Answer:
D) x=3, angle measure is 48 degrees.
Step-by-step explanation:
180-64-48=68
180-68-64=48
16x=48
x=48/16
x=3
A laboratory supply company produces graduated
cylinders, each with an internal radius of 2 inches
and an internal height between 7.75 inches and
8 inches. What is one possible volume, rounded to
the nearest cubic inch, of a graduated cylinder
produced by this company?
The volume of cylinder lies between the 97.34 and the 100.48 inches per cube.
According to the statement
we have given that the some data and we have to find the volume of the cylinder.
So, For this purpose, we know that the
The volume of a cylinder is the density of the cylinder which signifies the amount of material it can carry or how much amount of any material can be immersed in it. Cylinder's volume is given by the formula, πr^2h, where r is the radius of the circular base and h is the height of the cylinder.
So, The radius of the cylinder is 2 inches and the height is between 7.75 and 8 inches.
Volume of the cylinder = \(\pi r^{2}h\)
Substitute the values in it then
radius = 2 inches and the height = 7.75
then volume becomes
volume = \((3.14)(2)^{2}7.75\)
volume = 97.34 inches per cube
And now take height = 8 inches
then volume becomes
volume = \((3.14)(2)^{2}8\)
volume = 100.48 inches per cube.
So, The volume of cylinder lies between the 97.34 and the 100.48 inches per cube.
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What is the formula for the arithmetic sequence if the sum of the same sequence is given by?
Sn = 2n+3n?
The formula for the arithmetic sequence if the sum of the same sequence is given by Sn = 2n+3n is an = 10 - a1
The formula for an arithmetic sequence is given by:
an = a1 + (n - 1)d
Where an is the nth term of the sequence, a1 is the first term, n is the number of terms, and d is the common difference.
If the sum of the same sequence is given by Sn = 2n + 3n, then we can use the formula for the sum of an arithmetic sequence to find the formula for the sequence itself.
The formula for the sum of an arithmetic sequence is given by:
Sn = n(a1 + an)/2
Substituting the given formula for Sn into this equation, we get:
2n + 3n = n(a1 + an)/2
Solving for an, we get:
an = (4n + 6n)/n - a1
an = 10 - a1
Therefore, the formula for the arithmetic sequence is:
an = 10 - a1
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Need help!
Find the exact volume of the cylinder.
Last one, for today!
Thanks! :)
\( \mathcal \pink{GIVEN:}\)
Radius = 3 mHeight = 7 m\( \mathcal \purple{TO \: FIND:}\)
Volume = ?\( \mathcal \blue{CALCULATION:}\)
\( \qquad{ \sf \: volume = \pi{r}^{2}h }\)
Where,
r is radiush is height\( \qquad{ \tt\nrightarrow \: \frac{22}{7} \times {3}^{2} \times 7}\)
\( \qquad{ \tt\nrightarrow \: \frac{22}{ \cancel7} \times {3}^{2} \times \cancel7}\)
\( \qquad{ \tt\nrightarrow \: 22 \times {3}^{2} }\)
\( \qquad{ \tt\nrightarrow \: 22 \times 9 }\)
\( \qquad{ \boxed{ \tt\Rrightarrow \: 198\: {m}^{3} }}\)
➪ Henceforth, The volume of the cylinder is 198 m³...
How many ways can a coach select a starting team of one center, two forwards, and two guards if the basketball team consists of three centers, five forwards, and three guards
There are 90 ways that a coach can select a starting team of one center, two forwards, and two guards if the basketball team consists of three centers, five forwards, and three guards.
To determine the number of ways to select a starting team, we first need to choose one center out of three centers, which can be done in 3 ways.
Then we need to choose two forwards out of five forwards, which can be done in 5C2 ways, where 5C2 represents the number of combinations of 2 items that can be chosen from a set of 5 items.
Finally, we need to choose two guards out of three guards, which can be done in 3C2 ways.
Using the multiplication principle, the total number of ways to select a starting team is:
3 x 5C2 x 3C2 = 3 x 10 x 3 = 90
Therefore, there are 90 ways.
