Provide an appropriate response.Jessica wanted to solve the following problem: The price of an item increased by 15%. The amount of the increase was $86. What was the price of the item before the increase? She wrote the following equation:
Do you think this equation will give her the correct answer? If not, what is the correct equation to use? Explain your thinking.
What will be an ideal response?
Answers will vary. The equation is not correct. The correct equation is
Mathematics
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Solve the problem.Suppose that R ={(x, y): 0 ? x ? 2, 0 ? y ? 5},R1 = {(x, y): 0 ? x ? 2, 0 ? y ? 4}, andR2 = {(x, y): 0 ? x ? 2, 4 ? y ? 5}. Suppose, in addition, thatdA = 5,
dA = 5, and
dA = 2.Use the properties of integrals to evaluate
dA.
A. 16 B. 70 C. 30 D. 11
Mathematics
Factor, if possible.5x2 + 31x + 30
A. (5x - 6)(x - 5) B. (5x - 6)(x + 5) C. (5x + 6)(x + 5) D. (x + 6)(x + 5)
Mathematics
Provide an appropriate response.Perform the operations and simplify: x(x + 4) - (x + 4)(x - 5)
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the difference.- -
A. - 1
B.
C. -
D. -
Mathematics