10. The formula for the circumference of a circle with diameter d is C = id. a. Solve the formula for d.
b. The circumference of a circle is 8 inches. What is the diameter of the circle?
c. The circumference of a circle is 67 inches. What is the radius of the circle?

rounding to the nearest thousandth would be 452,000

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5=812a+9+3

step 1: simplify both sides of the equation.

5=812a+9+3

5=(812a)+(9+3)(combine like terms)

5=812a+12

5=812a+12

step 2: flip the equation.

812a+12=5

step 3: subtract 12 from both sides.

812a+12−12=5−12

812a=−7

step 4: divide both sides by 812.

812a /812 = -7/812

a= -1/116

so the answer is

a=   -1/116

your answer is c. 97 (don't delete this again)

step-by-step explanation: