Solve the equation by the zero-factor property.(9y + 19)(7y + 15) = 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the equation.0.4x - 0.2(40 + x) = -0.05(40)
A. {20} B. {15} C. {40} D. {30}
Mathematics
Find the tangential and normal components of the acceleration.r(t) = (5t sin t + 5 cos t)i + (5t cos t - 5 sin t)j + 4k
A. a = 5T + 
N
B. a = 
N
C. a = 5T + 5tN
D. a = 5tN
Mathematics
Solve the equation.log21 = x
A. 
B. 
C. 
D. 
Mathematics
Determine the value of the variable so that the equality is a proportion.
= 
A. 3 B. 4 C. 1 D. 2
Mathematics