help me plzzzzzzzzzzz this is for a grade dont know how to do it

Help Me Plzzzzzzzzzzz This Is For A Grade Dont Know How To Do It

Answers

Answer 1

Answer:

B

Step-by-step explanation:

Answer 2

Answer:

B

Step-by-step explanation:

V = pi r^2 h

isolate h by moving pi & r^2 to the other side.  

Move with opposite operation from multiplying which is dividing, so

h = V / (pi r^2)


Related Questions

please help!!!! will mark brainliest if correct!!!

please help!!!! will mark brainliest if correct!!!

Answers

The monomial in standard form is 6x¹¹y¹⁸.

The given expression is

\((-3xy^{2})^{3} .(-\frac{2}{3}x^{2} y^{3} )^{4}\)

We to write the expression as a monomial in standard form

Monomial is an expression having a single term. It can be represented as kxⁿ, where k is any integer often known as the coefficient, x represents the variable/s in the given expression and n denotes the power.

In the expression

\((-3xy^{2})^{3} .(-\frac{2}{3}x^{2} y^{3} )^{4}\)

we first need to multiply the powers

using the formula

(mn)ˣ = mˣnˣ

\((-3xy^{2})^{3} .(-\frac{2}{3}x^{2} y^{3} )^{4}\\(-3x^3y^{2.3}) .(-\frac{2}{3}x^{2.4} y^{3.4} )\\(-3x^3y^{6}) .(-\frac{2}{3}x^{8} y^{12} )\\\)

Now, we need to multiply both the terms

The following formula is used

xᵃ . xᵇ = xᵃ+ᵇ

\((-3x^3y^{6}) .(-\frac{2}{3}x^{8} y^{12} )\\\\-3(-\frac{2}{3})x^{3+8} y^{6+12} \\\\6x^{11}y^{18}\)

Therefore the monomial in standard form is 6x¹¹y¹⁸.

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Which functions are a specific type of piecewise-defined functions?Quadratic functionsAbsolute value functionsCubic functionsLinear functions

Answers

Solution

The answer is

Absolute Value Function

What does the following code perform?
slli x2,x3,16
srli x3,x3,16
or x2,x2,x3
a.zeros out registers x2 and x3
b.swaps the upper and lower halves of register x3 and stores result into x2
c.reverses the bytes in register x3
d.sign extends the lower half of register x3
e.sign extends the upper half of register x3

Answers

The following code performs the operation of swapping the upper and lower halves of register x3 and storing the result into register x2. The correct answer is option b.

The code performs the following steps:

slli x2, x3, 16: This instruction shifts the bits in register x3 left by 16 positions, effectively moving the upper half of x3 to the lower half of x2.srli x3, x3, 16: This instruction shifts the bits in register x3 right by 16 positions, moving the lower half of x3 to the upper half of x3.or x2, x2, x3: This instruction performs a bitwise OR operation between registers x2 and x3, combining the upper half of x3 (previously stored in the lower half of x2) with the lower half of x3 (obtained from the previous shift operation), and stores the result in x2.

Therefore, the correct answer is b.

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the researcher wants to investigate blood cholesterol levels in patients who follow a diet either low or moderate in fat and who take either a drug to lower cholesterol or a placebo. what is the most appropriate statistical test to use in analyzing the data?

Answers

The most appropriate statistical test to analyze the data in this scenario is a two-way analysis of variance (ANOVA). A two-way ANOVA is suitable because it allows for the examination of the effects of two categorical independent variables (diet and medication) on a continuous dependent variable (blood cholesterol levels).

Here's a step-by-step explanation:

Step 1: Set up the null and alternative hypotheses:

Null hypothesis: There is no significant interaction effect of diet and medication on blood cholesterol levels.

Alternative hypothesis: There is a significant interaction effect of diet and medication on blood cholesterol levels.

Step 2: Check assumptions:

Ensure independence of observations.

Verify normality assumption: The distribution of cholesterol levels should be approximately normally distributed within each combination of diet and medication.

Assess homogeneity of variances: The variance of cholesterol levels should be approximately equal across all groups.

