Use the table of the equation C = 0.15t + 2.50 to estimate how long you
could rent a boat for $7.75.

PLEASE NEED HELP FAST

Answers

Answer 1

Answer:

I'm a little confused about the question but if it's asking what C= then If I'm correct it's 5.10 but FYI I have no idea if it's right so sorry if I got it wrong


Related Questions

If all the data points fall on the least-squares regression line in simple linear regression, which of the following is true? A. F-statistic = 0 B. MS(Regression Model) = 100% C. SS(Total) = 0 D. SS(Regression Model) = SS(Total) E. None of the above statements are true.

Answers

If all the data points fall on the least-squares regression line in simple linear regression this is indication of overfitting. The correct answer is E. None of the above statements are true.

In simple linear regression, if all the data points fall exactly on the least-squares regression line, it means that the regression model perfectly explains the relationship between the independent variable and the dependent variable. However, this scenario is highly unlikely in practice and is often an indication of overfitting.

Here's a breakdown of each statement:

A. F-statistic = 0: The F-statistic is used to test the overall significance of the regression model. If all data points fall on the regression line, it suggests a perfect fit, and the F-statistic would be large rather than zero.

B. MS(Regression Model) = 100%: MS stands for mean square, and this statement implies that all the variation in the dependent variable can be attributed to the regression model. However, in reality, there is typically some degree of error or residual variation that cannot be explained by the model.

C. SS(Total) = 0: SS stands for sum of squares, and SS(Total) represents the total sum of squares of the dependent variable. If all data points fall on the regression line, it would imply that there is no variation in the dependent variable, which is highly unlikely.

D. SS(Regression Model) = SS(Total): SS(Regression Model) represents the sum of squares explained by the regression model. If all data points fall on the regression line, it implies that the regression model perfectly explains all the variation in the dependent variable. However, in practice, there is typically some residual variation that cannot be explained by the model.

Therefore, none of the statements mentioned are true when all the data points fall on the least-squares regression line.

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FILL THE BLANK.
For a 2x2 contingency table, testing for independence with the chi-square test is the same as conducting a ____________ test comparing two proportions.

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The chi-square test for independence in a 2x2 contingency table is equivalent to comparing two proportions to determine if they are significantly different.

For a 2x2 contingency table, testing for independence with the chi-square test is the same as conducting a test comparing two proportions, specifically the two proportions of one variable (column) against the proportions of another variable (row).

1. Start with a 2x2 contingency table, which is a table that displays the counts or frequencies of two categorical variables. The table has two rows and two columns.

2. Calculate the marginal totals, which are the row and column totals. These represent the totals for each category of the variables.

3. Compute the expected frequencies under the assumption of independence. To do this, multiply the row total for each cell by the column total for the same cell, and divide by the total sample size.

4. Use the chi-square test statistic formula to calculate the chi-square value. This formula involves subtracting the expected frequency from the observed frequency for each cell, squaring the difference, dividing by the expected frequency, and summing up these values for all cells.

5. Determine the degrees of freedom for the chi-square test. In this case, it is (number of rows - 1) multiplied by (number of columns - 1), which is (2-1) x (2-1) = 1.

6. Compare the calculated chi-square value to the critical chi-square value from the chi-square distribution table at the desired significance level (e.g., 0.05).

7. If the calculated chi-square value is greater than the critical chi-square value, then the proportions of the two variables are significantly different, indicating dependence. If the calculated chi-square value is not greater, then the proportions are not significantly different, suggesting independence.

In summary, testing for independence with the chi-square test for a 2x2 contingency table is equivalent to conducting a test comparing two proportions, where the proportions represent the distribution of one variable against another.

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What is the area of rectangle ABCD? coordinate plane with rectangle ABCD at A 0 comma negative 1, B 0 comma 4, C 4 comma 4, and D 4 comma negative 1 16 square units 18 square units 20 square units 25 square units

Answers

Answer:B

Step-by-step explanation:

One year, the population of a city was 137,000. Several years later it was 117,820. Find the percent decrease

Answers

Population of a city have decreased by 14%

Percentage is a ratio of a number to the whole expressed as a fraction of 100.

