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2 years ago

14

HELP PLEASE ASAP!!!! 20 POINTS!!!!

1 answer:

Shalnov [3]2 years ago

8 0

$\text{The formula of a midpoint:}\\\\\left(\dfrac{x_1+x_2}{2};\ \dfrac{y_1+y_2}{2}\right)\\\\\text{We have}\ R(-2b,\ 2c)\ \text{and}\ T(-2a,\ 0).\ \text{Substitute:}\\\\x=\dfrac{-2b+(-2a)}{2}=\dfrac{-2b}{2}+\dfrac{-2a}{2}=-b-a\\\\y=\dfrac{2c+0}{2}=\dfrac{2c}{2}=c\\\\Answer:\ \boxed{b.\ (-a-b,\ c)}$

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mylen [45]

-15

Reason:

First, use the distributive property

3(2p - 5) - 6p = 6p - 15 - 6p = -15

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2 years ago

A traffic helicopter descends 154 meters to be 313 meters above the ground. What was the original height of the helicopter? Let

ANEK [815]

Answer:

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so the original height of the helicopter is 529 meters

Step-by-step explanation:

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2 years ago

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The striton family had a meal catered for a wedding rehearsal dinner.the cost of the dinner was 476.there was a 5% sales tax and

Leokris [45]

476.00×5%=23.80 tax=476+23.80=499.80
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3 0

3 years ago

Which graphed line represents an equation of a line with a slope of -1 and a point on the line of (1, - 1)? A) red line

mamaluj [8]

Answer:

y = -x

Step-by-step explanation:

slope = change in y/change in x

slope = -1

Find the y-intercept

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2 years ago

valentinak56 [21]

No, because the sample was not random

8 0

2 years ago

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