Step 3: Perform the two-way ANOVA:

Use an appropriate statistical software or tool to conduct the analysis.

Interpret the results, paying attention to the main effects of diet and medication, as well as the interaction effect. Look for significant p-values.

Step 4: Post hoc analysis (if necessary):

If the two-way ANOVA shows significant main effects or an interaction effect, conduct post hoc tests to identify specific group differences.

Common post hoc tests include Tukey's HSD test or Bonferroni correction.

Step 5: Report and interpret the findings:

Summarize the main findings, including any significant effects or differences between groups.

Discuss the implications of the results in relation to the research question.

Remember, it's always recommended to consult with a statistician or data analyst to ensure appropriate statistical analysis based on your specific data and research design.

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Please help help help

Please help help help

Answers

The value of the mean is 3 for normal curve C and the value of the mean is 4 for the normal curve D, and for both data standard deviation is the same.

What is a normal distribution?

It's the probability curve of a continuous distribution that's most likely symmetric around the mean. On the Z curve, at Z=0, the chance is 50-50. A bell-shaped curve is another name for it.

We have a normal distribution curve shown in the picture.

For the normal curve C:

The value of mean = 3 (draw a vertical line in the middle of the curve)

For the normal curve D:

The value of mean = 4 (draw a vertical line in the middle of the curve)

For both data standard deviation is the same.

Thus, the value of the mean is 3 for normal curve C and the value of the mean is 4 for the normal curve D, and for both data standard deviation is the same.

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Please help help help

Divide.6 divided by 1/4 =

Answers

Answer:

24

Step-by-step explanation:

Answer:

Ok because your questions confuses me I'm going to put two answers here.

.6 divided by 1/4 is 2.4 6 divided by 1/4 is 24

Step-by-step explanation:

Use a calculator for these type of problems in the future.

alice has 24 apples. in how many ways can she share them with becky and chris so that each of the people has at least 2 apples?

Answers

Assuming Alice has 2 apples, there are 19 ways to split the rest of the apples with Becky and Chris.

The total number of ways to split 24 apples between the three friends is equal to 19 + 18 + 17 + 16 + 15 + ...……+ 2 + 1 = 20 x ( 19 / 2 ) = 190

Alice can share them with Becky and Chris in a variety of ways, as long as each person has at least 2 apples. For example, Alice could give Becky 8 apples and Chris 16 apples, or she could give Becky 10 apples and Chris 14 apples. As long as each person has at least 2 apples, there are many ways for Alice to share her apples.To split the apples, we employ the Ball-and-urn method, also referred to as "Sticks and Stones" or "Stars and Bars."

Hence there are 19 different ways she can share them with becky and chris so that each of the people has at least 2 apples.

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What information is needed to write the equation of a line in point-slope form?
The location of one ordered pair that lies on the line and the line's slope.
The line's slope and one ordered pair that is not on the line.
The location of one ordered pair on the line and one ordered pair that is not on the line.
The slope of the line and the location of the origin.

Answers

The information that is needed to write the equation of a line in point-slope form is the location of one ordered pair that lies on the line and the line's slope. The correct option is the first option

Point-slope form of the equation of a line

From the question, we are to determine the information that is needed to write the equation of a line in point-slope form.

The point-slope form of a line is given as

y - y₁ = m(x - x₁)

Where, (x₁, y₁) is a point on the line

and m is the slope of the line

Thus, in order to write the equation of a line in the point-slope form, the information that are needed are:

1. An ordered pair on the line

2. The slope of the line

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The restaurant serves breakfast from 6 AM until 10:30 AM. They sell six every 15 minutes. Should the restaurant expect to sell more than or fewer than 100 omelettes? Explain your answer.

Answers

Answer:

The restaurant expect to sell more than 100 omelets

Answer:

They will certainly Sell more than 100.

Step-by-step explanation: Okay first we know that 15 can go into 60 4 times,4 x 4 is 16 + 2 (so we can make sure it is exactly equivalent to 4 and a half hours that is why we added 2) is 18. Multiply 6 x 18 to get the number of Omelletes sold, we get 108 Omellets sold, that is more than 100. So the answer should be More than 100 omelletes!

what is the quotient of the expression
\( \frac{21a {}^{3} b - 14ab {}^{2} + 7ab}{7ab} \)

Answers

The quotient of the expression is 3a^2 - 2b + 1

Mark cast a shadow that is 4 feet long. At the same time, a nearby tree casts a shadow that is 20 feet long. If mark is 6 feet tall, how tall is the tree?