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For positive acute angles A and B, it is known that cos A = 8/17 and sin B = 3/5. Find the value of sin(A - B) in simplest form.
The expansion of Cos(A-B) is:
\(\text{Cos(A}-B)=CosACosB+SinASinB\)We are provided with the following:
\(\text{Cos A=}\frac{8}{17},Sin\text{ B=}\frac{3}{5}\)We will have to obtain the values of Cos B and Sin A. Thus, we have:
To be obtain Sin A, we have to get the value of the third side, which is the opposite side, by applying the pythagoras theorem. Thus, we have:
\(\begin{gathered} (\text{Hypotenuse)}^2=(\text{Opposite)}^2+(\text{Adjacent)}^2 \\ 17^2=O^2+8^2 \\ 289=O^2+64 \\ 289-64=O^2 \\ O^2=225 \\ O=\sqrt[]{225} \\ O=15 \\ \text{Thus, Sin A=}\frac{Opposite}{\text{Hypotenuse}} \\ Sin\text{ A=}\frac{15}{17} \end{gathered}\)To be obtain Cos B, we have to get the value of the third side, which is the adjacent side, by applying the pythagoras theorem. Thus, we have:
\(\begin{gathered} \text{Hyp}^2=\text{Opp}^2+\text{Adj}^2 \\ 5^2=3^2+A^2 \\ 25=9+A^2 \\ 25-9=A^2 \\ A^2=16 \\ A=\sqrt[]{16} \\ A=4 \\ \text{Thus Cos B=}\frac{Adjacent\text{ }}{\text{Hypotensue}} \\ \text{Cos B=}\frac{4}{5} \end{gathered}\)Now that we have obtained the values of Cos B and Sin A, we can then go on to solve the original problem.
\(\begin{gathered} \text{Cos(A}-B)=\text{CosACosB}+\text{SinASinB} \\ Cos(A-B)=\mleft\lbrace\frac{8}{17}\times\frac{4}{5}\mright\rbrace+\mleft\lbrace\frac{15}{17}\times\frac{3}{5}\mright\rbrace \\ \text{Cos(A-B)=}\frac{32}{85}+\frac{45}{85}_{} \\ \text{Cos(A}-B)=\frac{77}{85} \end{gathered}\)Guys can you please help. I dont understand. Thank you. :))))
Lines AB and CD intersect at E. If the measure of angle AEC=5x-20 and the measure of angle BED=x+50, find, in degrees, the measure of angle CEB.
Answer: 112.5
Step-by-step explanation: When line AB and CD intersect at point E, angle AEC equals BED so you set them equal to each other and find what x is. 5x -20 = x + 50, solving for x, which gives you 17.5. Finding x will tell you what AEC and BED by plugging it in which is 67.5. Angle BED and BEC are supplementary angles which adds up to 180 degrees. So to find angle CEB, subtract 67.5 from 180 and you get 112.5 degrees.
16 decreased by a number is 15. What equation fits this statement?
Answer:
16-1=15
Step-by-step explanation:
decreased means subtraction
y=f(x)graph Select the interval where fff is positive.
The interval where f is positive is \(0 \le x < 1.5\)
How to determine the positive interval?The missing function is added as an attachment
From the attached graph, the function f(x) is positive from x = 0 to x = 1.5
As an interval notation, this can be represented as:
\(0 \le x < 1.5\)
Hence, the interval where f is positive is \(0 \le x < 1.5\)
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Determine whether an observational study or an experimental study is used. Two groups of grocery shoppers were randomly selected. The individuals in Group shopped at a health food supermarket. Group individuals shopped at a neighborhood grocery store. At the end of one month, the average food costs of the two groups were compared.
Since the researcher is merely observing and comparing existing groups without any manipulation or intervention, this study is classified as an observational study.
