If the average or mean slope of the function on this intervalle S(4) - [(-6) 4-(-6) , the point c is approximately 3.4.
The average slope of a function f(x) over an interval [a, b] is given by the formula:
average slope = (f(b) - f(a)) / (b - a)
Using this formula, we can find the average slope of f(x) = 3 - 5x on the interval (-6,4):
average slope = (f(4) - f(-6)) / (4 - (-6))
average slope = (3 - 5(4) - [3 - 5(-6)]) / 10
average slope = -2/5
Now, using the Mean Value Theorem, we know that there exists a point c in the open interval (-6, 4) such that f'(c) is equal to this mean slope. We can find this point by setting the derivative of f(x) equal to the mean slope:
f'(x) = -5
-5 = -2/5
x = 3.4
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If the surface area of a sphere is 144pi square centimeters, what is the length of the radius of the sphere, in centimeters
Answer:
6cm
Step-by-step explanation:
The formula for the surface area of a sphere = 4πr²
From the Question, we are given:
The surface area of a sphere = 144pi square centimeters = 144π cm²
The length of the radius of the sphere, in centimeters is calculated by:
4πr² = 144π
Divide both sides by 4π
4πr²/4π = 144π/4π
r² = 36
Square root both sides
√r² = √36
r = 6cm
Therefore, the length of the radius of the sphere, in centimeters is 6 centimeters.
The purple shape is a dilation of the black shape. What is the scale factor of the dilation?
Answer:
4
Step-by-step explanation:
Guys can you please help me with this??
Thanks to whoever helps me
Answer:
188.5\(cm^2\)
Step-by-step explanation:
The surface area of a cylinder can be found using the equation: \(A=2\pi rh+2\pi r2\).
When we plug in to this equation we get \(2\pi (3)(7) + 2\pi(3^2)\) which equals 188.4955 which can be rounded up to 188.5\(cm^2\)
Let m=x^2-5m=x 2 −5m, equals, x, squared, minus, 5. Which equation is equivalent to (x^2-5)^2-3x^2+15=-2(x 2 −5) 2 −3x 2 +15=−2left parenthesis, x, squared, minus, 5, right parenthesis, squared, minus, 3, x, squared, plus, 15, equals, minus, 2 in terms of m ?
Answer:
\(m^2-3m=-2\)\(m^2-3m+2=0\)Step-by-step explanation:
Let \(m=x^2-5\)
We want to express the equation \((x^2-5)^2-3x^2+15=-2\) in terms of m.
Given: \((x^2-5)^2-3x^2+15=-2\)
Factorizing the third and fourth term, we obtain:
\((x^2-5)^2-3(x^2-5)=-2\)
Substituting \(m=x^2-5\), the above equation becomes:
\(m^2-3m=-2\)
Since the options are not given, the equivalent equation is:
\(m^2-3m=-2\)
It could also be written in a rearranged form as:
\(m^2-3m+2=0\)
The sum of two integers is −47. The greater number minus the lesser number is 9.
Of the two numbers, which is less?
Answer:
I don't think this question is phrased correctly. The lesser number is the lesser number... I think this is asking you to find each of the numbers, so I will do that.
Greater number: -19
Lesser number: -28
Step-by-step explanation:
If the greater number minus the lesser number is 9, the greater number is 9 more than the lesser number. I'll use algebra to solve this problem.
Lets set the lesser number as the variable x.
lesser number = x
Because the greater number is 9 more than the lesser number, the greater number is:
x+9
2x+9 = -47
Subtract 9 on both sides to isolate the variable.
2x + 9 - 9 = -47 - 9
2x = -56
x = -28
Because the greater number is 9 greater than the lesser number, add 9 to x to get the greater number.
-28 + 9 = -19
the sizes of the angles in degrees of the quadrilateral are
x+10
2x
x+30
x+80
a) use this information to write down and equation in terms of x
b) use your answer to part a to work out the size of the smallest angle of the quadrilateral
Answer:
5x+120
Step-by-step explanation:
first you add the 2x x and x and x that would get you 5x and then add the 20 and 10 and 80 that would get you 120
Help pls!! What is the segment of AC?
