Solve the equation.0.05(40) + 0.40x = 0.20(40 + x)

A. {15}
B. {40}
C. {30}
D. {20}


Answer: C

Mathematics

You might also like to view...

Use the given graph to find the x-intercepts and zeros of the function.

A. (-4, 0), (7, 0); -4, 7 B. (-7, 0), (4, 0); -7, 4 C. (4, 0), (7, 0); 4, 7 D. (-4, 0), (-7, 0); -4, -7

Mathematics

Multiply and simplify. ? 

A.
B.
C.
D.

Mathematics

Provide an appropriate response. The compound amount when an investment is compounded continuously is A = Peni Where A = compound amount, P = original principal, n = number of years, and i = interest rate per year. Let P = 400, I = 0.05, and n = 3, then find A.

A. $3717.87 B. $929.47 C. $464.73 D. $1,858.93

Mathematics

Find the area of the triangle. If necessary, round the answer to two decimal places.a = 6, b = 6, c = 7

A. 15.54 B. 21.14 C. 17.06 D. 18.25

Mathematics