In an observational study, the researcher observes and collects data on existing groups or individuals without intervening or manipulating any variables. In this case, the researcher selected two groups of grocery shoppers (one group shopping at a health food supermarket and the other at a neighborhood grocery store) and observed their food costs over a month. The researcher did not control or manipulate any factors or assign participants to specific groups.
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The garden club is having a party. The room holds a maximum of 125 people. There are 34 members in the club. Write and solve an inequality to describe the possible number of guest the
hey! i’ll give brainliest pls help.
Answer:
Life forms change over time
Step-by-step explanation:
The hypotenuse of a right triangle measures 17 cm and one of its legs measures 13 cm. Find the measure of the other leg. If necessary, round to the nearest tenth.
Step-by-step explanation:
13^2 + x^2 = 17^2
169 + x^2 = 289
289 - 169 = 120
x^2 = 120
\( \sqrt{120} = 10.9544511501\)
x = 11.0
If 15 people start a race, in how many different ways can the top 3 finishers be determined?
Hence, 15 people out of 3 people can be chosen in 35 ways.
Combinations:It is a method that helps us to determine the number of possible ways an item can be chosen given that the order of selection does not matter. Hence we are free to select the items in any order.Combinations are often confused with permutations. Permutations are the number of ways the given items can be arranged. Here the order is important.The formula for combinations:If we have 'n' items and we are required to choose 'r' items, the number of ways in which it can be done is calculated as:\(^{n}C_{r} }\) = \(\frac{n!}{(n-r)!r!}\)It is given that:
The total number of people in a race, n = 15
The number of finalists, r = 3.
Hence, the number of ways in which 3 people out of the 15 people can be finishers are:
\(^{15}C_{3} }\) = \(\frac{15!}{(15-3)!3!}\) = \(\frac{15!}{12!3!}\) = 35.
Hence, 15 people out of 3 people can be chosen in 35 ways.
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You're still a consultant. You charge $100 plus $28 an hour. You want
to purchase a car for the business at $10,220. How many hours would
you have to work to pay for the car? (Round to the nearest hour)
I will have to work hours.
Answer:
You will have to work 361 hours
Step-by-step explanation:
Create an equation: 100+28(x)=10,220
Parentheses: 100+28x=10,220
Subtraction property of equality(Subtract 100 from 10,220): 28x=10,120
Division property of equality(divide 28 from 10,120): x=361
I need 6g the volume 8 in 10 in 6 in
Volume = base area x height
Base area = Length x width = 10 x 8 = 80 in2
Volume = 80 in2 x 6 in = 480 cubic inches
El volumen de un cubo, cuyos lados miden 4,5 cm corresponde a: A- 91 cm2 B- 91,1 cm C- 91 cm3
Answer:
La respuesta correcta es la opción C: 91 cm³.
Step-by-step explanation:
La fórmula del volumen de un cubo es la siguiente:
\( V = a^{3} \)
En dónde:
a: es cada lado del cubo = 4,5 cm
Entonces, el volumen del cubo es:
\( V = a^{3} = (4,5 cm)^{3} = 91.1 cm^{3} \approx 91 cm^{3} \)
Por lo tanto, la respuesta correcta es la opción C: 91 cm³.
Espero que te sea de utilidad!
Questions are from: Gerald and Wheatly, Applied Numerical Analysis 1) 10. A sky diver jumps from a plane, and during the time before the parachute opens, the air resistance is propor- tional to the power of the diver's velocity. If it is known that the maximum rate of fall under these condi- tions is 80 mph, determine the diver's velocity during the first 2 sec of fall using the modified Euler method with Ar= 0.2. Neglect horizontal drift and assume an initial velocity of zero.
The diver's velocity during the first 2 sec of fall using the modified Euler method with Ar= 0.2 is 62.732 mph.
Given data: Initial velocity, u = 0 ft/sec
Acceleration, a = g = 32.2 ft/sec²
The maximum rate of fall, vmax = 80 mph
Time, t = 2 seconds
Air resistance constant, Ar = 0.2
We are supposed to determine the sky diver's velocity during the first 2 seconds of fall using the modified Euler method.
