Find 
.y = (x + 8) sin x
A. cos x ln (x + 8) + 
B. sin x ln (x + 8)
C. (x + 8) sin x
D. 
(x + 8) sin x
Answer: C
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Part of $7,000 is invested at 10%, another part at 11%, and the remainder at 12% yearly interest. The total yearly income from the three investments is $795. The sum of the amounts invested at 10% and 11% equals the amount invested at 12%. How much is invested at each rate?
A. $1,000 at 10%, $2,500 at 11%, and $3,500 at 12% B. $500 at 10%, $2,000 at 11%, and $4,000 at 12% C. $1,500 at 10%, $2,000 at 11%, and $3,500 at 12% D. $500 at 10%, $2,500 at 11%, and $4,000 at 12% E. $1,500 at 10%, $3,000 at 11%, and $3,000 at 12%
Use a ruler, protractor, and compass to construct, when possible, a triangle with the stated properties. Determine whether one triangle can be constructed, two or more noncongruent triangles can be constructed, or no triangle can be constructed.An equilateral triangle with sides of length 5 cm.
A. Two or more noncongruent triangles can be constructed. B. Exactly one triangle can be constructed. C. No triangle can be constructed.
Use the graph to solve the equation.
= 1
A. -1, 0, 1 B. 0, 1 C. -1, 0 D. -1, 1
Simplify.[(6.2 - 4) ÷ 8] - 2
A. -0.6 B. -2.1 C. -0.725 D. -0.35