Answer:
It's an angle bisector
Step-by-step explanation:
It is between 2 congruent angles therefore bisects those angles
the population of a slowly growing bacterial colony after hours is given by . find the growth rate after 3 hours.
The growth rate of the bacterial colony after 3 hours is 32%, the population of a slowly growing bacterial colony after t hours is given by the function p(t) = 100 + 24t + 2t²
The growth rate of the colony is the rate of change of the population, which is given by the derivative of the function. The derivative of p(t) is p'(t) = 24 + 4t
The growth rate after 3 hours is p'(3) = 24 + 4 * 3 = 32. This means that the population of the colony is increasing by 32% after 3 hours.
The derivative of a function gives the rate of change of the function.The growth rate of a population is the rate of change of the population.The growth rate of a bacterial colony can be calculated by differentiating the function that represents the population of the colony.To know more about derivative click here
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The area of a rectangle is 91 square inches. If the length of the rectangle is 1 less than twice its width, write an equation that could be used to find the width, w, of the rectangle.
The quadratic equation to find the width of the rectangle by formulating the area and length value is 2w² - w - 91 = 0.
What is area?
An object's area is how much space it takes up in two dimensions. It is the measurement of the quantity of unit squares that completely cover the surface of a closed figure.
The value for the area of the rectangle is given as = 91 in²
Let the width for the rectangle be = w
Then the length of the rectangle is 1 less than twice its width, l = (2w - 1)
The formula for the area of the rectangle is -
Area = length × width
Substitute the values to get the equation for width -
91 = (2w - 1) × w
Use the arithmetic operation of multiplication -
91 = w(2w - 1)
91 = 2w² - w
Rearrange in quadratic form -
2w² - w - 91 = 0
Therefore, the equation is obtained as 2w² - w - 91 = 0.
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lena is going to rent a truck for one day. there are two companies she can choose from, and they have the following prices. company a charges and allows unlimited mileage. company b has an initial fee of and charges an additional for every mile driven. for what mileages will company a charge less than company b? use for the number of miles driven, and solve your inequality for .
Therefore, company A will charge less than company B for any mileage greater than 65 miles.
To help you with your question, I need the specific prices for both companies, as well as any additional information you can provide about the charges.
To solve for the mileages at which company A will charge less than company B, we can set up the following inequality:
A < B
where A is the cost of renting from company A and B is the cost of renting from company B. We can plug in the given information to get:
x ≤ A
x > B = y + 40z
where x is the number of miles driven, y is the initial fee for company B, and z is the additional cost per mile for company B.
Now we can substitute the given values to get:
x ≤ A
x > y + 40z
For company A, the cost is a flat rate with unlimited mileage, so A is just the cost listed for one day of rental. Let's say that cost is $100.
For company B, the initial fee is $50 and the additional cost per mile is $0.25. So:
y = 50
z = 0.25
Now we can plug in these values and solve for x:
x ≤ 100
x > 50 + 40(0.25)
x > 65
Therefore, company A will charge less than company B for any mileage greater than 65 miles.
To help you with your question, I need the specific prices for both companies, as well as any additional information you can provide about the charges.
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-0.2(-67+22)=2(7n 3)-8n =?
NEED HELP ASAP Which is an equivalent expression for (52 • 34)3?
15 18
56 • 312
52 • 312
55 • 37
The expression that is equivalent to the expression given as (52 • 34)3 is 5^4 • 3^12
How to determine the equivalent expression?The expression is given as:
(52 • 34)3
Rewrite properly as:
(5^2 • 3^4)^3
Expand the expression
(5^2)^2 • (3^4)^3
Evaluate the products of the exponents
(5^4) • (3^12)
Remove the brackets
5^4 • 3^12
Hence, the expression that is equivalent to the expression given as (52 • 34)3 is 5^4 • 3^12
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Answer:
its 5^6 x 3^12
List all the ordered arrangements of 5 objects a, b, c, d, and e.
a. Choosing 2 at a time without repetition, but order counts.
b. Choosing 2 at a time without repetition, but order doesn't count.
c. Choosing 2 at a time with repetition. How many possible arrangements?