Answers

Answer:

30 ft

Step-by-step explanation:

We can use the given information to set up a ratio...

\(\frac{Mark's\ height}{Mark's\ shadow}=\frac{Tree's\ height}{Tree's\ shadow}\)

\(\frac{6\ ft}{4\ ft}=\frac{x}{20\ ft}\)

We can solve this ratio using cross multiplication (multiply the numerator of the first fraction by the denominator of the second and the numerator of the second fraction by the denominator of the first):

120 = 4x

Divide both sides by 4

x=30 ft

what is the answer to this please help 1. 4.5 + 7.1

Answers

Answer:

The answer is 11.6.

A football team lost 14 yards on their first play then lost another 7 yards on the next play. What integer represents the total change in yards for the two plays? ​

Answers

Answer:

- 21

Step-by-step explanation:

They lost 14 yards, then lost and additional 7 more. You would simply add and make it a negative number due to the key word " lost ".

The equation would look like this: -14 + ( -7 ).

Another way to solve this equation is to multiply. ( + ) x ( - ) = -.

Your equation will the look this this: -14 - 7.

Now you just solve.

Thus, your answer should be - 21.

Hopes the helps!

Have a great day.

Answer: -21

Step-by-step explanation:

.A football team will lose an additional 7 yards if they lost 14 on their first play.

. Since the first play resulted in a loss of 14 yards, the integers that reflect the overall change in yards for the two plays are negative.

.In the second play, we score 14 points but lose 7 yards, which is a loss of 7 points.

.Negative 14 + Negative 7 = Negative 21, which is the overall change in yards.

. Hence, the answer would be -21 yards.

. -21 would be the correct integer that will represent the the total change in yards for the two plays.

Your interest rate is compounded semiannually.
Beginning Balance: $1,000
Annual Interest Rate: 8%
What will your ending balance be after one year?

Answers

\(~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$1000\\ r=rate\to 8\%\to \frac{8}{100}\dotfill &0.08\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{semiannually, thus twice} \end{array}\dotfill &2\\ t=years\dotfill &1 \end{cases} \\\\\\ A=1000\left(1+\frac{0.08}{2}\right)^{2\cdot 1}\implies A=1000(1.04)^2\implies A=1081.6\)

Julio ​says, If you subtract 18 from my number and multiply the difference by −4​, the result is −20​. What is Julio​s ​number?

Answers

Answer:

Julio's number is 40

Step-by-step explanation:

"If you subtract 17 from my number and multiply the difference by negative 4​, the result is negative 92​.

n= number

(n-17)*(-4) = -92

distribute

-4 *n - 17*(-4) = -92

-4n +68 = -92

subtract 68 from each side

-4n +68-68 = -92 -68

-4n = -160

divide each side by -4

-4n/-4 = -160/-4

n = 40

Select all the true statements.if vertical angles are congruent, then two lines cut by a transversal are parallel. if two parallel lines are cut by a transversal, then corresponding angles are congruent. if two parallel lines are cut by a transversal, then alternate interior angles are congruent. points on a perpendicular bisector of a line segment are equidistant from the segment’s endpoints. points on a perpendicular bisector of a line segment are never equidistant from the segment’s endpoints.

Answers

 By the property of alternate interior angles, Option (1) is the correct statement.    

  ∠XWY ≅ ∠ZYW

   Property of the alternate angles states, if two parallel lines are cut by a transversal, then the alternate angles are congruent.

By this property,

Lines XW and YZ are the parallel lines intersected by a transversal WY.

Here, ∠XWY and ∠ZYW represent the interior angles between the parallel lines and the transversal.

Therefore, interior alternate angles ∠XWY and ∠ZYW will be congruent.

Hence, Option (1) will be the correct option.

