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Zielflug [23.3K]

3 years ago

Mathematics

1 answer:

lina2011 [118]3 years ago

5 0

I don’t understand. lol

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Let f(x)=7x^2-8. find f(a^2)

strojnjashka [21]

Answer:

$\large\boxed{f(a^2)=7a^4-8}$

Step-by-step explanation:

$f(x)=7x^2-8\\\\f(a^2)\to \text{put}\ x=a^2\ \text{to the equation of the function}\ f:\\\\f(a^2)=7(a^2)^2-8\qquad\text{use}\ (a^n)^m=a^{nm}\\\\f(a^2)=7a^{2\cdot2}-8\\\\f(a^2)=7a^4-8$

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Select the three ratios that represent the number of red cars to blue cars.

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Answer:

4 red cars 6 blue cars

Step-by-step explanation:

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Patel squeezed oranges so that his family could have fresh-squeezed juice for breakfast. He squeezed StartFraction 4 over 17 End

zhenek [66]

Answer:A

Step-by-step explanation:this is not true

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3 years ago

Reese read twice as many pages Saturday than she read Sunday. If she read a total of 78 pages over the weekend, how many pages d

eimsori [14]

Given:

Reese read twice as many pages Saturday than she read Sunday.

She read a total of 78 pages over the weekend.

To find:

The number of pages she read on Sunday.

Solution:

Let x be the number of pages she read on Sunday.

Reese read twice as many pages Saturday than she read Sunday. So, the number of pager she read on Saturday is 2x.

Total number of page she read over the weekend is:

$Total=x+2x$

$Total=3x$

She read a total of 78 pages over the weekend.

$3x=78$

$x=\dfrac{78}{3}$

$x=26$

Therefore, Reese read 26 pages on Sunday.

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3 years ago

Answer please it’s a big exam

melomori [17]

Answer:

Solve for be is 56

Step-by-step explanation:

That the answer

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3 years ago

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