3 years ago

Please help. Will give brainlist if correct

Mathematics

2 answers:

m_a_m_a [10]3 years ago

6 0

Answer:

Step-by-step explanation:

When you divide, just subtract the exponents

sertanlavr [38]3 years ago

5 0

Answer:

The correct answer is C.

Step-by-step explanation:

- $5^{7}$ ÷ - $5^{2}$ = 3125

5 × 5 × 5 × 5 × 5 = 3125

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Answer:

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Step-by-step explanation:

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3 years ago

Evaluate the algebraic expression for the value given: -3x + X +9;=2*8)1

Strike441 [17]

y =-3x + x + 9

Find y when x = 2

Substitute the value of x= 2 into the equation

y = -3(2) + 2 + 9

y = - 6 + 2 + 9

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The answer is 5

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1 year ago

I don't even know how to figure this out. I don't have a formula for this

yuradex [85]

Answer:

$\sin\theta=\dfrac{15}{17}$

$?=15$

Step-by-step explanation:

Use the trigonometry formula

$\cos^2\theta+\sin^2\theta=1$

You are given that

$\cos \theta=\dfrac{8}{17}$

Substitute into the first formula

$\left(\dfrac{8}{17}\right)^2+\sin^2\theta=1\\ \\\dfrac{64}{289}+\sin^2\theta=1\\ \\\sin^2\theta=1-\dfrac{64}{289}=\dfrac{289-64}{289}=\dfrac{225}{289}\\ \\\sin \theta=\pm \dfrac{15}{17}$

Angle $\theta$ is acute angle, then the sine of this angle is positive and

$\sin\theta=\dfrac{15}{17}$

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4 years ago

Select all expressions that are equivalent to 2x+2+4x-2x-5 **

Umnica [9.8K]

The answer that you’re looking for is B & D

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3 years ago

Which numbers are the extremes of the proportion shown below?

prisoha [69]

A

Mark brainliest please mark

Hope this helps you

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3 years ago

Read 2 more answers