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3 years ago

PLEASE HELP ME I NEED TO PASS THIS TEST

Mathematics

1 answer:

Evgesh-ka [11]3 years ago

6 0

Answer:

2a^2 + 2a - 11

Step-by-step explanation:

(2a^2-5) +(-6+2a)

substitute

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3) Divide x3 + 4x2 – 3x – 12 by (x + 4)

alex41 [277]

Answer:

Factor the numerator and denominator and cancel out the common factors.

x ^2 − 3 is your final answer.

Step-by-step explanation:

Hope that this helps you out! :)

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7 0

2 years ago

Using the slope formula, find the slope of the line through the given points.

Reika [66]

Answer: Start with y2-y1/x2-x1

-4+7/-6+3

Answer=2.5 or 5/2

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Step-by-step explanation:

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1 year ago

What is the product?

Alona [7]

Answer:

$\boxed{- 12 {s}^{2} + 11st - 2 {t}^{2} }$

Step-by-step explanation:

$= > ( - 3s + 2t)(4s - t) \\ \\ = > - 3s(4s - t) + 2t(4s - t) \\ \\ = > ( ( - 3s) \times 4s )- (( - 3s) \times t) + (2t \times 4s) - (2t \times t) \\ \\ = > - 12 {s}^{2} - ( - 3st) + 8st - 2 {t}^{2} \\ \\ = > -12 {s}^{2} + 3st + 8st - 2 {t}^{2} \\ \\ = > - 12 {s}^{2} + 11st - 2 {t}^{2}$

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3 years ago

Shane downloaded 7 songs in 3 minutes. At this rate how many songs can he download in 1 1/2 hours

ch4aika [34]

He can download 210 songs in 1 1/2 hours. First, you find how many minutes is 1 1/2 hours which is 90, the divide 90/3 and it is 30. So, all you need to do is multiply 30 and 7 together and you get your rate

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2 years ago

Evaluate C(7,3)<br> A.) 4<br> B.) 35<br> C.) 70

butalik [34]

Answer:

math

way

.com

Step-by-step explanation:

6 0

3 years ago

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