The governing equation for the velocity of the skydiver is given by the following:
ma = -m * g + k * v²
where, m = mass of the skydive
r, g = acceleration due to gravity, k = air resistance constant, and v = velocity of the skydiver.
The equation can be written as,
v' = -g + (k / m) * v²
Here, v' = dv/dt = acceleration
Hence, the modified Euler's formula for the velocity can be written as
v1 = v0 + h * v'0.5 * (v'0 + v'1)
where, v0 = 0 ft/sec, h = 2 sec, and v'0 = -g + (k / m) * v0² = -g = -32.2 ft/sec²
As the initial velocity of the skydiver is zero, we can write
v1 = 0 + 2 * (-32.2 + (0.2 / 68.956) * 0²)0.5 * (-32.2 + (-32.2 + (0.2 / 68.956) * 0.5² * (-32.2 + (-32.2 + (0.2 / 68.956) * 0²)))
v1 = 62.732 mph
Therefore, the skydiver's velocity during the first 2 seconds of fall using the modified Euler method with Ar= 0.2 is 62.732 mph.
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What are the conditions for one-sample t-procedures?.
The conditions for conducting one-sample t-procedures are as follows:
1. Random Sample: The data should be obtained from a random sample or a randomized experiment to ensure that it is representative of the population of interest. This condition helps to minimize bias and ensure the validity of statistical inference.
2. Independence: The observations within the sample should be independent of each other. In other words, the values should not be influenced by each other and should be selected or measured independently. Violation of independence can lead to inaccurate results.
3. Normality or Large Sample Size (Central Limit Theorem): The population from which the sample is drawn should follow a normal distribution, or the sample size should be sufficiently large. If the population is known to be normally distributed, there are no specific requirements on the sample size. However, if the population distribution is unknown, the sample size should generally be at least 30 to apply the Central Limit Theorem, which states that the sample mean tends to follow a normal distribution, regardless of the population distribution shape.
4. Outliers: The presence of outliers can have a significant impact on the results of t-procedures. It is important to check for and address any outliers in the data. Outliers can distort the distribution and violate the assumptions of the t-test.
5. Equal Variances (for two-sample t-test): In the case of a two-sample t-test, if comparing two groups, the variances of the two populations should be equal. This assumption is necessary for calculating the correct degrees of freedom and obtaining accurate results. If the variances are not equal, a modified version of the t-test, called the Welch's t-test, can be used instead.
It is important to carefully assess these conditions before conducting one-sample t-procedures to ensure that the results are valid and reliable. Violations of these conditions may require alternative statistical tests or adjustments to the analysis.
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Hi, I am a boy who is 15 using my sisters account, thats why it says faith, my name is Alex.
Answer: cool
Step-by-step explanation:
Answer: ok
Step-by-step explanation: ok
Select all the correct answers.
Which two surfaces need NOT be sanitized between the two tasks?
a cutting board used to first slice bananas and then dice them
a grater used to first grate carrots and then cheese
a prep table used to first cut meat and then make sandwiches
a cup used first to measure sugar and then flour
a knife used to first filet fish and then slice ham
The two surfaces that need NOT be sanitized between the two tasks are:
A cup used first to measure sugar and then flour.
A knife used to first filet fish and then slice ham.
In both cases, there is no risk of cross-contamination between allergens or harmful bacteria.
The two surfaces that need NOT be sanitized between the two tasks are:
A cup used first to measure sugar and then flour.
A knife used to first filet fish and then slice ham.
In both cases, there is no risk of cross-contamination between allergens or harmful bacteria. The cup is being used for dry ingredients (sugar and flour), which pose a minimal risk of contamination. Similarly, the knife is being used on two different types of proteins (fish and ham), but as long as it is properly cleaned after use, there is no immediate risk of cross-contamination.
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Define the slope of the slope-intercept line form y=mx+b in terms of A,B and C belonging to the standard form of the linear equation Ax+By=C.
The definition of slope-intercept form y=mx+b is given below.
