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3 years ago

Help, will give brainiest!

Mathematics

1 answer:

Scrat [10]3 years ago

5 0

Answer:

The answer is (2) 4

Step-by-step explanation:

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Lines e and f are parallel. The mAngle9 = 80° and mAngle5 = 55°. Parallel lines e and f are cut by transversal c and d. All angl

brilliants [131]

Answer:

$(A)m\angle 2=125^\circ\\(C)m\angle 8=55^\circ\\(E)m\angle 14=100^\circ$

Step-by-step explanation:

The diagram of the problem is drawn and attached.

Given that:

$m\angle 9 =80^\circ\\m\angle 5 =55^\circ$

$m\angle 5+ m\angle 6=180^\circ\\55^\circ+ m\angle 6=180^\circ\\m\angle 6=180^\circ-55^\circ\\m\angle 6=125^\circ\\$Now:\\m\angle 6 = m\angle 2 $(Corresponging angles)\\Therefore m\angle 2=125^\circ\\$

$m\angle 5= m\angle 8=55^\circ $(Vertically Opposite Angles)$

Also

$m\angle 9+ m\angle 10=180^\circ\\80^\circ+ m\angle 10=180^\circ\\m\angle 10=180^\circ-80^\circ\\m\angle 10=100^\circ\\$Now:\\m\angle 10 = m\angle 14 $(Corresponging angles)\\Therefore m\angle 14=100^\circ\\$

4 0

3 years ago

Read 2 more answers

Help solve 9 = -7 -2y And show the steps

Snowcat [4.5K]

9 = -7-2y
9 +7=16

16/-2 -2y/-2

-8 = y

6 0

3 years ago

There are 12 boys and 16 girls in a classroom. Which represents the simplified ratio of girls to students in the

Arturiano [62]

Answer:

I think it is 4 to 3

Step-by-step explanation:

if I am wrong I'm sorry

3 0

3 years ago

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DG¯¯¯¯¯¯ , EG¯¯¯¯¯ , and FG¯¯¯¯¯ are perpendicular bisectors of the sides of △ABC . DG=5 cm and BD=12 cm.

jonny [76]

Given that DG, EG, and FG are perpendicular bisectors of the sides of △ABC, this means that the point of intersection, G, is the circumcenter of the triangle and hence AG, BG, and CG are equal.

Given that DG = 5 cm and BD = 12 cm, then

$BG= \sqrt{DG^2+BD^2} \\ \\ = \sqrt{5^2+12^2} = \sqrt{25+144} \\ \\ = \sqrt{169} =13$

Since AG = BG = CG, therefore, CG = 13 cm.

3 0

3 years ago

Which expression can be used to determine the slope of the line that passes through the points (–7, 3) and (1, –9)?

cluponka [151]

To determine the slope, you can use the following formula:

(y2-y1)/(x2-x1)

7 0

3 years ago

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