Mathematics: K(n)=2n-2. find k(-4)

K(n)=2n-2. find k(-4) - id2247945852, monae2116

nadiamckinney

29.01.2022

x = 312

Step-by-step explanation:

We know that ∠ABD and ∠CBD are supplementary, meaning their measures add up to 180°. We can use this knowledge to put both measures into an equation.

(0.18x+56) + (0.07x+46)= 180

Simplify.

0.18x+56 + 0.07x+46= 180

Simplify.

0.25x + 102 = 180

Subtract 102.

0.25x = 180 - 102

Simplify.

0.25x = 78

Divide by 0.25

$x = \frac{78}{0.25}$

Simplify.

x = 312

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