please help- how to find volume of a cilinder the diameter is 4cm and the height is 3cm

Answers

Answer 1

Answer:

V=π(d

2)2h=π·(4

2)2·3≈37.69911cm³

Step-by-step explanation:


Related Questions

please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

Area of the plot= 24*12= 288

Area of smaller section= 20*8=160

For Brick Path= 288-160= 128

Hope it helps you.

HELP PLEASE AND ASAP!!!!! look at screenshot (10 pts)

Answers

Answer:

0

Step-by-step explanation:

Using PEMDAS you complete the operation. Hope it helps :)

please help me i need this grade !

Answers

A . One solution

B . infinite solution

C . infinite solution

D . no solution

_________________________________

Thus the correct answer is option A .

Juan's earnings vary directly with the number of hours he works. Suppose that he worked 10 hours yesterday and earned $160. How much will he earn today if he works 13 hours?

Answers

Answer: Juan’s earnings for today will be $208.

Explanation: Find the unit rate/how much he earns if he works 1 hour
160 divided by 10: 16
Which will mean: 16 dollars for working 1 hour.
Multiply 16 by 13 to find out how many he earns for working 13 hours
16 x 13 = 208
So Juan earns $208 if he works 13 hours
Goodluck! You can trust my answer
Mark me brainliest plsss

Penelope decides to reduce her math tutoring to half the amount of time she has been tutoring each month. After making this change, what will be her total amount of monthly income?

Answers

Answer: $300 per month (assumed)

Step-by-step explanation:

As figures are lacking in this question, I will use assumed figures and you can use it as a reference.

Assume Penelope had been tutoring for 60 hours a month and her hourly rate was $10 originally.

If she reduces this time to half, the amount of hours she begins to tutor is:

= 60 hours / 2

= 30 hours

At a rate of $10 an hour, her monthly income becomes:

= 10 * 30

= $300 per month

Please answer correctly! I will mark you as Brainleist!

Answers

Answer:

a

Step-by-step explanation:

Answer:

The answer is 4 cm

Step-by-step explanation:

Volume of the triangular prism = 544 m³

height of the prism (h) = 17 m

Also

Volume of the prism = Area of base * height

544 = Area of base * 17

Area of base = 544 / 17

Area of base = 32 m²

Now

Base of the triangle (b) = 16 m

Area of the triangle = 32 m³

height (h) = ?

We know

Area of triangle = 1/2 * b * h

32 = 1/2 * 16 * height

32 * 2 / 16 = height

height of the triangle = 4 m

Hope it will help :)❤

Uhm I also need help with this

Answers

Answer:

D. Perpendicular

Step-by-step explanation:

First answer A. Answer A is not even correct. Parallel are two or more lines that NEVER cross

Answer B is also not correct. Line segments are a line of specific length. These are two LINES. You can tell by the arrows on the edge of each line.

Both C and D can be correct. But the answer would be D. Here is why

Intersecting lines are two or more lines that cross. Yes these lines are crossing by perpendicular lines also cross. The difference is, intersecting lines can cross at any angle. Perpendicular lines have to cross at 90 degrees making 4 right corners.

Last month you purchased 6 individual songs and 1 albums for a total of $21.99.



This month you spent a total of $44.97 on 4 individual songs and 3 albums.

How much does each song and album cost

Answers

Answer:

Song =$1.50 Album =$12.99

Step-by-step explanation:

Lets assume Individual songs = x

albums=y

6x + y = 21.99-------- y= 21.99- 6x

4x + 3y= 44.97

Replace y in the second equation

4x+ 3(21.99-6x) = 44.97

4x +65.97- 18x = 44.97

14x= 21

x = 1.50

y= 21.99- (6*1.50)

= 12.99

16ef³÷8e²f=
24m²n³
_____=
2mn

2k³+k
_____=
4k



Answers

Answer:

Answer is below

Step-by-step explanation:

16ef³÷8e²f=[tex]\frac{2f^{2}}{e}[/tex]

[tex]\frac{24m^{2} n^{3} }{2mn} = 12m n^{2}[/tex]

[tex]\frac{2k^{3} +k}{4k} =\frac{1}{2} k^{2} +\frac{1}{4}[/tex]

The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive.' a) What are the mean and standard deviation of the number of universal donors among the 6 people? b) What is the probability that there are exactly three universal donors?

Answers

Answer:

[tex]Mean = 0.36[/tex]

[tex]SD = 0.5817[/tex]

[tex]P(x=3) = 0.003588[/tex]

Step-by-step explanation:

Given

Let

A = Event of being a universal donor.