It doesn't have dimension.

Percentage formula = (Value / total value) × 100

One year, the population of a city was = 137000

Several years later the population of city was = 117820

Difference in population during these years = previous population - later population

= 137000 - 117820

= 19,180

So , Population got decreased by 19,180 people

Percentage = \(\frac{19180}{137000}\) × 100

= 0.14 × 100

= 14%

Hence , The population got 14% decreased

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A manulacturer has a steady annual demand for 20,088 cases of sugar. It costs $9 to store 1 case for 1 year, $31 in setup cost to produce each batch, and $20 to produce each case. (a) Find the number of cases per batch that should be produced to minimize cost. (b) Find the number of batches of sugar that should be manufactured annually (a) The manufacturer should produce cases per batch. (b) The manufacturer should produce batches of sugar annuaily.

Answers

(a) The manufacturer should produce approximately 788 cases per batch.

(b) The manufacturer should produce 25 batches of sugar annually.

To find the number of cases per batch that should be produced to minimize cost, we need to consider the trade-off between setup costs and storage costs.

Let's denote the number of cases per batch as "x."

(a) To minimize cost, we need to find the optimal value of "x" that minimizes the total cost function.

The total cost consists of setup costs and storage costs.

Setup cost per batch = $31

Number of batches = Annual demand / Cases per batch = 20,088 / x

Setup costs for all batches = Setup cost per batch * Number of batches = $31 * (20,088 / x) = 620,328 / x

Storage cost per case = $9

Number of cases per year = Annual demand = 20,088

Storage costs for all cases = Storage cost per case * Number of cases per year = $9 * 20,088 = 180,792

Total cost = Setup costs + Storage costs = 620,328 / x + 180,792

To minimize the total cost, we can differentiate the total cost function with respect to "x" and set it equal to zero:

d(Total Cost)/dx = -620,328 / x^2 = 0

Solving for x, we find:

620,328 / x^2 = 0

x^2 = 620,328

x ≈ 788

Therefore, the manufacturer should produce approximately 788 cases per batch to minimize cost.

(b) The number of batches of sugar that should be manufactured annually can be calculated by dividing the annual demand by the number of cases per batch:

Number of batches = Annual demand / Cases per batch = 20,088 / 788 ≈ 25.48

Since the number of batches must be a whole number, the manufacturer should produce 25 batches of sugar annually.

In summary:

(a) The manufacturer should produce approximately 788 cases per batch.

(b) The manufacturer should produce 25 batches of sugar annually.

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mountains poem in nepali for class 7​

Answers

Step-by-step explanation:

म नजन्मिदै विधवा भएकी हिमाल

खै! किन हो मेरा यी हेर्ने नयनले उनलाइ

अझै पनि दिन र रातमा

सेतै लुगा पहिरिएकी देख्छ

अचम्म लाग्छ मलाइ पहिरिएकी सेतो लुगा माथि

मुनालले पाइला टेके पनि विष्ठा गरे पनि कहिल्यै

मैलो हुदैन सेतो लुगाको वास्तविक रङ

उत्तिकै सेतो देख्छु म

निर्जीव वस्तु भएनी हिमाललाइ

सजीव मनुस्यको जस्तै चोटको कल्पना गरेको छु मैले

किनकी चोटै चोटले ग्रसित भएकी उनी आजभोली

अपाङ्गको सिकार बनिसकेकी छिन

उनलाइ अन्धो भन्छु म किनकी उनी आँखा देख्दैनन

आँखा नदेखे पनि अरु कसैलाइ सुम्सुम्याउन समेत सक्दैनन

तर पनि कस्तुरी, डाफे,मुनाल,घोरल,चितुवा आदि जनावरहरुको

सहारा दिने आश्रय स्थल भएर उभिएकी छिन, के कम छिन र?

जमिन भित्र उनको खुट्टा गाडिएर होला

खुट्टाको दृश्य मैले अझै पनि देख्न पाएको छैन

कस्तो होला है! हिमालको खुट्टा ? सोचिरहन्छु म

सायद खुट्टा नै छैन र पो कहिल्यै पनि हिड्डुल गर्न सक्दैनन कि?