There are 5 * 5 = 25 possible arrangements. Some examples include aa, bb, cc, dd, ee, ab, ac, ad, ae, ba, bb, bc, bd, be, and so on.
a. Choosing 2 objects at a time without repetition and with order counting: The ordered arrangements of 5 objects (a, b, c, d, e) taken 2 at a time without repetition and with order counting are: ab, ac, ad, ae,
ba, bc, bd, be,
ca, cb, cd, ce,
da, db, dc, de,
ea, eb, ec, ed.
b. Choosing 2 objects at a time without repetition and without order counting: The unordered arrangements of 5 objects (a, b, c, d, e) taken 2 at a time without repetition and without order counting are: ab, ac, ad, ae,
bc, bd, be,
cd, ce,
de.
c.Choosing 2 objects at a time with repetition: In this case, we can choose any of the 5 objects for the first position, and any of the 5 objects (including repetition) for the second position.
Therefore, there are 5 * 5 = 25 possible arrangements. Some examples include aa, bb, cc, dd, ee, ab, ac, ad, ae, ba, bb, bc, bd, be, and so on.
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Use the drawing tool(s) to form the correct answer on the provided number line. Will brought a 144-ounce cooler filled with water to soccer practice. He used 16 ounces from the cooler to fill his water bottle. He then took out 16 plastic cups for his teammates and put the same amount of water in each cup. Find and graph the number of ounces of water, x, that Will could have put in each cup.
According to the information, we can infer that the number of ounces of water, x, that Will could have put in each cup is 8 ounces.
What is the number of ounces of water "x" that Will could have put in each cup?Will initially had a cooler filled with 144 ounces of water. After using 16 ounces to fill his water bottle, there were 144 - 16 = 128 ounces of water remaining in the cooler.
Will then took out 16 plastic cups for his teammates. Since the same amount of water was put in each cup, the remaining amount of water, 128 ounces, needs to be divided equally among the cups.
Dividing 128 ounces by 16 cups gives us 8 ounces of water for each cup.
So, Will could have put 8 ounces of water in each cup.
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Go Tennis is a tennis club for kids to come and learn more about the fundamentals of tennis. The first year it was open, it had 20 kids join. If 15 kids join each year, write an equation that represents how many kids will be enrolled in x years.
Answer:
20+15x
Step-by-step explanation:
because we start with 20 and every year 15 kids join we multiply 15 by x years with 20 kids so we get 20+15x
Laura’s credit card has an APR of 12. 04%, and it computes finance charges using the daily balance method and a 30-day billing cycle. On June 1st, Laura had a balance of $606. 40. She made exactly one transaction in June: a payment of $55. 25. If Laura’s finance charge for June was $5. 71, on which day did she make the payment? a. June 8th b. June 12th c. June 15th d. June 20th.
=====================================================
Explanation:
Laura starts off with a balance of $606.40
This balance is in effect for x days, where x is some positive whole number between 1 and 30.
For the remaining 30-x days, her balance is 606.40-55.25 = 551.15 dollars after making the payment of $55.25
Here's a table to keep track of everything so far
\(\begin{array}{|c|c|c|} \cline{1-3}& A & B\\ \cline{1-3}\text{Interval} & \text{Num Days} & \text{Balance}\\ \cline{1-3}\text{June 1st to June x} & x & 606.40\\ \cline{1-3}\text{June x+1 to June 30th} & 30-x & 551.15\\ \cline{1-3}\end{array}\)
where "Num Days" is shorthand for "number of days".
