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3 years ago

12) Cut the Pumpkin Pie into slices 1/2, 1/4, 1/8, 1/16, 1/32, I need help

Mathematics

1 answer:

soldi70 [24.7K]3 years ago

5 0

Answer:

1/64, 1/128, 1/256

Step-by-step explanation:

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A sheet of printer paper is 8.5 inches by 11 inches. what is the area of the paper?

Natasha2012 [34]

8.5*11 is 93.5
That is the answer

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4 years ago

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Diana had a large stack of playing cards. She knew that 17 of them were kings. She took a sample of 30 cards and found 4 kings.

Mandarinka [93]

Answer:

Diana approximately had 128 cards

Step-by-step explanation:

Let n be the number of cards Diana had. She knows that

there are 17 kings among n cards
4 kings among 30 cards

Write a proportion:

$\dfrac{17}{n}=\dfrac{4}{30}$

Cross multiply:

$4n=17\cdot 30\\ \\4n=510\\ \\n=\dfrac{510}{4}=127.5\approx 128$

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3 years ago

100 POINTS & BRAINLIEST!

Kipish [7]

The answers are D&E hope this helped !

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3 years ago

Find the surface area (in terms of π) of a sphere if its volume is 972 π.

Sholpan [36]

Surface area of sphere is $Surface\,\,Area=324\pi$

Step-by-step explanation:

We need to find the surface area of the sphere while we are given volume of sphere = 972π

The formula used to find surface area is:

$Surface\,\,Area=4\pi r^2$

We need to find radius of sphere

We are given Volume = 972π, using this volume we can find radius of sphere

The formula used to find volume is:

$Volume=\frac{4}{3}\pi r^3$

Putting values and finding r

$972\pi =\frac{4}{3}\pi r^3$

$r^3=\frac{972\pi *3}{4\pi } \\r^3=729$

Taking cube root on both sides

$\sqrt[3]{r^3}=\sqrt[3]{729}\\ r=9$

So, Radius of sphere r=9

Now finding surface area:

$Surface\,\,Area=4\pi r^2$

$Surface\,\,Area=4\pi (9)^2$

$Surface\,\,Area=4\pi 81$

$Surface\,\,Area=324\pi$

So, surface area of sphere is $Surface\,\,Area=324\pi$

Keywords: Surface area of sphere

Learn more about Surface area of sphere at:

#leanwithBrainly

8 0

3 years ago

Question number 3 please help

Masteriza [31]

Answer:

Step-by-step explanation:

8 for every 10

30/10 = 3

8 x 3=24

3 0

2 years ago