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Zina [86]
2 years ago
7

What is the factored form of 250x^3 − 16? A. 2(5x − 2)(25x2 + 10x + 4) B. 2(5x + 2)(25x2 − 10x + 4) C. (5x − 2)(25x2 + 10x + 4)

D. (5x + 2)(25x2 − 10x + 4)
Mathematics
1 answer:
Juli2301 [7.4K]2 years ago
5 0

Answer:

The choose A.

250 {x}^{3}  - 16 \\ 2(5x - 2)(25 {x}^{2}  + 10x + 4)

I hope I helped you^_^

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mezya [45]

Answer:

√27

Step-by-step explanation:

use the pythagorean theorem

3²+x²=6²

9+x²=36

x²=27

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x=√27

7 0
3 years ago
Jimmy cell phone plan has been a base charge of $50 per month with an additional charge of 65 cents per app downloaded. Lisa cel
Soloha48 [4]

Answer:

20

Step-by-step explanation:

We write what we know.

Jimmy

$50/mo   app 65¢ or .65

Lisa

$55/mo   app 40¢ or .40

a = number of apps

The difference will come from the number of apps, a.

We need them to equal each other so let's write an equation.

$50 + .65a = $55 + .40a

We need to solve for a.

$50 + .65a = $55 + .40a     subtract $50 for each side.

$50 - $50 + .65a = $55 - $50 + .40a

.65a = $55 - $50 + .40a

.65a = $5 + .40a     subtract .40a from each side

.65a - .40a = $5 + .40a - .40a

.65a - .40a = $5

.25a = $5   Divide each side by .25

.25a/.25 = $5/.25

a = $5/.25

a = 20

So Jimmy and Lisa need to download 20 apps for their bill to be the same.

7 0
3 years ago
5. Use the vertical method to multiply two trinomials.
Novay_Z [31]

Answer:

i think the answer is 19x^-2x+2

4 0
2 years ago
Read 2 more answers
Can sb explain why there's letters in math...????
andriy [413]
They're called variables (this sounds like vary because the number that a letter could represent varies) so when i say 1 + x = 3 it is saying that they don't know the value of x yet but of course you can solve that by subtracting 1 from 3 which is 2
5 0
2 years ago
Charlotte divided a whole pizza into 4 pieces. one piece formed a straight angle. one formed a right angle. two pieces formed ac
Minchanka [31]
You have to draw a pie graph.

The first piece (with the straight angle) cuts the pie in half. 

The second piece cuts the remaining half in halves (making a quarter).

The third and fourth pieces are the same as each other. So they must each have an angle of 45 degrees. Each of these is an eighth of the total pie.

Should be fairly easy. Good luck!
7 0
2 years ago
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