So:

[tex]P(A) = 0.06[/tex]

[tex]n = 6[/tex]

Solving (a): Mean and Standard deviation.

The mean is:

[tex]Mean = np[/tex]

[tex]Mean = 6 * 0.06[/tex]

[tex]Mean = 0.36[/tex]

The standard deviation is:

[tex]SD = \sqrt{np(1-p)}[/tex]

[tex]SD = \sqrt{6*0.06*(1-0.06)}[/tex]

[tex]SD = \sqrt{0.3384}[/tex]

[tex]SD = 0.5817[/tex]

Solving (b): P(x = 3)

The event is a binomial event an dthe probability is calculated as:

[tex]P(x) = ^nC_x * p^x * (1-p)^{n-x}[/tex]

So, we have:

[tex]P(x=3) = ^6C_3 * 0.06^3 * (1-0.06)^{6-3}[/tex]

[tex]P(x=3) = ^6C_3 * 0.06^3 * (1-0.06)^3[/tex]

[tex]P(x=3) = 20 * 0.06^3 * (1-0.06)^3[/tex]

[tex]P(x=3) = 0.003588[/tex]

What does the variable r represent in the equation 10r+4=8?
what does r represent in it?????
URGENTTTT

Answers

r =

I think “represent” is asking you to solve to a number.

10r + 4 = 8
Subtract 4 from both sides of the equation:
10r = 4
Divide both sides by 10:
r = 0.4

Check the math:

10(0.4) + 4 =
4 + 4 = 8

A car is on a Ferris wheel with a radius of 20 feet. How far does the car travel over an angle of 2π3 radians? The car travels the distance of feet.

Answers

Answer: 21 feet, I think the first guy was wrong

2. What is the name of the ray that is opposite RP?

Answers

Answer:

its pr

Step-by-step explanation:

because im smart

Which scatterplot shows a nonlinear association?

Answers

Answer:

d

Step-by-step explanation:

it's the only one that isn't a trend

Answer:

A.

Step-by-step explanation:

It has a curve in it and linear is just like a strait line.

Which statement best describes the product of 4/5 x 10?

Answers

Answer:

Step-by-step explanation:

4/5 x 10/1= 40/5

40 divided by 5 equals 8

The answer is 8

determine the minimum or maximum value of the function f(x)= -2x^2+4x+4

Answers

Answer:

-2x^2+4x+4= -4x+ 4x+4= 4

so the answer is 4

done

Which function is best represented by this graph?
A y = 1/4 x + 8
B y = 1/4 x - 2
C y = 4x -2
D y = 4x + 8

⚠️Hurry⚠️

Answers

Answer:

B- y=[tex]\frac{1}{4}[/tex]x-2

Step-by-step explanation:

To look at the slope you can count over four and then up one and its at the next point.

Also, the place on the y-axis is at -2

So, b makes the most since :)

Hope this helps :) (if it does, brainliest??)

An experiment consists of spinning a spinner. Use the results in the table to find the experimental probability of the spinner not landing on red.
Red = 8
Blue = 7
Green = 9
Yellow = 6

A. 3/5
B. 11/15
C. 2/5
D. 4/15

Answers

Answer:

Probability(Not red) = 11 / 15

Step-by-step explanation:

Given:

Outcomes;

Red = 8

Blue = 7

Green = 9

Yellow = 6

Find:

Probability(Not red)

Computation:

Probability(Not red) = 1 - Probability(red)

Probability(Not red) = 1 - [Number of red/ Total]

Probability(Not red) = 1 - [8/(8+7+9+6)]

Probability(Not red) = 1 - [8/30]

Probability(Not red) = 1 - [4/15]

By taking LCM

Probability(Not red) = (15 - 4) / 15

Probability(Not red) = 11 / 15

Write an equation in slope-intercept form for the line that passes through the
given point and is parallel to the graph of the given equation.
(-1, -2), 3x - y = 5

Answers

Make slope intercept
3x - y = 5
3x = y + 5
y = 3x - 5
Parallel = same slope
Slope = 3
Y = 3x + b
Plug in the point
-2 = 3(-1) + b
-2 = -3 + b, b = 1

Solution: y = 3x + 1

Answer:

y = 3x + 1

Step-by-step explanation:

the slope of the line of the given equation can bé find in this way: -a/b, where a is the number that multiplies x and b is the number that multiplies y

m = -3/-1 = 3

two parallel lines have the same slope, so also the line that we are a searching has m=3

now we can use this formula

y-y1 = m(x-x1) where y1 and x1 indicate the coordinates of the given point

y-(-2) = 3 (x-(-1)

y+2 = 3x + 3

y = 3x + 3-2

y = 3x + 1

Factor completely, then place the factors in the proper location on the grid.