जब कुनै समयमा चुचुरोमा हावा बहन थाल्यो

एकदिन सेतो कपाल धरतीमा हाम फालेर

नदिहरु बढ्न थाले तर उहीँ बहेको हावाले

हिमालको श्रवण गर्ने कानको जाली

नै फुटाइदिएछ त्यही भएर म भन्छु

हिमाललाइ बहिरो पनि हुनुहुन्छ तपाईं

सधै टोलाएर बसेकी देख्छु म

रोजगारी भन्ने कुरा त उहीँ हो हिमाललाइ

बिहानीपख देखि सन्ध्या काल सम्म

प्रकृतिले बसिबसी ऐना टल्काउने

पदभार ग्रहण गराइदिएको छ जब घाम

झुल्किन्छ उनी अस्ताउन्जेल सम्म ऐना टल्काइरहन्छिन्

त्यसैले म भन्छु हिमाललाइ बिधवा भएर के भो त

खान लाउनको लागि रोजगारी मिलेकै छ क्यारे !

a researcher wishes to estimate the proportion of households that have broadband internet access. what size sample should be obtained if she wishes the estimate to be within 0.03 with 99% confidence if (a) she uses a 2009 estimate of 0.635 obtained from the national telecommunications and information administration? (b) she does not use any prior estimates

Answers

(a) The researcher should obtain a sample size of 1,068 households to estimate the proportion of households with broadband internet access within 0.03 with 99% confidence, assuming a prior estimate of 0.635 from 2009.

(b) If the researcher does not use any prior estimates, she can use a conservative estimate of 0.5 for the proportion of households with broadband internet access, as this value maximizes the sample size required for a given level of precision and confidence. With this assumption, the researcher should obtain a sample size of 1,068 households to estimate the proportion of households with broadband internet access within 0.03 with 99% confidence. It is important to note that if the true proportion is significantly different from 0.5, the required sample size may be higher or lower than this estimate. Additionally, the researcher should consider other factors such as the cost and feasibility of obtaining a sample of this size.

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this is the last one

this is the last one

Answers

Answer:        4?

Step-by-step explanation: Im sorry if this is wrong im not good at this

Each day, ted can wax 4 cars or wash 12 cars, and ishana can wax 3 cars or wash 6 cars. what is each person's opportunity cost of washing a car?

Answers

The opportunity cost of washing a car for Ted is 4 cars, and the opportunity cost of washing a car for Ishana is 3 cars.

To determine each person's opportunity cost of washing a car, we need to compare the alternative activity they would have to give up in order to wash a car.

For Ted:

Ted can wax 4 cars or wash 12 cars. So, the opportunity cost of washing a car for Ted is the number of cars he could have waxed instead. In this case, Ted would have to give up waxing 4 cars to wash a car.

For Ishana:

Ishana can wax 3 cars or wash 6 cars. So, the opportunity cost of washing a car for Ishana is the number of cars she could have waxed instead. In this case, Ishana would have to give up waxing 3 cars to wash a car.

Therefore, the opportunity cost of washing a car for Ted is 4 cars, and the opportunity cost of washing a car for Ishana is 3 cars.

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Look at the graph.

On a coordinate plane, a graph increases through (negative 1, 4), levels off at (0, negative 3), and then increases up through (2, 5).

Leslie analyzed the graph to determine if the function it represents is linear or non-linear. First she found three points on the graph to be (–1, –4), (0, -3), and (2, 5). Next, she determined the rate of change between the points (–1, –4) and (0, -3) to be StartFraction negative 3 minus (negative 4) Over 0 minus (negative 1) EndFraction = StartFraction 1 Over 1 EndFraction = 1. and the rate of change between the points (0, -3) and (2, 5) to be StartFraction 5 minus (negative 3) Over 2 minus 0 EndFraction = StartFraction 8 Over 2 EndFraction = 4. Finally, she concluded that since the rate of change is not constant, the function must be linear. Why is Leslie wrong?
The points (–1, –4), (0, –3), and (2, 5) are not all on the graph.
The expressions StartFraction negative 3 minus (negative 4) Over 0 minus (negative 1) EndFraction and StartFraction negative 3 minus (negative 5) Over 2 minus 0 EndFraction both equal 1.
She miscalculated the rates of change.
Her conclusion is wrong. If the rate of change is not constant, then the function cannot be linear.