What we do is multiply the A and B column to form column C like this
\(\begin{array}{|c|c|c|c|} \cline{1-4}& A & B & C\\ \cline{1-4}\text{Interval} & \text{Num Days} & \text{Balance} & \text{A*B}\\ \cline{1-4}\text{June 1st to June x} & x & 606.40 & 606.40x\\ \cline{1-4}\text{June x+1 to June 30th} & 30-x & 551.15 & 551.15(30-x)\\ \cline{1-4}\end{array}\)
Add up the stuff in column C
606.40x+551.15(30-x)
Then divide by 30 to compute the average daily balance
\(\frac{606.40x+551.15(30-x)}{30}\)
That average daily balance is plugged into this formula
\(\text{F} = \frac{\text{ADB}*\text{APR}*\text{n}}{365}\)
where
F = finance chargeADB = average daily balanceAPR = annual percentage raten = number of days in the billing cycleWe are given the following
F = 5.71APR = 0.1204n = 30Plug in \(\text{ADB} = \frac{606.40x+515.15(30-x)}{30}\) and solve for x
So,
\(\text{F} = \frac{\text{ADB}*\text{APR}*\text{n}}{365}\\\\5.71 = \frac{\frac{606.40x+551.15(30-x)}{30}*0.1204*30}{365}\\\\5.71 = \frac{(606.40x+551.15(30-x))*0.1204}{365}\\\\5.71*365 = (606.40x+551.15(30-x))*0.1204\\\\2,084.15 = 606.40*0.1204x+551.15*0.1204(30-x)\\\\2,084.15 = 73.01056x+66.35846(30-x)\\\\\)
\(2,084.15 = 73.01056x+1,990.7538-66.35846x\\\\2,084.15 = 6.6521x+1,990.7538\\\\2,084.15-1,990.7538 = 6.6521x\\\\93.3962 = 6.6521x\\\\6.6521x = 93.3962\\\\x = 93.3962/6.6521\\\\x = 14.0401076351829\\\\\)
That value is approximate.
When rounding to the nearest whole number, we get x = 14.
Therefore, from June 1st to June 14th, Laura has a balance of $606.40
From June 15th to June 30th, she has a balance of $551.15
The payment was made on June 15th--------------------------
Checking the answer:
Here's the updated table with x replaced with 14. So x+1 = 14+1 = 15
\(\begin{array}{|c|c|c|c|} \cline{1-4}& \text{A} & \text{B} & \text{C}\\ \cline{1-4}\text{Interval} & \text{Num Days} & \text{Balance} & \text{A*B}\\ \cline{1-4}\text{June 1st to June 14th} & 14 & 606.40 & 8489.60\\ \cline{1-4}\text{June 15th to June 30th} & 16 & 551.15 & 8818.40\\ \cline{1-4}\end{array}\)
Adding everything in column C gets us
8489.60+8818.40 = 17,308
Divide that over 30 days
(17,308)/30 = 576.93
Her average daily balance for the month of June is $576.93
Plug that into the formula mentioned to get the finance charge.
\(\text{F} = \frac{\text{ADB}*\text{APR}*\text{n}}{365}\\\\\text{F} = \frac{576.93*0.1204*30}{365}\\\\\text{F} = \frac{2,083.87116}{365}\\\\\text{F} = 5.7092\\\\\text{F} = 5.71\)
We get the correct finance charge of $5.71, so the answer has been confirmed.
Answer:
✅ C. June 15thi got it right on test⬇️
What type of graph can show positive correlation, negative correlation, or no correlation?
Answer:
A scatter plot can show a positive relationship, a negative relationship, or no relationship. If the points on the scatter plot seem to form a line that slants up from left to right, there is a positive relationship or positive correlation between the variables.
Someone help please.
Answer:
\(\dfrac{ 450 \sin ( 140 ) }{ \sin ( 28 ) }\)
= 616.127679049
"B"
Step-by-step explanation:
7. In a bay the time between high tide and low tide is approximately 6 hours. The first low tide is at 7 a.m. followed by a hide tide at 1 p.m. The depth of the water in the bay at low tide is 5 fathoms which rises to 9 fathoms at high tide. a) Sketch a graph of the depth of the water in the bay over time. Start your graph at 7 a.m. and graph at least on complete cycle. b) Write a function equation for your curve. Let t represent the number of hours after 7 a.m. c) How deep will the water be at 11 a.m?
