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3 years ago

PLEASE LOOK AT PHOTO! WHOEVER ANSWERS CORRECTLY I WILL MARK BRAINIEST!!

Mathematics

2 answers:

Arada [10]3 years ago

8 0

Answer:

The measure of angle 1 is 78 degrees.

Step-by-step explanation:

A straight line has an angle of 180 degrees. We are assuming this is a straight line, meaning angle 1 and angle 2 together should add up 180 degrees. If the measure of angle 2 is 102, the measure of angle 1 should be supplementary, which is another mathematical way of saying it adds up to 180 degrees. The measure of angle 1 has to be 78 degrees to make the angles add up to 180 degrees.

RUDIKE [14]3 years ago

8 0

Answer:

M1=78°

Step-by-step explanation:

M1+M2= 180°........ Supl angles

M1+102°= 180°

M1=180° - 102°

M1= 78°

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kirill115 [55]

Answer:

1. Global warming / carbon emission

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Step-by-step explanation:

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2. Limited availability of earths resources as warranted the need to source for alternative means of energy

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3 years ago

If the endpoints of AB have the coordinates A(9, 8) and B(-1, -2), what is the midpoint of AB?

pickupchik [31]

The midpoint, if the endpoints are (x₁,y₁) and (x₂,y₂):
$(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})$

$(9,8) \\
x_1=9 \\ y_1=8 \\ \\
(-1,-2) \\
x_2=-1 \\ y_2=-2 \\ \\
\frac{x_1+x_2}{2}=\frac{9-1}{2}=\frac{8}{2}=4 \\
\frac{y_1+y_2}{2}=\frac{8-2}{2}=\frac{6}{2}=3$

The midpoint of AB is (4,3).

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Sergio039 [100]

Answer:

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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