Determine the additive inverse of the given number.-15.3

A. 15.3
B. -3.15
C. 3.15
D. -15.3


Answer: A

Mathematics

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Solve the problem.A metal fabrication company makes corrugated metal sheets. The corrugated sheets have cross sections in the shape of the curve  The corrugated sheets are stamped from flat sheets that cost $1.50 per square foot. How much will a corrugated sheet 100 in long cost?

A. $30.86 B. $43.28 C. $27.06 D. $29.62

Mathematics

Provide an appropriate response.A student solved an equation by the quadratic formula and reached the step  x = .What are the solutions of the original equation?

A.
B. , - 
C. , 2
D. The equation has no real number solutions.

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Factor when possible. If the polynomial is prime, so state.81x2 - 49y2

A. (9x + 7y)(9x - 7y) B. (9x + 7y)2 C. (9x - 7y)2 D. prime

Mathematics

Solve the equation. -  -  = 0

A. - 
B. 3
C. -3
D.

Mathematics