Answers

Answerpizza:

Step-by-step explanation:

Let ABCDE be an equiangular convex pentagon of perimeter 1. The pairwise intersections of the lines that extend the sides of the pentagon determine a five-pointed star polygon. Let s be the perimeter of this star. What is the difference between the maximum and the minimum possible values of s?

Answers

The difference between the maximum and the minimum possible values of s of the star  polygons is zero

The five-point star can be considered as five triangles residing on the five sides of the pentagon, as the pentagon is equiangular, the measure of each angle will be  180(5-2)/5= 108. the base angles of the angles adjacent to the pentagon have measured 180-108=72,  the triangle is isosceles as the base angles are the same. Now considered one of the ideas of the pentagon to be  x₁ and x₂,x₃,x₄,x₅, according to trigonometry, the non-base sides of the triangle residing on the side of the pentagon have a measure of x₁/2 sec 72° and the other two sides will have x₁ sec 72.

now summing up all sides, we get:

(x₁ + x₂ +x₃+x₄+x₅) sec 72 = 1 sec 72° = sec 72°, here the perimeter  of the polygon is constant so the difference between the maximum and the minimum value will be zero

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ANSWER I ADDED EXTRA POINTS BUT ANSWER RIGHT AND EXPLAIN YOUR ANSWER!!!! 2 QUESTIONS...


24.) What is the equation in slope-intercept form of the line that passes through the point (2, -2) and is perpendicular to the line represented by y= 2/5x + 2 ?
A) y= 5/2x - 7
B) y= 5/2x + 7
C) y= -5/2x - 3
D) y= -5/2x + 3
25.) Suppose the linear cost function C(x) = 6x gives the cost for buying x items. If the items are sold in packages of 10, and no one can buy more than 5 packages, then the RANGE of the function C is
A) [0, 50]
B) [5, 10]
C) {0, 6, 12, 18, 24, 30}
D) {0, 60, 120, 180, 240, 300}

ANSWER I ADDED EXTRA POINTS BUT ANSWER RIGHT AND EXPLAIN YOUR ANSWER!!!! 2 QUESTIONS...24.) What is the

Answers

Answer:

24) D

25) D

Step-by-step explanation:

24) D

We want to find the equation of a line (in slope-intercept form) that passes through (2, -2) and is perpendicular to \(y=\frac{2}{5}x+2\).

First, let's find the slope of our new line.

Remember that perpendicular slopes are negative reciprocals of each other.

Therefore, to find the slope of our new line, we will flip our old slope and add a negative.

Therefore, the slope of our new line is -5/2.

Now, we can use the point-slope form:

\(y-y_1=m(x-x_1)\)

Where m is the slope and (x₁, y₁) is a point.

So, let's substitute -5/2 for our slope and (2, -2) for our point (x₁, y₁). This yields:

\(y-(-2)=-\frac{5}{2}(x-2)\)

Simplify:

\(y+2=-\frac{5}{2}(x-2)\)

Let's convert this to slope-intercept form. Distribute the right:

\(y+2=-\frac{5}{2}x+5\)

Subtract 2 from both sides. So, our equation is:

\(y=-\frac{5}{2}x+3\)

Our answer is D.

25)

We know that the cost for buying x items is given by the function:

\(C(x)=6x\)

We also know that the items are sold in packages of 10 only. And no one can buy more than 5 packages. In other words, we can buy 0, 1, 2, 3, 4, or 5 packages.

So, let's see how much it will be if we buy 0 packages. This will just be:

\(C(0)=6(0)=\$0\)

If we buy 1 package, there will be 10 items in them. So:

\(C(10)=6(10)=\$60\)

If we do this for 2 packages (20 items), 3 packages (30 items), and so on, we will get:

\(C(20)=6(20)=\$120\\C(30)=6(30)=\$180\\C(40)=6(40)=\$240\\C(50)=6(50)=\$300\)

So, our range is:

\(\{0, 60, 120, 180, 240, 300\}\)

The correct answer is D.

