Tell whether the angles are complementary or supplementary. Then fir the value of x.

Mathematics

1 answer:

Helga [31]2 years ago

4 0

Answer:

Step-by-step explanation:

4. 10x + 30 = 90

10x = 60

x = 6

complementary

5. 4x + 40 + 3x = 180

7x + 40 = 180

7x = 140

x = 20

supplementary

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Step-by-step explanation:

The coefficient is the number that the variable is being multiplied by in an expression, so -5 would be the coefficient in the expression $-5g_{12}$ . The base would be the little subscript number that is next to the variable, so the base in the expression $-5g_{12}$ is 12.