2 years ago

Simplify the expression 3n+–9n+–8+–7n2

Mathematics

1 answer:

Lunna [17]2 years ago

3 0

Answer: -7n^2-6n-8

Step-by-step explanation:

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3 years ago

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Answer:

$n = 3\sqrt{2}$

There are two best ways to solve this.

using cosine method:

$cos(n) = \frac{adjacent}{hypotenuse}$

$cos(60) = \frac{adjacent}{6\sqrt{2} }$

$adjacent,n = cos(60) * 6\sqrt{2}$

$n = 3\sqrt{2}$

using sine method:

$sin(n) = \frac{opposite}{hypotenuse}$

$sin(30)= \frac{n}{6\sqrt{2} }$

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There are many ways, not to make it complex, these are the best ways to solve for n. Hope it helps ~

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2 years ago

Read 2 more answers

Last one please explain and give answer

nlexa [21]

4p - 5 (p + 6 )

4p - 5p - 30

-p -30

this is the answer.

hope it helps.

4 0

3 years ago

What is the answer I will appreciate it

Crank

Answer:

I think the answer is B

Step-by-step explanation:

sorry if i'm wrong

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4 years ago