Find the component form for the vector with the given magnitude and direction angle ?. Round values to the nearest tenth.
= 158.9, ? = 130°
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. ln x + 
ln(x3 + 3) - 
ln(x + 4)
C. 
D. 
+ 
- 
Mathematics
Complete.60 qt = gal
A. 15 B. 30 C. 120 D. 60
Mathematics
Solve for the principal.Brianna notes that her savings account earned $117.67 in 3 months. If the account earns 5.4% simple interest, then what was her principal?
A. $14,817.27 B. $7844.44 C. $8716.30 D. $18,303.68
Mathematics
Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 8
, z2 = 3
A. 11
B. 24
C. 24
D. 11
Mathematics