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3 years ago

Which statement is true?

1 answer:

7 0

Hello there!

The answer is C.
-----------------------------------------------------------------------------------------------------

Explanation:

The value of 7 in 75 is 70.

The value of 7 in 7.5 is 7

Now, we must find how many time 7 goes into 70

70/7 = 10

This means that The value of 7 in 75 is 10 times the value in 7.5

I hope I helped!

Let me know if you need anything else!

~ Zoe

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Answer:

The lines are perpendicular

Step-by-step explanation:

we know that

If two lines are parallel, then their slopes are the same

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

Remember that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

Find the slope of the first line

we have the points

(-3,-1) and (1,-9)

substitute in the formula

$m_1=\frac{-9+1}{1+3}$

$m_1=\frac{-8}{4}$

$m_1=-2$

Find the slope of the second line

we have the points

(1,4) and (5,6)

substitute in the formula

$m_2=\frac{6-4}{5-1}$

$m_2=\frac{2}{4}$

Simplify

$m_2=\frac{1}{2}$

Compare the slopes

$m_1=-2$

$m_2=\frac{1}{2}$

Find out the product

$m_1*m_2=(-2)(\frac{1}{2})=-1$

therefore

The lines are perpendicular

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3 years ago

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Solve for w. | – w|≥2 Write a compound inequality like 1 < x < 3 or like x < 1 or x > 3. Use integers, proper fracti

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Answer:

$-2 \geq w \geq 2$

Step-by-step explanation:

Given

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Required

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Removing the absolute sign, will gibe

$w \geq 2$ or $w \leq -2$

When the second inequality os rewritten, it gives

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Reorder both inequalities

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$-2 \geq w \geq 2$

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3 years ago

Which letters have 1-fold reflectional symmetry?

Veseljchak [2.6K]

capital A

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3 years ago

Need help! Law of cosines...find b round to the nearest tenth please

dusya [7]

ANSWER

$B = 27.8 \degree$

EXPLANATION

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${b}^{2} = {a}^{2} + {c}^{2} - 2bc \cos(B)$

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a=17, b=8, c=16

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3 years ago

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