And we're done!

another advantage of using anova is that it ________ so the significant differences can be located and interpreted easily.

Answers

Another advantage of using Anova is that it arranges the means so the significant differences can be located and interpreted easily.

The ANOVA test is a type of statistical test used to determine whether there is a statistically significant difference between two or more categorical groups by testing mean differences using variance.

Another important part of the ANOVA is the splitting of the independent variables into two or more groups.

The assumptions for the ANOVA test are the same as those for general parametric tests.

ANOVA can only be performed if there is no relationship between subjects in each sample. Sample size for different groups/levels must be the same.ANOVA can only be performed if the dependent variable is normally distributed.the population variances of must be equal (that is, homoscedasticity). Homogeneity of variance means that the variability of results is similar across populations.

Advantages of ANOVA:

The z-test can only be used to compare two population means, whereas the ANOVA test can be used to compare three or more population means.When there are two different treatments/factors affecting the dependent variable, the Two Way ANOVA test can be used to analyze the effect of each treatment.

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1 3/4 sides inches of the area is 42 long and 29 3/4 inches high how many tiles will he need

Answers

Answer:

First you should find the area of wall he's tiling. You can do it by multiplying its length and height.

After that, the area of one tile.

And now remains only to divide area of the wall by area of one tile and that will give us the answer.

Step-by-step explanation:

PLEASE HELP YA GIRL OUT ILL GIVE U BRAINLIST

PLEASE HELP YA GIRL OUT ILL GIVE U BRAINLIST

Answers

I don’t know but you should give me brainlist because it sounds cool

Answer:

12.75feet (12¾)

Step-by-step explanation:

7t+1+5t+8=162feet

12t+9=162feet

12t=162-9

=153

t = 153÷9

=12.75feet (12¾feet)

a. Find 5

n=0

(9(2) n)−7(−3) n)
b. Given the following premises are p→q,¬p→r, and r→s. Prove that ¬q→s
c. Show that ¬(p∨¬q) and q∧¬p are equivalent by:

Answers

By using the same logic and identity, we can also say that ¬(p∨¬q) is equivalent to q∧¬p.

a. To find the given series i.e.,  5∑n=0(9(2)n)−7(−3)nTo find 5∑n=0(9(2)n)−7(−3)n,

we need to find the first five terms of the series. The given series is,

5∑n=0(9(2)n)−7(−3)n5[(9(2)0)−7(−3)0] + [(9(2)1)−7(−3)1] + [(9(2)2)−7(−3)2] + [(9(2)3)−7(−3)3] + [(9(2)4)−7(−3)4]

After evaluating, we get:

5[(9*1) - 7*1] + [(9*2) - 7*(-3)] + [(9*4) - 7*9] + [(9*8) - 7*(-27)] + [(9*16) - 7*81]15 + 57 + 263 + 1089 + 4131= 5555b.

Given premises: p → q, ¬p → r, r → s.

We are to prove that ¬q → s. i.e.,

Premises: (p → q), (¬p → r), (r → s)

Conclusion: ¬q → s

To prove ¬q → s,

we need to assume ¬q and show that s follows.

Then we use the premises to derive s.

Proof:

1. ¬q        Assumption

2. ¬(¬q)    Double negation

3. p         Modus tollens 2,1 & p → q

4. ¬¬p      Double negation

5. ¬p        Modus ponens 4,3 (Conditional elimination)

6. r         Modus ponens 5,2 (Conditional elimination)

7. s         Modus ponens 6,3 (Conditional elimination)

8. ¬q → s     Conditional introduction (Implication)

Thus, ¬q → s is proven.

c. To show that ¬(p∨¬q) and q∧¬p are equivalent, we need to show that their negation is equivalent. i.e.,

we show that (p ∨ ¬q) ↔ ¬(q ∧ ¬p)Negation of (p ∨ ¬q) = ¬p ∧ q Negation of (q ∧ ¬p) = ¬q ∨ p

Thus, we are to show that (p ∨ ¬q) ↔ ¬(q ∧ ¬p) is equivalent to ¬p ∧ q ↔ ¬q ∨ p

Proof:

¬(q ∧ ¬p)  ≡  ¬q ∨ p       Negation of (q ∧ ¬p)(p ∨ ¬q)   ≡  ¬(q ∧ ¬p)  

De Morgan's laws ∴ (p ∨ ¬q) ≡ ¬q ∨ p

By using the same logic and identity, we can also say that ¬(p∨¬q) is equivalent to q∧¬p.

