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3 years ago

N^2-4n-32. Find the factored form for this trinomial

Mathematics

1 answer:

Lina20 [59]3 years ago

8 0

Answer:

Step-by-step explanation:

n²-4n-32

=n²-8n+4n-32

=n(n-8)+4(n-8)

=(n-8)(n+4)

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Changle. Show all work. Round each length to the nearest tenth and each angle to the

Sedaia [141]

Answer:

Part 1) $BC=12.2\ units$

Part 2) $m\angle A=55^o$

Part 3) $m\angle C=35^o$

Step-by-step explanation:

Part 1) Find AC

we know that

In the right triangle ABC of the figure

Applying the Pythagorean Theorem

$AC^2=AB^2+BC^2$

substitute the given values

$AC^2=7^2+10^2$

$AC^2=149\\AC=12.2\ units$

Part 2) Find the measure of angle A

we know that

In the right triangle ABC

$tan(A)=\frac{BC}{AB}$ ----> by TOA (opposite side divided by the adjacent side)

substitute the values

$tan(A)=\frac{10}{7}$

using a calculator

$m\angle A=tan^{-1}(\frac{10}{7})=55^o$

Part 3) Find the measure of angle C

we know that

In the right triangle ABC

$m\angle A+m\angle C=90^o$ ----> by complementary angles

substitute the given value

$55^o+m\angle C=90^o$

$m\angle C=90^o-55^o=35^o$

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3 years ago

A cone ha a volume of 27 pi cm cubed and a radius of 3 cm what is the height of the cone

vampirchik [111]

I answered this before and explained this but the answer is 3π I think. Hope this helps

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How many solutions does the equation -2 + 2y + 3 =3 have

jeka94

Answer: y = 1

so 1! hopefully I helped!

Step-by-step explanation:

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Tatiana [17]

10% as a decimal is 0.10

Hope this helps!

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sergiy2304 [10]

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