THIS IS MS NEISES PLEASE SEE ME AFTER CLASS
THIS IS MS NEISES I AM REALLY MS NEISES
What is the slope of the line that passes through the points:
(6,-4), (15,-4)
Answer:
The slope is 0
Line is y= -4
Step-by-step explanation:
high school students were asked if they volunteered in their community at least once per month. the results are shown. volunteers does not volunteer total 9th 25 120 145 10th 82 54 136 11th 110 57 167 12th 89 63 152 total 306 294 600 15. what is the probability that a student chosen at random is in 11th grade or volunteers?
The probability that a high school student chosen at random is in 11th grade or volunteers is 0.61 or 61%. This was obtained by adding the probabilities of being in 11th grade and volunteering and subtracting the probability of being both.
To find the probability that a student chosen at random is in 11th grade or volunteers, we need to add the probabilities of the two events.
The number of students who volunteered is 306, and the total number of students is 600, so the probability of a student chosen at random volunteering is
P(volunteer) = 306/600 = 0.51
The number of students in 11th grade is 167, and the total number of students is 600, so the probability of a student chosen at random being in 11th grade is
P(11th grade) = 167/600 = 0.28
To find the probability that a student chosen at random is in 11th grade or volunteers, we add these probabilities
P(11th grade or volunteer) = P(11th grade) + P(volunteer) - P(11th grade and volunteer)
We need to subtract the probability of a student being both in 11th grade and volunteering because we have already counted them once in each of the probabilities above. From the table, we can see that the number of students who are in 11th grade and volunteered is 110, so
P(11th grade and volunteer) = 110/600 = 0.18
Substituting the values, we get
P(11th grade or volunteer) = 0.28 + 0.51 - 0.18 = 0.61
Therefore, the probability that a student chosen at random is in 11th grade or volunteers is 0.61 or 61%.
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How many more kilometres is it between two places that are one hundred miles apart than between to places that are one hundred kilometres apart?
Step-by-step explanation:
Conversion between Miles and Kilometer:
1 mile = 1.609km.
100 miles = 1.609km * 100 = 160.9km,
160.9km - 100km = 60.9km.
Hence the 2 places that are 100 miles apart is 60.9km further away than the places that are 100km apart.
A group of people were asked how many TVs they each have at home. Their responses are given below. Copy the table and record the responses in the tally column. What frequencies should replace A, B, C and D? Responses 1 0 2 2 1 1 0 0 2 1 3 1 1 Number of TVs 0 1 2 3 Tally Frequency A B с D
The frequencies for this problem are given as follows:
A = 3/13.B = 6/13.C = 3/13.D = 1/13.How to obtain the frequencies?The total number of people in this problem is given as follows:
13.
Out of 13 people, 3 have zero TV's, hence the frequency A is given as follows:
A = 3/13.
Out of 13 people, 6 have one TV, hence the frequency B is given as follows:
B = 6/13.
Out of 13 people, 3 have two TV's, hence the frequency C is given as follows:
C = 3/13.
Out of 13 people, 1 have three TV's, hence the frequency D is given as follows:
D = 1/13.
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Sue has 20 biscuits There are: 12 plain biscuits 5 chocolate biscuits 3 currant biscuits Sue takes two random biscuits Work out the probability that the two biscuits were not the same type
Answer:
58.43%
Step-by-step explanation:
The first thing we must do is calculate the probability of when both are equal, that is, take out two cookies of the same type, since we can calculate that they are not equal by means of their complement:
The probability that they are equal is:
P (plain, plain) = (12/20) (11/19)
= 132/380
P (chocolate, chocolate) = (5/20) (4/19)
= 20/380
P (currant, currant) = (3/20) (2/19)
= 6/380
The final probability would be the sum of these:
P (equal) = 132/380 + 20/380 + 6/380
P (equal) = 158/380
P (equal) = 0.4157
The probability that they are different is the opposite of the probability that they are equal, that is, the complement. Therefore, the probability that they are different is:
P (different) = 1 - 0.4157
P (different) = 0.5843
In other words, the probability would be 58.43%
A 48000 gallon water tank is being filled at a rate of 40 gallons per minute. At this rate, how many minutes will it take to fill this tank 3/5 full?