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a. The formula given is, ∑n=0(9(2)n)−7(−3)n. Let’s find out the first five terms of the given formula as follows:

First term at n = \(0:9(2)^0-7(-3)^0= 9 + 7= 16\)

Second term at n = \(1:9(2)^1-7(-3)^1= 18 + 21= 39\)

Third term at n = \(2:9(2)^2-7(-3)^2= 36 + 63= 99\)

Fourth term at n = \(3:9(2)^3-7(-3)^3= 72 + 189= 261\)

Fifth term at n = \(4:9(2)^4-7(-3)^4= 144 + 567= 711\)

Therefore, the first five terms of the given formula are: 16, 39, 99, 261, 711.

b. To prove that ¬q→s from p→q, ¬p→r, and r→s,

we need to use the law of contrapositive for p→q as follows:

¬q→¬p       (Contrapositive of p→q)¬p→r         (Given)

∴ ¬q→r        (Using transitivity of implication) r→s           (Given)

∴ ¬q→s        (Using transitivity of implication)

Therefore, ¬q→s is proved.

c. To show that ¬(p∨¬q) and q∧¬p are equivalent,

we need to use the De Morgan’s laws as follows:

¬(p∨¬q) ≡ ¬p∧q     (Using De Morgan’s law)      

≡ q∧¬p     (Commutative property of ∧)

Therefore, ¬(p∨¬q) and q∧¬p are equivalent.

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Explain why the vertical line does not represent a linear function.
y
5
G C
1
2 2
4 5 r
The vertical line has
for the input I
> EMERGENCY ​

Explain why the vertical line does not represent a linear function.y5G C12 24 5 rThe vertical line hasfor

Answers

Answer:

Its my first answer but may i have a brainlist please im new

Step-by-step explanation:

Explain why the vertical line does not represent a linear function.y5G C12 24 5 rThe vertical line hasfor

1.what is the measure in degrees of angle x.

2.what is the measure in degrees of angle y
Show your work

1.what is the measure in degrees of angle x. 2.what is the measure in degrees of angle y Show your work

Answers

Solution :-

1. Here,

\( \sf \longrightarrow x + 45^\circ = 180^\circ \) ( Linear pair of angles measure upto 180° )

Thus,

\( \sf \longrightarrow x + 45^\circ = 180^\circ \\ \\ \\ \sf \longrightarrow x = 180^\circ - 45^\circ \\ \\ \\ \sf \longrightarrow \underline{ \boxed{ \frak{ \blue{ x = 135^\circ }}}} \: \star \: \: \: \: \: \: \: \\ \\ \)

Now, for y,

\( \sf \longrightarrow \underline{ \boxed{ \sf{ \orange{y = 45^\circ}}}} \: \star \) ( Vertically Opposite Angles)

\( \underline{\rule{230pt}{2pt}} \)

Consider the triangle with vertices (-7, -2), (-2, -5) , and (2, 3). What is the approximate perimeter of the triangle?

Answers

The perimeter of the triangle is 23.623 units.

What is perimeter of triangle?

Finding the distance around a triangle entails determining its perimeter. The distance formula can be used to calculate the side lengths if you don't already know all of them. The simplest way to find a triangle's perimeter is to add up all of its sides' lengths.

The distance between two points (x1,y1) and (x2,y2) can be determined using the following formula: √(x₂-x₁)² + (y₂ - y₁)²

Let the given vertices are (-7, -2), (-2, -5) , and (2, 3).

