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.A = ?r2; r = 9, ? = 3.14
A. 254.34
B. 12.14
C. 88.74
D. 28.26
Answer: A
Mathematics
You might also like to view...
Simplify the radical. Assume that all variables represent positive real numbers.
A. 
B. 3
C. 
D. 3
Mathematics
Evaluate the given logarithm by applying the appropriate rule(s). DO NOT USE A CALCULATOR.Given that log10 2 = 0.3010 and log10 3 = 0.4771, find log10 
A. 0.8293 B. 0.1992 C. 2.0333 D. 0.0512
Mathematics
Combine.(5x3 - 14x2 - 12) - (9x3 + 15x + 6)
A. -4x3 - 29x2 - 18 B. -4x3 - 14x2 - 15x - 18 C. -4x3 - 14x2 + 15x - 18 D. -4x3 - 14x2 - 15x - 6
Mathematics
Solve for x. Be sure to reduce your answer. Check your solution.-44.8 = -6.4x
A. x = 2 B. x = 38.4 C. x = -38.4 D. x = 7
Mathematics