128x2 +96xy + 18y2

Answers

Answer:

2(8x+3y)*squared*

Which x value are solution to both of the following inequality 128>x and x<82

Answers

Answer:

A is the answer they are all possible answers but the answer a is the best

Step-by-step explanation:

Answer:

All 3 of them

Step-by-step explanation:

A  B and C are correct

Determine x-intercepts and zeros of each function

Answers

Given:

The function is:

[tex]y=-(2x-4)(x-2)[/tex]

To find:

The x-intercepts and zeros of the given function.

Solution:

We have,

[tex]y=-(2x-4)(x-2)[/tex]

For x-intercepts, [tex]y=0[/tex].

[tex]-(2x-4)(x-2)=0[/tex]

[tex](2x-4)(x-2)=0[/tex]

Using zero product property, we get

[tex](2x-4)=0[/tex] and [tex](x-2)=0[/tex]

[tex]2x=4[/tex] and [tex]x=2[/tex]

[tex]x=\dfrac{4}{2}[/tex] and [tex]x=2[/tex]

[tex]x=2[/tex] and [tex]x=2[/tex]

The given function has two equal zeroes or x-intercept, i.e., [tex]x=2[/tex].

Therefore, the zeroes are 2 and 2.

Note: All options are incorrect.

Suppose that the population of deer in a state is 7,700 and is growing 3% cach year. Predict the population
after 5 years

Answers

Answer:

Future Value= 8,927

Step-by-step explanation:

Giving the following information:

Present Value (PV)= 7,700

Growth rate (g)= 3%

Number of periods (n)= 5 years

To calculate the future value (FV) of the population after 5 years, we need to use the following formula:

FV= PV*(1 + g)^n

FV= 7,700*(1.03^5)

FV= 8,927

EHIE HELP PLS
thank you so much you helped a lot , this is last problem

Answers

Step-by-step explanation:

I think it's 8 down again.

And 7 down.

8•7 = 56

• = Multiplication

Regina charges c dollars per hour to babysit. If she increases her rate by 15%, which
expression represents her new rate, in dollars per hour?
A.C+0.15
B.C+15
C.C +0.15c
D.C +15c

Answers

Answer:

C. c+0.15c

Step-by-step explanation:

Raising her rate by 15% is equivalent to adding 15% of what she charged before to the original price.

Yes. C is the correct answer.

I need help with this please

Answers

Answer:

idek that looks like sum top tier math problem figure it out

Step-by-step explanation:

figure it out

please help ASAP will give brainleast to correct answer plus thank you!

Answers

Answer:

-31

Step-by-step explanation:

-15-9+(-7)

-15-9-7

-24-7

-31

Answer:

Is D

Step-by-step explanation:

Hope it helps you its -1

Solve for x NEED HELP

Answers

Answer:

about 16.571

...............

If the probability of an event happening is 0.45.

​What is the probability of the event NOT happening?
​A0.55
B0.50
C0.65

Answers

A.) 0.55
This is because the probability has to com out to 1 (technically 100%) so, 1-0.45 is 0.55 (these could all be percentages if you multiply them by 100)

verify X + y equal to y + X when:x=-8/9and y=-3/5​

Answers

Given:

[tex]x=-\dfrac{8}{9},\ y=-\dfrac{3}{5}[/tex]

To verify:

[tex]x+y=y+x[/tex]

Solution:

We need to verify,

[tex]x+y=y+x[/tex]

Taking left hand side, we get

[tex]LHS=x+y[/tex]

After substituting the values, we get

[tex]LHS=-\dfrac{8}{9}+\left(-\dfrac{3}{5}\right)[/tex]

[tex]LHS=-\dfrac{8}{9}-\dfrac{3}{5}[/tex]

[tex]LHS=\dfrac{-40-27}{45}[/tex]

[tex]LHS=\dfrac{-67}{45}[/tex]

Now,

Taking right hand side, we get

[tex]RHS=y+x[/tex]

After substituting the values, we get

[tex]RHS=-\dfrac{3}{5}+\left(-\dfrac{8}{9}\right)[/tex]

[tex]RHS=-\dfrac{3}{5}-\dfrac{8}{9}[/tex]

[tex]RHS=\dfrac{-27-40}{45}[/tex]

[tex]RHS=\dfrac{-67}{45}[/tex]

Clearly,

[tex]LHS=RHS[/tex]

Hence verified.

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