3 years ago

Help please no links

Mathematics

1 answer:

andrezito [222]3 years ago

3 0

Answer:

Step-by-step explanation:

The question states you need a square. That means whatever you do, must leave a square number like 49 or 64

If you add 6 or 7 to 56 you do not get 64 A and C are both wrong.

If you subtract 7 from 56 you get 49 which is a perfect square and all 4 sides will equal 7.

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Solve for x. Round to the nearest tenth of a degree, if necessary.

ziro4ka [17]

Answer:

x ≈ 28.8°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin x = $\frac{opposite}{hypotenuse}$ = $\frac{AB}{AC}$ = $\frac{3.9}{8.1}$ , then

x = $sin^{-1}$ ( $\frac{3.9}{8.1}$ ) ≈ 28.8° ( to the nearest tenth )

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3 years ago

What is the solution?

Cloud [144]

The solution is x=16. hope it helps

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Tell whether the ordered pair is a solution of the linear system (-24,-10)

Dovator [93]

Answer:

IT is not

Step-by-step explanation:

Let's replace. If it's a solution, it means that BOTH equations has to be true.

$\left \{ {{-10=-5(-24)+22} \atop {-2(-24) +6(-10)=-12} \right.$

Now, the second equations seems good - $48-60 =-12$ indeed.

First alas isn't. RHS is 142, which is totally not the same as -10.

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2 years ago

Jasmine’s race time was 34.287 minutes.round her race time to the nearest 10th of a minute

amm1812

Hi!

34.287 rounded to the nearest tenth is 34.290

This is because 7 is greater than 5, so we would round it to the cloest tenth that is slightly higher than 7. =)

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3 years ago

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What are the steps to the Pythagorean theorem

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A squared + B squared = C squared

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3 years ago