Solve the equation.5n = 15
A. n = 5
B. n = 15
C. n = 10
D. n = 3
Answer: D
Mathematics
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Solve the initial value problem.
= 
; 
t=1 = -5, r(1) = 5
A. r = 
- 2t + 4
B. r = 
- 2t + 6
C. r = 
- 
t + 4
D. r = 3t - 2t + 6
Mathematics
Perform the indicated operation and round as indicated.
hundredths
A. 0.72 B. 0.02 C. 0.07 D. 0.22
Mathematics
Find the equation of the tangent line to the curve when x has the given value.f(x) = x - 
; x = 1
A. y = 
+ 1
B. y = -7x + 28
C. y = -7x - 9
D. y = 
- 
Mathematics
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.b = 12, c = 15
A. a = 10 B. a = 81 C. a = 9 D. a = 3
Mathematics