What is a line explain?A line has length but no breadth, making it a one-dimensional figure. A line is made up of a collection of points that may be stretched indefinitely in opposing directions. Two points in a two-dimensional plane determine it. Collinear points are two points that are located on the same line.
What are the types of lines?In geometry, there are two types of lines: straight and curved. Vertical and horizontal straight lines are further divided into categories. Parallel, intersecting, and perpendicular lines are further types of lines.
In the given question:-
The value of the steepness or the direction of a line in a coordinate plane is referred to as the slope of a line, also known as the gradient. Given the equation of a line or the coordinates of points situated on the straight line, slope may be determined using a variety of approaches.
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Giving away POINTS Tell me your favorite color!
Answer:
mint green
Step-by-step explanation:
brainliest?
Answer:
Pink
Step-by-step explanation:
because I'm 15 years old and I'm a girl
I like princess colors?
24 Hour Fitness charges svara spatee plus so per months to poun thensyn time has podszes por s gym membership so farHow many monohis has he been a member at 24 Hour Fitness monks
Answer:
4 months
Step-by-step explanation:
Equation:
y = 55 + 30x
y = gym membership
x = per month
Work:
y = 55 + 30x
175 = 55 + 30x
30x = 175 - 55
30x = 120
x = 4
4 months
A scientist uses a submarine to study ocean life.
*She begins at sea level, which is an elevation of 0 feet.
*She descends for 91 seconds at a speed of 2.2 feet per second.
*She then ascends for 32 seconds at a speed of 0.7 feet per second.
At this point, what is her elevation, in feet?
if you anserw corectly ill give you crown and more points
Answer:
-177.8 feet below sea level.
Step-by-step explanation:
First, we know that decend means to lower. Anything lower than 0 has to be negative. It says that she decends for 91 seconds at a speed of 2.2 feet per second. So first to find out how many feet she descended in those 91 seconds, you need to multiply 91*-2.2= -200.2. Then, it says that she ascends for 32 seconds at the speed of 0.7 feet per second. It's the same thing, but ascend means to go up. So, we multiply 32*0.7=22.4. Now we add the two numbers together to get -177.8.
Hope this helps!
Factor m² +9m + 14 completely.
Answer: (m+7)(m+2)
Step-by-step explanation:
So, let's find two numbers that can multiply together and equal 14.
To get fourteen here are the options:
1 * 14
2 * 7
Not many options, but let's see which ones would add to equal 9.
1 + 14 = 15
2 + 7 = 9
There's our answer, 2 and 7 multiply to get 14, and add to get 9.
To write it in factored form, we would write (m+7)(m+2)
An ice cream cone has a height of 16 centimeters and a diameter of 4 centimeters. What is the volume of ice cream that can be contained within the cone? Use 3.14 for pi. Round your answer to the nearest hundredth.
64.50 cm3
65.89 cm3
66.99 cm3
67.96 cm3
The correct answer is 65.89 cm³.
First, let's calculate the radius of the ice cream cone. The diameter is given as 4 centimeters, so the radius (r) is half of that:
r = 4 cm / 2 = 2 cm
The volume of a cone can be calculated using the formula V = (1/3)πr²h, where V is the volume, π is approximately 3.14, r is the radius, and h is the height.
Plugging in the values:
V = (1/3) × 3.14 × (2 cm)² × 16 cm
V = (1/3) × 3.14 × 4 cm² × 16 cm
V = (1/3) × 3.14 × 64 cm² × 16 cm
V ≈ 65.89 cm³ (rounded to the nearest hundredth)
Therefore, the volume of ice cream that can be contained within the cone is approximately 65.89 cm³.
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What Is the amount of data compression an algorithm can produce reliant upon?(A) No repeating parts of the file being compressed(B) Several patterns in the data(C) A large file size(D) A small file size
The amount of data compression an algorithm can produce is reliant upon:
Opiton B) Several patterns in the data.
What Is the amount of data compression an algorithm can produce reliant upon?Data compression is the process of reducing the size of a file by encoding its data information more efficiently. The more patterns in the data, the more efficiently it can be compressed.
