In circle d, angle adc measures (7x + 2)°. arc ac measures (8x - 8)°. what is the measure of ? 36° 43° 72° 144°

72°

explanation:

the measure of a central angle is the same as the measure of the intercepted arc.

since the circle is named circle d, this tells us that d is the center of the circle.   this makes ∠adc a central angle.

this means that m∠adc = mac.

we set up the following equation:

7x+2 = 8x-8

we want to cancel one of the terms with x; subtract 7x from each side:

7x+2-7x = 8x-8-7x

2 = x-8

add 8 to each side to cancel it:

2+8 = x-8+8

10 = x

since x = 10, this makes m∠adc = 7x+2 = 7(10) + 2 = 70 + 2 = 72.

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

idk

step-by-step explanation: