Use the change of base formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log2/319

A. -14.52
B. 8.92
C. -7.26
D. 7.26


Answer: C

Mathematics

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Check the given subtraction. If the answer is incorrect, give the correct answer.1750

A. Incorrect; should be 1749 B. Incorrect; should be 1759 C. Correct D. Incorrect; should be 1649

Mathematics

Use synthetic division to divide f(x) by x - c, and then write f(x) in the form f(x) = (x - c)q(x) + r.f(x) = 4x3 + 16x2 - 21x - 5; x + 5

A. (x + 5) + 0
B. (x + 5)(-4x2 - 5x - 1) + 0
C. (x + 5) + 0
D. (x + 5)(4x2 - 4x - 1) + 0

Mathematics

Find the value of the annuity at the end of the indicated number of years. Assume that the interest is compounded with the same frequency as the deposit. mnrt$200semiannually8%25?

A. $31,101.10 B. $94,380.67 C. $14,621.19 D. $29,507.13 E. $30,533.42

Mathematics

Set up the linear programming problem.A steel company produces two types of machine dies, part A and part B and is bound by the following constraints:? Part A requires 1 hour of casting time and 10 hours of firing time. ? Part B requires 4 hours of casting time and 3 hours of firing time.? The maximum number of hours per week available for casting and firing are 100 and 70, respectively.? The cost to the company is $0.75 per part A and $3.00 per part B. Total weekly costs cannot exceed $45.00.Let x = the number of part A produced in a week and  number of part B produced in a week. Write a system of three inequalities that describes these constraints.

A.

B.

C.

D.

Mathematics