Find the variable in the figure. The diagram is not to scale.
Volume=16π

Find The Variable In The Figure. The Diagram Is Not To Scale. Volume=16

Answers

Answer 1

r = 2

The volume of a cone can be found using the following equation

[tex]V = r^2\frac{h}{3} \pi[/tex]

After putting in the information that we already know we get

[tex]16\pi = r^2\frac{12}{3} \pi \\16\pi = r^2(4) \pi \\4 = r^2\\ r = 2\\[/tex]

For proof's sake, we can try the equation again with the information we know

[tex]V = r^2\frac{h}{3} \pi \\V = 2^2\frac{12}{3} \pi \\V =4(4) \pi \\V = 16\pi[/tex]


Related Questions

Pls I need help someone pls help me

Answers

I think it’s 7.14 or atleast that’s what I got
I think it’s 7 but I’m not sure

The diameter of a sphere is multiplied by 1/5. What is the effect on the surface area?



Answer choices:

5 times bigger
5 times smaller
25 times bigger
25 times smaller
15 times bigger
15 times smaller
125 times bigger
125 times smaller
Answer is not here

Answers

Answer:

25 times smaller

Step-by-step explanation:

Scale factor is:

k = 1/5

Ratio of surface areas is:

k² = (1/5)² = 1/25

Surface area will be 25 times smaller

Correct choice is D

We know the ratio of sides to area

a/b=a²/b²

So

If diameter is multiplied by 1/5

Surface are increases

(1/5)²1/25

25 times smaller

OMLLLL PLS HELP LOLLL OMG!



Diana invests $4000 for two years at a rate of 2.5%. How much interest will she earn?

a
$200
b
$4200
c
$20
d
$2,000

Answers

Answer:

D: $2,000

Step-by-step explanation:

If im wrong contact me at Mousycritter#2842 on discor.d if you seek more help

Answer might be D not to sure

The high temperatures for the last seven days are: High Temperatures: 81, 78, 83, 89, 80, 87, 78

Find the MEDIAN of the temperatures.

Answers

Answer:

81

Step-by-step explanation:

Find the Surface Area SA=2lw+2lh+2hw Length = 4 cm Height = 3 cm Width = 2cm

A. 24cm squared
B. 26cm squared
C. 52cm squared
D. 9cm squared

Answers

Answer:

solution given:

the Surface Area SA=2lw+2lh+2hw

Length = 4 cm

Height = 3 cm

Width = 2cm

we have

the Surface Area SA=2lw+2lh+2hw=2×4×2+2×4×3+2×3×2=52cm²

its

C. 52cm squared

Which set of ordered pairs (x, y) could represent a linear function of x?? A ((-2,8), (0,4) , (2, 3) , (4,2)) B ((1,2), (1,3),(1,4), (1,5)) C ((-2,7) , (0,12),(2,17),(4,22)) D ((3,5), 4,7) , (3, 9) , (5,11))

Answers

Answer:

A linear function is when it goes up the same amount each time. The first one does because it increases by 2 each time, so A

Step-by-step explanation:

Find the distance between the two points.​

Answers

Answer:

[tex]\sqrt{61}[/tex]

Step-by-step explanation:

Calculate the distance d using the distance formula

d = [tex]\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }[/tex]

with (x₁, y₁ ) = (- 2,- 4) and (x₂, y₂ ) = (4, 1)

d = [tex]\sqrt{(4-(-2))^2+(1-(-4))^2}[/tex]

   = [tex]\sqrt{(4+2)^2+(1+4)^2}[/tex]

    = [tex]\sqrt{6^2+5^2}[/tex]

    = [tex]\sqrt{36+25}[/tex]

    = [tex]\sqrt{61}[/tex]

What is the the perimeter?

