3 years ago

7th grade math please help would be nice

Mathematics

1 answer:

Mama L [17]3 years ago

5 0

Answer:

Step-by-step explanation:

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Questions 3-5 please and thank you

vekshin1

Answer:

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3 years ago

Find the area please

tatuchka [14]

Answer:

Step-by-step explanation:

Recall that the area of a triangle is given by:

$\displaystyle A = \frac{1}{2} bh$

In this case, the base is x and the height is y. Hence:

$\displaystyle A = \frac{1}{2} xy$

We can write the following ratios:

$\displaystyle \sin \alpha = \frac{x}{12} \text{ and } \cos \alpha = \frac{y}{12}$

Solve for x and y:

$\displaystyle x = 12\sin \alpha \text{ and } y = 12\cos \alpha$

Substitute:

$\displaystyle A = \frac{1}{2}\left(12\sin \alpha\right)\left(12\cos \alpha\right)$

And simplify. Hence:

$\displaystyle A = 72\sin \alpha \cos\alpha$

In conclusion, our answer is D.

6 0

2 years ago

8 + (-4) equals what?

kramer

Answer:

4 Can I have brainiest me trying to level up

Step-by-step explanation:

Let's make the parenthesis go bye

8-4

so it would be 4

3 0

3 years ago

Read 2 more answers

842.72+412.38+1/8+1/2=

tatuchka [14]

the answer will be 1255.725

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3 years ago

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(I am giving branlest) (plz help only if you understand )

Vladimir [108]

Answer:

its 11/14 so its B hope this helps

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2 years ago