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Vedmedyk [2.9K]
3 years ago
8

four spheres of radius 6cm fit into a cylinder with a height of 12cm. calculate the volume inside the cylinder that is empty. le

ave your answer in terms of pi.
Mathematics
1 answer:
butalik [34]3 years ago
7 0

Answer:

V = 432pi cm^3

Step-by-step explanation:

Pi x r^2 x h

Pi x 6^2 x 12 cm = 432 pi cm^3

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How many times greater is the value of the digit 8 in 82.77 than the value of the digit 8 in 20.18
Kitty [74]

Answer:

Option 3. 1,000 times

Step-by-step explanation:

we know that

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The value of digit 8 in 20.18 is 0.08

so

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3 0
3 years ago
A scientist wishes to estimate the mean breaking strength of a certain type of steel rod within 3.0 psi with 95% confidence. Bas
yaroslaw [1]

Answer:97 rods

Step-by-step explanation:

The number of steel rods for 95% confidence level

n=\left ( \frac{Z_\frac{\alpha }{2}\times \hat{\sigma }}{E} \right )^2

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Substituting values

n=\left ( \frac{1.96\times 15}{3}\right )^2

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Thus 97 rods is tested

6 0
3 years ago
Solve forx: (x – 3)/ 3 =4​
Nezavi [6.7K]

Answer:

x = 15

Step-by-step explanation:

=> x - 3 = 12

=> x = 15

8 0
3 years ago
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sineoko [7]
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6 0
2 years ago
Which of the following number sentences is an example of the associative property of multiplication?
sertanlavr [38]

Answer:

Option C and D are examples of associative property of multiplication.

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Option B is normal multiplication.

Hope this helps!

:)

3 0
3 years ago
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