3 years ago

Please help me ASAP !!

Mathematics

1 answer:

Nadya [2.5K]3 years ago

4 0

Answer:

Step-by-step explanation:

<1+<2=90 complementary

<1=4 times <2

X+4x=90

5x=90

X=18

<1=18×4=72 degrees

<2=18 degrees

<1=<3 because they are vertical

Do <3= 72

<3+<4=180 because they are supplementary

72+<4=180

<4=108 degrees

<3=72 degrees

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maksim [4K]

Part A Simplify:

Answer is - 12b + 6c + 18

Part B

Answer is (D)

Factor/simplify
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6(- 2b + c + 3)
= (6)(- 2b + c + 3)
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Step-by-step explanation:

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