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3 years ago

7

The radius of a soccer ball is 4 inches. Approximately what volume of air can it hold? Use 3.14 for Round to the nearest tenth o

f a cubic inch. Recall the formula

2 answers:

sweet-ann [11.9K]3 years ago

6 0

Answer:

267.9

Step-by-step explanation:

Debora [2.8K]3 years ago

4 0

Answer:

the answer is 267.9 cubic inches

Step-by-step explanation:

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What is the coeffieent of (x^4)(y^4) in the expansion of (x+y)^8

kap26 [50]

ANSWER

The coefficient is 70.

EXPLANATION

The given binomial expression is

$(x+y)^8$

The specific term of a binomial expansion can be determined using the formula,

$T_{r+1}= nC_ra^{n-r}b^r$
where

$n=8,r=4,a=x,b=y$

We substitute these values into the formula to get,

$T_{4+1}= 8C_4x^{8-4}y^4$

We simplify to get,

$T_{5}= 70x^{4}y^4$

Hence the coefficient is 70.

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3 years ago

if karen was 27 and her oldest brother was 29 years older and and there dad was 22 when Karen was born how old is the dad?

g100num [7]

Answer:

49

Step-by-step explanation:

When Karen was born, the dad is 22 so Karen is now 27 which means the dad is 22+27= 49

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3 years ago

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Someone help me out with this

Trava [24]

Answer:

<u>4x = 20</u>

<u>x = 5</u>

<u></u>

Step-by-step explanation:

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3 years ago

Victoria borrowed $500 for college textbooks. The interest rate was 6%. She plans to pay back her loan in 6 months. How much wil

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3 years ago

Solve for w. 5w + 9z = 2z + 3w w = w equals negative StartFraction 7 Over 2 EndFraction z.Z w = w equals negative StartFraction

TEA [102]

Answer:

w = -7z/2

Step-by-step explanation:

We need to solve for w in terms of z.

The equation given is:

5w + 9z = 2z + 3w

Collect like terms:

5w - 3w = 2z - 9z

2w = -7z

w = -7z/2

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3 years ago

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