A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.C = 2?r; C = 12.56, ? = 3.14
A. r = 4
B. r = 78.88
C. r = 15.70
D. r = 2
Answer: D
Mathematics
You might also like to view...
Solve.Initially, a population of rabbits was found to contain 216 rabbits. It was estimated that the population was growing exponentially at the rate of 10% per day. Estimate the population after 43 days.
A. 3320 B. 373 C. 15,919 D. 74
Mathematics
Solve the equation.10y = 6y + 9 + 3y
A. -9 B. 90 C. -90 D. 9
Mathematics
Find the vertex.f(x) = 2x2 - 8x + 11
A. (2, 3) B. (-2, -3) C. (3, 2) D. (-3, -2)
Mathematics
Graph the system of inequalities.y ? (1/3)xy ? 8
A. 
B. 
C. 
D. 
Mathematics