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4 years ago

8

I need help with this

1 answer:

VikaD [51]4 years ago

4 0

This should help just try to use this

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F(5x)=3x^2+2x-2 find the function

frez [133]

Answer:

75x² + 10x - 2

Step-by-step explanation:

Substitute x = 5x into f(x), that is

f(5x) = 3(5x)² + 2(5x) - 2

= 3(25x²) + 10x - 2

= 75x² + 10x - 2

5 0

3 years ago

Simplify the expression 2 • (3 + 5 − 1) • 2

s2008m [1.1K]

I think the simplify expression is 2^2 x 7 = 28. Sorry if it is wrong

8 0

3 years ago

Read 2 more answers

Evie has two sets of blocks of identical size and shape with the colors given. Evie will randomly select on block from each set.

expeople1 [14]

Answer:

$\frac{8}{49}$

Step-by-step explanation:

Orange: $\frac{4}{7}$

Red: $\frac{2}{7}$

$\frac{4}{7} *\frac{2}{7} =\frac{8}{49}$

8 0

4 years ago

Leigh is going diving and needs to descend to a depth of 360 feet below sea level. She wants to do it in 12 equal descents. How

vesna_86 [32]

Answer:

30 feet

Step-by-step explanation:

If they are equal, just divide 360 by 12.

360 ÷ 12 = 30

6 0

3 years ago

-3x+y=-10 what does x equal?

olga_2 [115]

Step-by-step explanation:

First , Subtract y from both sides:

−3x = −10 −y

Second, Divide both sides by −3

x = $\frac{-10-y}{3}$

That's ur answer

Hope this helped u!!!

Good luck!!

4 0

3 years ago