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Slav-nsk [51]
3 years ago
14

Find the midpoint of a segment whose endpoints are (-9,5) and (5,-1)

Mathematics
1 answer:
Rainbow [258]3 years ago
5 0

The formula of a midpoint:

\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)

We have

(-9, 5), (5, -1)

Substitute:

\dfrac{-9+5}{2}=\dfrac{-4}{2}=-2\\\\\dfrac{5+(-1)}{2}=\dfrac{4}{2}=2

<h3>Answer: B) (-2, 2)</h3>
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Aleks04 [339]

Answer:

P(S ∪ T) = 3/4

Step-by-step explanation:

Given:

  • P(S) = 5/8
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P(S ∪ T) = P(S) + P(T)

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6 0
3 years ago
Desk cost $349.50 once delivered invoice reflects $387.22. If tax is 7.5% how much was the shipping charge?
MariettaO [177]

Answer:

Shipping charge was $11.51

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(1.075)($349.50) = $375.71 (cost of desk, with tax, without shipping)

Subtracting this amount from the total paid, $387.22, we get $11.51 as the shipping charge.

Check:  Does $349.50 + $11.51 + $24.47 = $387.22?  Yes


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4 years ago
An equation is shown -4/5 (9x-20)-3x 4/5 x -6
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