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2 years ago

Find the volume of the sphere. Round your answer to the nearest tenth.

Mathematics

1 answer:

dusya [7]2 years ago

8 0

Answer:

Step-by-step explanation:

Remark

All you need do is find the radius and put it into the formula V = (4/3) pi r^3.

Givens

d = 12 yards

r = d/2

Solution

r = 12 yds/2 = 6 yds

V = 4/3 pi r^3

V = 4/3 * 3.14 * 6*6*6

V = 904.32

Answer 904.4 yd^3

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You cut 63 meters of rope into 9 equal pieces. How long is each equal piece of rope?

Rama09 [41]

7 Meters. 63/9=7

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3 years ago

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What is the area of a circle, if it's radius is 2cm?

slega [8]

25.13cm^2 or 8pi. The radius of a circle is 2 x pi x r^2. R is the radius. 2 x pi x 2^2cm -> 2 x pi x 4cm -> 8cm x pi -> 25.13cm^2. Leaving the answer in terms of pi would be 8pi.

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3 years ago

What number will fill in the blank ...... 1/3 = (blank)/6

diamong [38]

Answer:

Step-by-step explanation:

1/3 = x/6

Equivalent fractions.

Multiply 3 by 2 for x

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3 0

3 years ago

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Given the rule, find the 8th term in the arithmetic<br> sequence.<br> an =3n + 4

dybincka [34]

Answer:

You simply substitute 8 for n

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4 0

2 years ago

Beth will borrow $10,000 which earns 4% compound interest and she will repay that amount in 20 years. How much interest was earn

Serggg [28]

Answer:

$I=\$11,911.23$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the amount that she will repay

P is the amount borrowed

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=20\ years\\ P=\$10,000\\ r=0.04\\n=1$

substitute in the formula above

$A=10,000(1+\frac{0.04}{1})^{1*20}$

$A=10,000(1.04)^{20}$

$A=\$21,911.23$

Find out the interest

$I=A-P$

substitute the values

$I=\$21,911.23-\$10,000=\$11,911.23$

5 0

3 years ago