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3 years ago

9

The average weight of a basketball is 21 1/8 ounces.the average weight of a baseball is 5 2/8 ounces. How many more ounces does

the basketball weigh?

1 answer:

s344n2d4d5 [400]3 years ago

5 0

Answer:

26 3/8

Step-by-step explanation:

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arrange the expressions in the correct sequence to rationalize the denominator of the expression -(2)/(\sqrt(x+y-2)-\sqrt(x+y+2)

cupoosta [38]

We have to rationalize the denominator:
$\frac{-2}{ \sqrt{x+y-2} - \sqrt{x+y+2} } = \\ \frac{-2}{ \sqrt{x+y-2} - \sqrt{x+y+2} }* \frac{ \sqrt{x+y-2}+ \sqrt{x+y+2} }{ \sqrt{x+y-2}+ \sqrt{x+y+2} }= \\ \frac{-2*( \sqrt{x+y-2}+ \sqrt{x+y+2}) }{x+y-2-(x+y+2)}= \\ \frac{-2*( \sqrt{x+y-2}+ \sqrt{x+y+2}) }{x+y-2-x-y-2}= \\ \frac{-2*( \sqrt{x+y-2}+ \sqrt{x+y+2} }{-4}= \\ \frac{ \sqrt{x+y-2}+ \sqrt{x+y+2} }{2}$

6 0

2 years ago

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Thepotemich [5.8K]

Answer:

Step-by-step explanation:

D

4 0

3 years ago

Simplify. Can you explain it also?

Doss [256]

Answer:

The answer is

<h2> $\frac{3c}{4e}$ </h2>

Step-by-step explanation:

<h3> $\frac{9 {c}^{3}d {e}^{2} }{12 {c}^{2} d {e}^{3} }$ </h3>

To solve the fraction reduce the fraction with d

That's we have

<h2> $\frac{9 {c}^{3} {e}^{2} }{12 {c}^{2} {e}^{3} }$ </h2>

Next simplify the expression using the rules of indices to simplify the letters in the fraction

<u>For c </u>

Since they are dividing we subtract the exponents

We have

<h2> ${c}^{3} \div {c}^{2} = {c}^{3 - 2} = c^{1} = c$ </h2>

<u>For </u><u>e</u>

<h2> $e^{2} \div {e}^{3} = e^{2 - 3} = {e}^{ - 1} = \frac{1}{e}$ </h2>

Substituting them into the expression we have

<h2> $\frac{9c}{12e}$ </h2>

Reduce the fraction by 3

We have the final answer as

<h2> $\frac{3c}{4e}$ </h2>

Hope this helps you

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3 years ago

Which equation has a solution of n = 4?

Allushta [10]

Answer:

D. 7n = 28

Step-by-step explanation:

Let's substitute 4 for n in each equation to check if it the resulting equation is correct:

$6+n=24\\ 6+4=24\\ 10\neq 24\rightarrow \text{Incorrect!}$

$5n=54\\5(4)=54\\20\neq54\rightarrow\text{Incorrect!}$

$12-n=16\\12-4=16\\8\neq16\rightarrow\text{Incorrect!}$

$7n=28\\7(4)=28\\28=28\rightarrow\text{Correct!}$

Therefore the answer is D

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2 years ago

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According to data from the U.S. Department of Education, the average cost y of tuition and fees at public four-year institutions

lianna [129]

Answer:

D

Step-by-step explanation:

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3 years ago

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