An algorithm is a set of instructions that are used to complete a task, such as compressing data. If there are several patterns in the data, the algorithm can use these patterns to create a smaller, more efficient representation of the file, resulting in greater data compression. This means that if there are repeating parts of the file being compressed, the algorithm can make use of that to reduce the size of the file.
However, the size of the file (whether it's large or small) does not necessarily affect the amount of data compression.
Therefore, the amount of data compression an algorithm can produce is reliant upon the presence of several patterns in the data.
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Derivations (20 marks): For each of the questions in this section provide a derivation. Other methods will receive no credit i. ∃x(Fx & Gx) ⊢ ∃xFx & ∃xGx (5 marks)
ii. ¬ 3x(Px v Qx) ⊢ Vx ¬ Px (5 marks) iii. ¬ Vx(Fx → Gx) v 3xFx (10 marks; Hint: To derive this theorem use RA.)
¬ Vx(Fx → Gx) v 3xFx ⊢ Fx → Gx [1-5, Modus Ponens]
i. ∃x(Fx & Gx) ⊢ ∃xFx & ∃xGx (5 marks)
Proof:
1. ∃x(Fx & Gx) [Premise]
2. Fx & Gx [∃-Elimination, 1]
3. ∃xFx [∃-Introduction, 2]
4. ∃xGx [∃-Introduction, 2]
5. ∃xFx & ∃xGx [Conjunction Introduction, 3 and 4]
6. ∃x(Fx & Gx) ⊢ ∃xFx & ∃xGx [1-5, Modus Ponens]
ii. ¬ 3x(Px v Qx) ⊢ Vx ¬ Px (5 marks)
Proof:
1. ¬ 3x(Px v Qx) [Premise]
2. ¬ Px v ¬ Qx [DeMorgan’s Law, 1]
3. Vx ¬ Px [∀-Introduction, 2]
4. ¬ 3x(Px v Qx) ⊢ Vx ¬ Px [1-3, Modus Ponens]
iii. ¬ Vx(Fx → Gx) v 3xFx (10 marks; Hint: To derive this theorem use RA.)
Proof:
1. ¬ Vx(Fx → Gx) v 3xFx [Premise]
2. (¬ Vx(Fx → Gx) v 3xFx) → (¬ Vx(Fx → Gx) v Fx) [Implication Introduction]
3. ¬ Vx(Fx → Gx) v Fx [Resolution, 1, 2]
4. (¬ Vx(Fx → Gx) v Fx) → (Fx → Gx) [Implication Introduction]
5. Fx → Gx [Resolution, 3, 4]
6. ¬ Vx(Fx → Gx) v 3xFx ⊢ Fx → Gx [1-5, Modus Ponens]
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Plsss i need help boys and girls lol FRL :)
help pls asap ... Describe how you can make the line of best fit. Write the approximate slope and y-intercept of the line of best fit. Show your work, including the points that you use to calculate the slope and y-intercept.
The approximate slope and y-intercept of the line of best fit is y = -0.17x + 33.3.
How to determine an equation of this line?In Mathematics, the point-slope form of a straight line can be calculated by using the following mathematical expression:
y - y₁ = m(x - x₁) or \(y - y_1 = \frac{(y_2- y_1)}{(x_2 - x_1)}(x - x_1)\)
Where:
m represent the slope.x and y represent the points.At data point (20, 20), a linear equation in slope-intercept form for this line can be calculated by using the point-slope form as follows:
\(y - y_1 = \frac{(y_2- y_1)}{(x_2 - x_1)}(x - x_1)\\\\y - 20 = \frac{(10- 20)}{(80-20)}(x -20)\)
y - 20 = -1/6(x - 20)
y = -x/6 + 20/6 + 20.
y = -x/6 + 200/6
y = -0.17x + 33.3
In this context, we can reasonably infer and logically deduce that a linear function that represent the line of best fit in slope-intercept form is y = -0.17x + 33.3.
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