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iren2701 [21]
3 years ago
14

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

Mathematics
1 answer:
Shalnov [3]3 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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SOMEONE HELP PLEASE NEED ANSWER ASAP!!!
shepuryov [24]

Answer:

3

Step-by-step explanation:

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3 0
3 years ago
Draw a line having a slope of 1/3 and y-intercept of -1
Lilit [14]
Equation for slope=1/3 and y-intercept=-1 is:
y = mx + b
where m is slope and b is y-intercept.
So, equation becomes
y = -1x + 1/3
Now put different values of x in the equation to get corresponding value of y.
x          y
0         1/3
1        -2/3
2        -5/3
3        -8/3
-1       4/3
-2       7/3
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8 0
2 years ago
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Margaret [11]

Answer:

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7 0
2 years ago
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DENIUS [597]

Answer:

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Step-by-step explanation:

Firstly we solve the equation two at a time;

5n + 17 ≥ n - 3

5n - n ≥ -3 - 17

4n ≥ -20

n ≥ -5

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n - 3 ≥ -15 + 5n

n - 5n ≥ -15 + 3

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-n ≥ -3

n ≤ 3

Therefore,

5n+17 ≥ n–3 ≥ –15+5n, becomes

-5 ≤ n ≤ 3

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