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3 years ago

If Anna gives Me half of her pumpkins and Coral half of whats left and she ends with 6 how many pumpkins did she start with?

2 answers:

7 0

Let's take x as the amount of pumpkins she have left

x=6
2×x=2x
=6×2
=12(after Anna gave me half of what she had)

12×2=24(what Anna had at first)

hope it helps! sorry if the answer is wrong

Gwar [14]3 years ago

6 0

X- the number of pumpkin she had initially
she gave you x/2
x-x/2=x/2
(x/2)/2=x/4(she gave Coral)
x/2-x/4=x/4
x/4=6
x=24

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3 years ago

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3 years ago

The cylinders are similar the volume of the larger cylinder is 1600 cubic centimeters what is the volume of the smaller cylinder

cestrela7 [59]

We are given Volume of the larger cylinder is = 1600 cubic centimeters.

Height of the larger cylinder = 16 cm.

We know formula of volume of a cylinder V= $\pi r^2h$ , where r is the radius of cylinder, h is the height of the cylinder.

Plugging value of V and h of larger cylinder, we get

$1600=\pi r^2(16).$

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$\frac{1600}{16}=\frac{\pi r^2 (16)}{16}$

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Taking square root on both sides, we get

r=10.

Therefore, radius of the larger cylinder is 10 cm.

We are given cylinders are similar .

<u>Note: The radii and heights of similiar cylinders are in same ratio.</u>

Therefore, we can setup a proportion:

Let us take radius of small cylinder is x.

$\frac{x}{10}=\frac{4}{16}$

$\frac{x}{10}=\frac{1}{4}$

Multiplying both sides by 10, we get

$10 \times \frac{x}{10}=10 \times\frac{1}{4}$

x=2.50.

Therefore, radius of the small cylinder = 2.5 cm.

Now, plugging radius =2.5 and height = 4 in the formula of volume the cylinder, we get

$V=\pi (2.5)^2(4)=\pi (6.25)(4) =25 \pi \ cm^3.$

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3 years ago

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Answer:

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2 years ago

Lita has 12 marbles after she gave to marbles to Emily she has 10/12 of her marbles left what fraction of the marbles did pita g

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3 years ago

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