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What does "The product of n and 6 is subtracted from five-sixths of b" mean​

Answers

The product means it’s the answer to multiplication. So now we know n and 6 are being multiplied. Then it is subtracted from 5/6b. This could be written as 6n - 5/6b.

This was my understanding. Sorry if i was wrong!

What the function?
y = 2.5x + 8

Answers

Answer:

Step-by-step explanation:

This is a linear function with y-intercept (0, 8) and slope 2.5.

Lo is leaving from work today at 3:30 p.m. She has errands to run before she meets her friends for dinner at 8 p.m. If it takes Lo of an hour to run each errand, how many errands does she have time to run between work and dinner?

Answers

Answer:

she will need to take 4 errands!

Step-by-step explanation:

(please help!)

Alliana plans to put in wall-to-wall carpet in her bedroom. She measures the dimensions of her bedroom and sketches up the floor plan shown. The carpet costs $8.50 per square meter. How much will she pay for the carpet?

(please help!)Alliana plans to put in wall-to-wall carpet in her bedroom. She measures the dimensions

Answers

Answer:

79.56

Step-by-step explanation:

Separate the box into two then add the area and then multiply the price with the combined areas.

Answer:

She will pay $71.4 [The thing is that one dimension is not shown, so the number I did put is all of the shown dimensions.

Step-by-step explanation:

How I did it: 8.5(3.6)+ 8.5(3)+ 8.5(1.2)+8.5(0.6)

the mid-state soccer conference has 6 teams. each team plays the other teams once. (a) how many games are scheduled?

Answers

The total number of games would be 15 games.

What are the Permutation and Combination?

Permutations and combinations are the various ways in which objects from a set can be selected to form subsets, generally without replacement. When the order of selection is a factor, this selection of subsets is called a permutation; when it is not, it is called a combination.

Consider each team playing with the other team once

Total number of games scheduled = Number of ways of selecting 2 from 6 teams

               \(=^nC_r\\\\=^6C_2\\\\=\frac{6!}{2!*4!}\\\\=15\)

Hence the total number of games would be 15 games.

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I NEED HELP!!
This is a another question, I'll give you 50 points and a brainlist if you figure this out, all you have to do is to Solve the following multi-step equation, and write it out and describe it on a piece of paper or on your computer don't send me links, send me screenshots of your work show me how you did it.

I NEED HELP!!This is a another question, I'll give you 50 points and a brainlist if you figure this out,

Answers

Answer:

x=x

Step-by-step explanation:

4x-6+2x=3(2x-2)

4x+2x-6=6x-6

4x+2x=6x

6x=6x

x=x

Answer:

infinity solutionsthe picture is attached
I NEED HELP!!This is a another question, I'll give you 50 points and a brainlist if you figure this out,

Students are going to conduct an experiment to study the effect of a net force applied to an object on the object’s motion. In each trial of the experiment, the students will apply a net force on the object. They also need to take two other measurements. What are the other quantities they should measure in each trial of the experiment?.

Answers

For conducting experiment based on effect of a net force , to apply net force on the object two other quantities should be measured in each trial of the experiment is given by velocity and time.

As given in the question,

To conduct a experiment based on the effect of net force applied to an object the dependable quantities are as follow:

Force = mass × acceleration

As object remain same ⇒ mass is constant as object remain same.

And there is change in the acceleration.

Acceleration depends change in velocity over total time taken.

Acceleration depends on velocity and time.

Net force also depends on velocity and time.

Two measurements need to know  while conducting trail experiments are velocity and time.

Therefore, to conduct experiment based on effect of a net force , to apply net force on the object two other quantities should be measured in each trial of the experiment is given by velocity and time.