The minutes it will take for the tank to be 3/5 full is 720 minutes.
When the tank be 3/5 full?A fraction is a non-integer that is made up of a numerator and a denominator. The numerator is the number above and the denominator is the number below. An example of a fraction is 3/5.
The first step is to determine how many gallons the tank would have when it is 3/5 full. To determine this value, multiply the volume of the tank by 3/5.
Gallons when the tank is 3/5 full = 3/5 x 48,000 = 28,800
Now, divide the speed of the water by the gallons in the tank when it is 3/5 full.
28,800 / 40 = 720 minutes
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let the instance variable root hold the root node of the above tree. what does the following code produce? stack
the code is referencing a tree data structure and has an instance variable called "root" that holds the root node of the tree.
The statement "stack" itself does not provide enough context to determine its purpose or the expected output. It could be a reference to a specific method or operation involving a stack data structure, but without further information, it is not possible to determine the specific behavior or output of the code.
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Find the value of x
A. 6
B. 9
C. 15
D. 3
Plz help I may mark Brainiest
Answer:
A. 6
Step-by-step explanation:
\(10x \degree + 30 \degree = 90 \degree \\(complementary \:angles) \\\\ 10x \degree = 90 \degree - 30 \degree\\ \\ 10x \degree = 60 \degree \\ \\ 10x = 60 \\ \\ x = \frac{60}{10} \\ \\ x = 6\)
what type of sampling is used when it is not possible to select individuals directly from the target population?
Answer:
If a researcher cannot gain access to a target population, snowball sampling procedures can assist in locating subjects. In regard to sampling procedures, if a researcher wants to be able to generalize results to the total population of interest, then a purposeful sampling technique is the best approach.
Answer:
Non-probability sampling
Step-by-step explanation:
Non-probability sampling is a method of selecting units from a population using a subjective method.
PLEASE THIS IS AN EMERGENCY I NEED HELP QUICK!!!!!
1.Compare the expressions 7 + 3^2-2x5÷4-1x2 and (¾+ ⅛) ÷ ⅛ - 2^2using < , =, > or . Show your work.
Answer:
The comparison of the expressions is 7 + 3² -2 * 5 ÷ 4 - 1 * 2 > (¾+ ⅛) ÷ ⅛ - 2²
How to compare the expressionsFrom the question, we have the following parameters that can be used in our computation:
7 + 3^2-2x5÷4-1x2 and (¾+ ⅛) ÷ ⅛ - 2^2
Express the exponents properly
This gives
7 + 3² -2 * 5 ÷ 4 - 1 * 2 and (¾+ ⅛) ÷ ⅛ - 2²
Evaluate the exponents
So, we have the following representation
7 + 9 - 2 * 5 ÷ 4 - 1 * 2 and (¾+ ⅛) ÷ ⅛ - 4
Evaluate the expressions in brackets
So, we have the following representation
7 + 9 - 2 * 5 ÷ 4 - 1 * 2 and 7/8 ÷ ⅛ - 4
Solve the products and quotients
7 + 9 - 2.5 - 2 and 7 - 4
So, we have
11.5 and 3
11.5 is greater than 3
So, we have
11.5 > 3
Rewrite as
7 + 3² -2 * 5 ÷ 4 - 1 * 2 > (¾+ ⅛) ÷ ⅛ - 2²
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Can someone please help me
Answer:
sqrt(241) or about 15.52 rounded
Step-by-step explanation:
a^2+b^2=c^2
4^2+15^2=c^2
16+225=c^2
241=c^2
sqrt(241)=c