Solve the equation. Round to the nearest tenth, if necessary.If an object is projected upward with an initial velocity of 16 feet per second from a height of 192 feet, then its height t seconds after it is projected is defined by the expression h(t) = -16t2 + 16t + 192. How long after it is projected will it hit the ground?
A. 4 sec
B. 6 sec
C. 3 sec
D. 5 sec
Answer: A
Mathematics
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Insert parentheses, if needed, to make the expression on the left equal to the number on the right.200 ÷ 10 - 3 + 2 = 15
A. 200 ÷ 10 - (3 + 2) = 15 B. 200 ÷ (10 - 3) + 2 = 15 C. 200 ÷ 10 - 3 + 2 = 15 D. (200 ÷ 10) - 3 + 2 = 15
Mathematics
Express the statement as an algebraic expression.The quotient of a number and 41
A. 
B. 41 - x
C. 41x
D. 
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral. 
A. 64 ln 
- 
B. 12 ln 5 - 
C. 48 ln 5 - 12ln 4 + 
D. 48 ln 
- 
Mathematics
Solve by the substitution method.8x + 8y = -24-4x - 5y = 19
A. (3, -6) B. (4, -6) C. No solution D. (4, -7)
Mathematics