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3 years ago

I don’t know if anyone will see you this but do not open a link that someone gives you for a answer

Mathematics

2 answers:

yKpoI14uk [10]3 years ago

7 0

Answer:

ok thanks for ur care my friend have a wonderful day

liq [111]3 years ago

5 0

Thanks for letting us know :). There are still tons of people who don't know this ;-;

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A vendor at a street fair sells popcorn in cones, all of height 9 inches. The

Tatiana [17]

Answer:

The sharing cone holds about 9 times more popcorn than the skinny cone.

Step-by-step explanation:

The volume of a cone is given by the following formula:

$V = \frac{\pi r^{2}h}{3}$

In which r is the radius and h is the height.

Two cones:

Both have the same height.

The sharing-size cone has 3 times the radius of the skinny-size cone.

Skinny:

radius r, height h. So

$V_{sk} = \frac{\pi r^{2}h}{3}$

Sharing size:

radius 3r, height h. So

$V_{sh} = \frac{\pi (3r)^{2}h}{3} = \frac{9\pi r^{2}h}{3} = 3\pi r^{2}h$

About how many times more popcorn does the sharing cone hold than the skinny cone?

$r = \frac{V_{sh}}{V_{sk}} = \frac{3\pi r^{2}h}{\frac{\pi r^{2}h}{3}} = \frac{3*3\pi r^{2}h}{\pi r^{2}h} = 9$

The sharing cone holds about 9 times more popcorn than the skinny cone.

3 0

3 years ago

Mr. Robbins spilled stain on part of a tiled floor. The whole section of floor was shaped like a rectangle. There were 45 square

IRISSAK [1]

Could be 5 x 9 floor or 15 x 3 floor.....

4 0

3 years ago

When Raphael solved the system below by using the method of elimination, he changed the second equation to -8x-2y=-2 what proper

galben [10]

For this case, what we are going to do is use the following property:
Multiply an equation by a scalar.
In this case, the scalar will be:
k = -2
We have then that equation 2 will be:
k * (4x + y) = k * 1
-2 * (4x + y) = - 2 * 1
-8x-2y = -2
Answer:
The property that justifies this manipulation is:
Multiply an equation by a scalar.

4 0

3 years ago

What is the solution to the equation 2(4-8x)+5(2x-3)=20-5x

9966 [12]

In this question, you're solving for x.

Solve for x:

2(4 - 8x) + 5(2x - 3) = 20 - 5x

Use the distributive property:

8 - 16x + 5(2x - 3) = 20 - 5x

8 - 16x + 10x - 15 = 20 - 5x

Combine like terms:

8 - 16x + 10x - 15 = 20 - 5x

8 - 6x - 15= 20 - 5x

-6x - 7 = 20 - 5x

Add 5x to both sides

-x - 7 = 20

Add 7 to both sides

-x = 27

Divide both sides by -1

x = -27

Answer:

x = -27

4 0

3 years ago

Read 2 more answers

NEED HELP ANSWERING ASAP !!

Neporo4naja [7]

Answer:

sorry can you write it down and take a pic of it

please that is the only way i can answer it

Step-by-step explanation:

8 0

4 years ago