Answers

Answer:

300

Step-by-step explanation:

Add all outside values (height is irrelevant) to receive the perimeter

You get the answer of 300

Hope this helps

help ASAP show the work, no links pleaseee

Answers

3x+2(x+20)=180
3x+2x+40=180
5x=180-40
5x=140
x=28

Answer:

x = 28

Step-by-step explanation:

AB= AC

∠B = ∠C    {Angles opposite to equal sides are equal}

∠A + ∠B + ∠C = 180    {angle sum property}

3x + x + 20 + x + 20 = 180 {Combine like terms}

3x +x +x + 20 + 20 = 180

          5x + 40 = 180          {subtract 40 from both sides}

                   5x = 180 - 40

                  5x = 140      {divide both sides by 5}

                    x = 140/5

x = 28

A section of a deck is shaped like a trapezoid. For this section, the length of one base is 29 feet, and the length of the other base is 24 feet. The height is 12 feet. What is the area of this section of the deck?

Answers

Answer:

A=318

Step-by-step explanation:

A= a+b/2h=24+29/2.12=318

write 3^n / 9^n-1 as a power of 3

Answers

Answer:

(1/3)³ = 1/27

Step-by-step explanation:

(3^n / 9^n-1)^3 =

3^3n / 1 x 1 / 9^3n-3 =

(1/3)^3 = 1/27

How can we use the zero product property to determine the solutions (roots/zeros/x-intercepts) of a quadratic equation??

Answers

Roots/zero because wait is that what you said

The tree diagram below illustrates the possible outcomes of three tosses of a balanced coin. What is the probability that “heads” will come up exactly two out of three times
please explain step by step

Answers

Answer:   3/8

3/8 = 0.375 = 37.5%

====================================================

Explanation:

Start at the very left hand side of the diagram. Also, start at the top as well. So you'll start at "heads". Trace along the top most path and you'll get "heads, heads, heads". This says we got 3 heads in a row. But we want a case where heads only comes up exactly twice. So we rule out this scenario.

Go back to the first "heads". Now trace along the top, but don't land on that third "heads". Instead, go to the "tails" that is underneath in that last column. So you'll have "heads, heads, tails". This time we got exactly two heads out of three tosses. Off to the side somewhere, make a tally of how many times this scenario happens. Another time it happens is when we get "heads, tails, heads". Another time is when you get "tails, heads, heads".

There are only three situations where we get exactly two heads out of three tosses. This is equivalent to the event "getting exactly one tail", so that might be an easier scenario to track down.

If you traced out all of the possible paths, you would find that there are 8 different paths. Note how 2^3 = 2*2*2 = 8 is a numerical way to compute this, due to the fact that each coin toss has 2 outcomes and we have three tosses total.

Since we have three outcomes where we got exactly two heads, out of 8 outcomes total, this leads to the answer being 3/8

Side note: 3/8 = 0.375 = 37.5%

----------------------

We could also solve this problem by listing out all the possible scenarios. I'll use H for heads and T for tails. Something like HHT means we got heads twice in a row, then tails later. The order matters.

Listed below are the 8 possible outcomes. The items in bold represent situations where we get exactly two heads, which is the same as getting exactly one tail.

HHHHHTHTHHTTTHHTHTTTHTTT

The order of each of those eight items is the same as the order if you were to trace out the possible paths of the table given (starting at the top and moving down). We can see that there are 3 cases where we get exactly two 'H's out of 8 possible outcomes total. So that's another way to arrive at 3/8

The expression 6x - 4 represents the diameter of a circle. The radius is 16 inches. What is the value of x?

Answers

Answer: 6

Step-by-step explanation:

Firstly, it should be noted that the diameter of a circle is twice its radius. In this case, the diameter of the circle will be:

Diameter = Radius × 2

Diameter = 16 × 2 = 32 inches

Therefore, to solve for x goes thus:

6x - 4 = 32

6x = 32 + 4

6x = 36

x = 36/6

x = 6

Find the missing value

Answers

- 8 + 6 = - 2

Step-by-step explanation:

-2 = [-8] + 6

-TheUnknownScientist

Hey I need help for this question.!!!

Answers

Answer:

I don't know but I really need points I'm so sorryyyyy

1. $350 at 5% for 4 years

Answers

Answer:

285 $

Step-by-step explanation:

350 * [tex]0.95^4[/tex]

0.95 if the amount of money is going down if the amount of money is going up it will be 350 * 1.05^4

If it is decreasing subtract 5% from 100% and if its increasing add 5% to 100%.