Distance formula for two points is = √(x₂-x₁)² + (y₂ - y₁)²

Using the formula,

AB = √((-2)-(-7))² +((-5)-(-2))²

= √(-2+7)² + (-5+2)²

= √5² + (-3)²

= √25 + 9

= √31

Similarly, BC = √(2 - (-2))² + (3-(-5))²

= √(2+2)² + (3+5)²

= √4² + 8²

= √16+64

= √80

CA = √((-7)-2)² + (-2 + 3)²

= √(-9²) + 1

= √81+1

=√82

Perimeter of triangle = AB + BC + CA

= √31 +√81 +√82

= 5.5677 + 9 + 9.0553

= 23.623

Therefore, the perimeter of the triangle is 23.623 units.

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please help due in 20 minutes

please help due in 20 minutes

Answers

Answer:

See explanation

Step-by-step explanation:

3: 32 cups......there is 16 cups per gallon

4: 3,500 grams

5: 1.75 grams

6: 3.5 feet....there is 12 inches in a foot so 42/12 = 3.5

7: To convert a smaller measurement to a bigger one you multiply, to convert a bigger measurement to a smaller one you divide.  

Answer:  

3) 32 Cups,

4) 3500 grams

5) 1.75 grams

6) 3.5 feet

7) You can convert units easily and accurately with one simple rule: just multiply the old measurement by a carefully chosen form of the number 1.

WILL GIVE BRAINLIEST

WILL GIVE BRAINLIEST

Answers

Answer:

A) 8 cm

Step-by-step explanation:

Cylinder Volume formula:

V = πr²h

72π = π3²h

72π = 9πh

h = (72π)/(9π)

h = 8

If μ ( ∠ 2) = 98°, find the following angle measures. (Type your answers as numbers with no units, in the corresponding blanks.)

If ( 2) = 98, find the following angle measures. (Type your answers as numbers with no units, in the

Answers

The angle measures for this problem are given as follows:

<1 = <3 = 82º.<2 = <4 = 98º.

What are vertical angles?

Vertical angles are angles that are opposite by the same vertex on crossing segments, hence they share a common vertex, thus being congruent, meaning that they end up having the same angle measure.

The vertical angles for this problem are given as follows:

1 and 3.<2 = <4 = 98º.

The consecutive angles are also supplementary, meaning that the sum of their measures is of 180º, hence the measures of angles 1 and 3 are given as follows:

<1 = <3 = 180 - 98

<1 = <3 = 82º.

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Below is the least squares regression output for tree #2. Simple linear regression results: Dependent Variable: leaf water potential Independent Variable: sap flow velocity leaf water potential 0.345-0.0552 sap flow velocity Sample size: 6 R-sq 0.99115489 Find the value of the correlation coefficient based off of R-Square.

Answers

The value of the correlation coefficient based on the provided R-squared is approximately 0.995562, indicating a strong positive linear relationship between leaf water potential and sap flow velocity for tree #2.

The correlation coefficient, denoted as "r," is a measure of the strength and direction of the linear relationship between two variables.

It ranges between -1 and 1, where -1 indicates a perfect negative correlation, 1 indicates a perfect positive correlation, and 0 indicates no correlation.

In the given least squares regression output, the value of R-squared (R-sq) is provided as 0.99115489.

R-squared represents the proportion of the total variation in the dependent variable that can be explained by the independent variable(s).

It is calculated as the squared value of the correlation coefficient (r).

To find the value of the correlation coefficient based on R-squared, we take the square root of R-squared:

r = √(R-sq)

Using the given value of R-squared (0.99115489), we can calculate the correlation coefficient:

r = √(0.99115489) ≈ 0.995562

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let x(t) = cos(75t). if we sample x(t) at the nyquist frequency, what is the resulting discrete frequency

Answers

If we sample the function x(t) = cos(75t) at the Nyquist frequency, the resulting discrete frequency would be half of the Nyquist frequency, which is equal to half of the highest frequency component in the continuous signal.

In this case, the highest frequency component in x(t) is 75 Hz, as determined by the coefficient of t in the cosine function. According to the Nyquist-Shannon sampling theorem, to accurately represent a signal, the sampling frequency must be at least twice the highest frequency component. Therefore, the Nyquist frequency in this scenario would be 2 * 75 Hz = 150 Hz.