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what is the interquartile range of the data?
150, 165, 180, 198, 204, 216, 230, 225​

Answers

The answer is going to be 75

Answer:

\({ \tt{interquartile \: range = \frac{1}{2} (q _{3} - q _{1} )}} \\ \)

• q3 is upper quatile

\({ \rm{q _{3} = \frac{3}{4} \times n}} \\ \\ { \rm{q _{3} = \frac{3}{4} \times 8 }} \\ \\ { \boxed{ \rm{q _{3} = 6 {}^{th} = 216 }}}\)

\({ \rm{q _{1} = \frac{1}{4} \times 8}} \\ \\ { \boxed{ \rm{q _{1} = 2 {}^{th} = 165}}}\)

• n is number of terms:

→ therefore:

\({ \tt{interquatile \: range = \frac{1}{2} (216 - 165)}} \\ \\ { \tt{interquartile \: range = 25.5}}\)

Helpppp me pleaseeeeeee

Helpppp me pleaseeeeeee

Answers

Answer:

The 2nd option.

Step-by-step explanation:

Answer:

B. 27c = $242.73

Step-by-step explanation:

Here the cost is unknown so, let it be c:

27 * c = $242.73        ..................27 copies product with cost gives total cost

So answer is therefore, B. 27c = $242.73

a survey of 4000 americans found that 80 % agreed with the president on a certain issue. identify the population a. all american voters b. the 4000 americans interviewed c. all americans d. the 3200 americans who agreed identify the attribute of interest. a. being an american voter b. agreeing with the president c. being one of the 4000 who agreed d. being one of the 3200 that agreed is the proportion 0.80 (80%) a population proportion or a sample proportion? a. population proportion b. sample proportion c. none of the above

Answers

The population is c) all Americans. The attribute of interest is b) agreeing with the president. The proportion 0.80 (80%) is a sample proportion.

In this scenario, a survey was conducted on 4000 Americans to gauge their agreement with the president on a specific issue. To identify the population, we need to determine who the survey results are intended to represent.

a. If the intention was to capture the opinions of all American voters, then the population would be all American voters.

b. However, since the survey was conducted on only 4000 Americans, the sample would be the 4000 individuals who were interviewed.

c. If the intention was to generalize the results to the entire American population, then the population would be all Americans.

d. In this case, the population would be specifically the 3200 Americans who agreed with the president.

The attribute of interest in this survey is the agreement with the president on the given issue. The proportion of 0.80 (80%) represents the sample proportion because it pertains to the proportion of the 4000 Americans who were interviewed and agreed with the president. It does not represent the entire population proportion.

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I don't need a language ABC​

Answers

Answer:

yes

Step-by-step explanation:

Answer:

?

Step-by-step explanation:

an n × n matrix that is orthogonally diagonalizable must be symmetric. true or false?

Answers

False. An n × n matrix that is orthogonally diagonalizable does not necessarily have to be symmetric. A matrix is said to be orthogonally diagonalizable if it can be expressed as PDP^T, where P is an orthogonal matrix and D is a diagonal matrix.

For a matrix to be symmetric, it must satisfy the condition A = A^T, where A^T denotes the transpose of A. While it is true that symmetric matrices are always orthogonally diagonalizable, the converse is not necessarily true. There exist non-symmetric matrices that can still be orthogonally diagonalized. An example of such a matrix is the following:

  [1  2]

A = [3 4]

This matrix is not symmetric, as A^T is:

  [1  3]

A^T = [2 4]

However, it is still orthogonally diagonalizable. The matrix A can be diagonalized as:

A = PDP^T, where P = [0.8507 -0.5257]

[0.5257 0.8507]

          and D = [-0.3723   0     ]

                    [ 0      5.3723]

Therefore, it is not necessary for an n × n matrix that is orthogonally diagonalizable to be symmetric.

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Patrick usually drinks 90 ounces of water each day. On Saturday, he spent the day out on the boat so decided to drink 140 ounces of water. What is the percent increase

Answers

Answer:

5555.55556

Step-by-step explanation:

a% over 100 and 50 over 90

help me please , for 20 points

help me please , for 20 points

Answers

Answer:

A

Step-by-step explanation:

First off we can see that there are 46 pencils - and 7 students - so we can divide the two

46/7 is not a whole number, so we need to find a number that can be multiplied by 7, and is right below 46.

If you multiply 7 by 6, you get 42, which is the highest you can get with multiply by 7, which is also below 46.

Now that we know that each student gets 6 pencils, we need to find out how many are left.

We can do 46 (total pencils) minus 42 (pencils given) to get a leftover of 4 pencils, so the answer is A.

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