Answer:

I around up: the anwer I  got was 425.43

Step-by-step explanation:

Work out
5
9

1
3
Give your answer in its simplest form.

Answers

4 7/13
I believe that thats the answer

find the means 01023 234​

Answers

Answer:

This is not really clear, I will assume that the values in the question are:

{0, 1, 0, 2, 3, 2, 3, 4}

For a set of N elements, {x₁, x₂, ..., xₙ}

The mean of the set is given by:

[tex]Mean = \frac{x_1 + x_2 + ... + x_n}{N}[/tex]

In the case of our set, {0, 1, 0, 2, 3, 2, 3, 4}, we have 8 values.

Then the mean of our set is:

[tex]Mean = \frac{0 + 1 + 0 + 2+ 3 + 2 + 3 + 4}{8} = \frac{15}{8} = 1.875[/tex]

A map has a scaling that 5cm = 2km.

How many kilometers are represented by 2cm?

Answers

Answer:

0,8 km

Step-by-step explanation:

5cm= 2km

2cm=x

x=2 km × [tex]\frac{2cm}{5cm}[/tex]=0,8 km

help needed asap will give brainliest

Answers

Answer:

the corect answer for this question is (-x,y)

answer for brainlest and 10 points

Answers

Answer: Rational

Explanation:

Any number that can be written as a fraction or mixed number is rational.

57.63004 can be written as [tex]57\frac{63004}{100000}[/tex] , therefore it is rational.

10 POINTS!! NO LINKS!! I WILL REPORT BUT HELP A GIRL OUT PLSSS If the standard deviation of a data set were originally 4, and if each value in
the data set were multiplied by 1.75, what would be the standard deviation of
the resulting data?

Answers

7

4x1.75 is 7

im not the smartest so wait for more answers just in case

Sam bought 16 pounds of rice for $7.
How many dollars did he pay per pound of rice?
dollars per pound

Answers

Sam paid $2.29 per pound of rice

Write a formula you could type into a spreadsheet to compute the value of each expression.

Type your responses in the spaces below. NO SPACES IN ANSWERS!!!



a. (19.2)⋅73

b. 1.1^5

c. 2.34÷5

d. 91/7

Answers

I believe it’s answer C

URGENT PLEASE, I don't know how to do this

Answers

Answer:

20x +1

Step-by-step explanation:

do the exponite first. 4X4=16. then add on 4x, 16x+4x=20x, then add on 1

There are 5 people at a party. They decide to share 3 ice cream sandwiches equally.
Which model shows how much of the ice cream sandwiches each person will get?
C.
D

Answers

Probably d because i don’t think it can be C

Answer:

The answer should be B bc there is a fraction of 3 over 5

Can anyone help me with this please
No links or I’ll report it .
I’ll mark you as a brainliest.

Answers

Answer:

75 sq units

Step-by-step explanation:

A = lw

l = OP = distance between (9, 6) and (0, -6)

          = [tex]\sqrt{(9 - 0)^{2} + (6 + 6)^{2} }[/tex]

         = [tex]\sqrt{81 + 144)} = \sqrt{225} = 15[/tex]

w = MP =  distance between (-4, -3) and (0, -6)

            = [tex]\sqrt{(-4 - 0)^{2} + (-3 + 6)^{2} }[/tex]

            = [tex]\sqrt{16 + 9} = \sqrt{25} = 5[/tex]

A = 15(5) = 75 sq units

Help 15 points for the answer

Answers

Answer:

3x² + 7x + 6

Step-by-step explanation:

Big Rectangle:

A = bh

A = (x + 3)(x + 2)

A = x² + 2x + 3x + 6

A = x² + 5x + 6

Small rectangle:

A = bh

A = (x + 1)(2x)

A = 2x² + 2x

Combined:

x² + 5x + 6 + 2x² + 2x

3x² + 7x + 6

A square pyramid has which of the following faces.
A) 4 rectangles and 1 square
B) 1 square and 4 triangles
C) 2 squares and 4 rectangles
D) 6 squares
E) 1 square and 3 triangles

Answers

Answer:

B

Step-by-step explanation:

because there's one square on the bottom and four triangles on the sides

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