Two angles are complementary if the sum of their measures is 90 degrees . if the measure of an angle is 7 x degrees, represent the measure of its complement as an algebraic expression in x.

90 - 7x

Step-by-step explanation:

We have that ∠ 1 + ∠ 2 = 90 ← ∠ 1 = 7x, thus

7x + ∠ 2 = 90 ( subtract 7x from both sides )

∠ 2 = 90 - 7x

Thus the complement of 7x is 90 - 7x

Step-by-step explanation:

90-7x

answer:

c 60% on edg

answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.