Solve the problem.The shape of a barbecue pit is like a parallelogram with height of 34 in. and a base of 18 in. It costs $0.50 per ft2 to fill the pit with charcoals. How much does it cost?
A. $306
B. $8.50
C. $2.13
D. $25.50
Answer: C
Mathematics
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For the given polar equation, write an equivalent rectangular equation. r = 20 sin ?
A. y = 20 B. x2 + (y - 20)2 = 100 C. (x - 10)2 + y2 = 100 D. x2 + (y - 10)2 = 100
Mathematics
Assume that all variables are implicit functions of time t. Find the indicated rate.y = 4x2 - 6x; dx/dt = 0.5 when x = 8; find dy/dt.
A. 58 B. 29 C. 1 D. 8
Mathematics
Solve the equation. Give an exact solution.log (x - 9) = 1 - log x
A. 10 B. -10 C. -1, 10 D. -10, 1
Mathematics
Find two square roots for the complex number. Write your answer in standard form.
?
What will be an ideal response?
Mathematics