Solve the problem.Matt is going to invest no more than $4000 in two accounts earning 2% and 4% simple interest. He would like the accounts to earn at least  after one year. He wants to invest  or less in the account earning 4% simple interest. Write a system of inequalities to describe this situation and solve by graphing.

A.

B.

C.

D.


Answer: C

Mathematics

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Translate the sentence into an equation. Use x to represent the unknown number. Do not solve.Six times a number is equal to the sum of three times the number and 14.

A. 6x = 3x + 14 B. 6x = 3 + 14x C. 6x + 14 = 3x D. 6x = 3(x + 14)

Mathematics

Solve the right triangle for all missing sides and angles to the nearest tenth.c = 32.5B = 15.8°

A. A = 74.2°, a = 119.4, b = 33.8 B. A = 74.2°, a = 31.3, b = 8.8 C. A = 74.2°, a = 33.8, b = 119.4 D. A = 74.2°, a = 114.9, b = 119.4

Mathematics

Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of  in. go into a piece of wood when it is turned 10 complete rotations clockwise?

A.  in.
B.  in.
C.  in.
D.  in.

Mathematics

Write as the sum and/or difference of logarithms. Express powers as factors.log2

A. 7log2x -log2(x + 5) B. log2(x + 5) + 7log2x C. log2(x + 5) -log2x D. log2(x + 5) - 7log2x

Mathematics