Solve the problem.Find the dimensions of a rectangular enclosure with perimeter 40 yd and area 91 yd2.
A. 13 yd by 7 yd
B. 15 yd by 6 yd
C. 14 yd by 6 yd
D. 16 yd by 7 yd
Answer: A
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Evaluate the integral.
A. 9.48 B. 55.2 C. 40.2 D. 6.70
Solve the problem.Use the formula D = 10.0 log (S/S0), where the loudness of a sound in decibels is determined by S, the number of watt/m2 produced by the soundwave, and S0 = 1.00 × 10-12 watt/m2. A certain noise measures 106 decibels. If the intensity is multiplied by 100, how many decibels will the new noise measure? (Round to an appropriate number of significant digits.)
A. 108 decibels B. 212 decibels C. 10,600 decibels D. 126 decibels
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(8x - 1)2
A. 64x2 - 16x + 1 B. 8x2 - 16x + 1 C. 64x2 + 1 D. 8x2 + 1
Use the laws of logarithms to simplify the expression.
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