Since we are sampling at the Nyquist frequency, the resulting discrete frequency would be half of the Nyquist frequency, which is 150 Hz / 2 = 75 Hz. Hence, when sampling x(t) at the Nyquist frequency, the resulting discrete frequency would be 75 Hz.

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Question 7: Find the value of x.
Help

Question 7: Find the value of x.Help

Answers

Answer:

x+50°=180°{alternate enterior angle}

x=180-50

x=130°

hope it helps ....

a graphing calculator costs $85. the sales tax on the calculator is 8% . what is the total cost of the calculator

Answers

Answer:

The calculator costs $91.80 in total.

Step-by-step explanation:

85*8% = 6.80

85+6.80 = 91.80

What is the equation of this trend line? Please help ASAP!​

What is the equation of this trend line? Please help ASAP!

Answers

8+2x is the answer to to this thanks so much

Answer:8+2x

Step-by-step explanation:

Which of the following is a discrete random variable?
Select one:
a. the number of patients in a hospital
b. the average amount of electricity consumed
c. the amount of paint used in repainting in a building
d. the average weight of female athletes

Answers

Among the given options, the only variable that is a discrete random variable is a) the number of patients in a hospital.

a. the number of patients in a hospital

A discrete random variable is a variable that can only take on a finite or countably infinite set of distinct values. In this case, the number of patients in a hospital can only be whole numbers (e.g., 0, 1, 2, 3, etc.), which is a countable set of values. Therefore, it is a discrete random variable.

b. the average amount of electricity consumed

The average amount of electricity consumed is not a discrete random variable but a continuous random variable. It can take on any real number value within a certain range, and it is not restricted to specific distinct values.

c. the amount of paint used in repainting a building

The amount of paint used in repainting a building can be measured in continuous quantities (e.g., liters or gallons). It is not restricted to specific distinct values, and therefore, it is not a discrete random variable.

d. the average weight of female athletes

Similar to the average amount of electricity consumed, the average weight of female athletes is not a discrete random variable but a continuous random variable. It can take on any real number value within a certain range and is not restricted to specific distinct values.

Among the given options, the only variable that is a discrete random variable is a) the number of patients in a hospital.

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an electrician completes 1/6 of a job in 2/3 hour. at this rate, how long does it take the electrician to complete the job?


PLEASE HELP!!!! IM GONNA GET IN TROUBLE

Answers

Answer:

4 hours.

Step-by-step explanation:

2/3 * 6

= 12/3

= 4 hours.

Answer:

4

Step-by-step explanation:

1/6 x 2/3(flip 1/6 to 6/1 so its easier to calculate; they mean the same thing)6/1 x 2/3 = 12/33 x 12 = 4

Hope this helps <3

try to stay out of trouble lol

Find the value of x. Round to the nearest tenth

Find the value of x. Round to the nearest tenth

Answers

Answer:

36.869 or 36.87

Step-by-step explanation:

first, you find which trig function you are using. in this case, tangent.

then, you put calculate the arctan(3/4) which is 36.96989765

The measure of angle x = 36.9°

What is right triangle?

"It is a triangle in which one of the angle measures 90° "

What is hypotenuse?

"It is the longest side of the right triangle."

What is Pythagoras theorem?

"In a right triangle \(a^{2}+ b^{2}= c^{2}\) where c is the hypotenuse and a, b are other two sides of the right triangle."

What is sine angle?

"In a right triangle, sine of angle \(\theta\) is the ratio of the opposite side of angle \(\theta\) to the hypotenuse."

For given question

First we find the hypotenuse of the right triangle.

Let 'h' be the hypotenuse of the right triangle.

Using Pythagoras theorem,

\(h^{2} =3^{2} +4^{2} \\\\h^{2} =9+16\\\\h^{2} =25\\\\h=5\)

We find the sine of angle 'x'

\(\Rightarrow sin(x)=\frac{opposite~side~of~x}{hypotenuses} \\\\\Rightarrow sin(x)=\frac{3}{5}\\\\ \Rightarrow sin(x)=0.6\\\\\Rightarrow x=sin^{-1}(0.6)\\\\\Rightarrow x=36.9^{\circ}\)

Therefore, x = 36.9°

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