3 years ago

Z i = -5 3 , có R 1 1 e z z = 5, Im 3 = -

Mathematics

1 answer:

MAVERICK [17]3 years ago

4 0

Your answer will be 2m

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Is -9.5 greater than -9.05

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A problem states: "There are 9 more pencils than pens in a container. There are 25 writing utensils in the container in all. How

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Step-by-step explanation:

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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.

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3 years ago

A student simplified -(2-n) to the expression n-2. Did the student simplify correctly? Why or why not?

Vitek1552 [10]

Yes bc when I simplified it I got -2+n but that's just written a different way

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− 4x − 7y = 15 4x − 2y = − 6

BartSMP [9]

Answer:

x= -2 y= -1

Step-by-step explanation:

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