Solve the problem. Use 3.14 for ?.The discus is thrown from a circular region 8 feet 5 inches in diameter. What is the area of the circle (in square inches)? Round results to the nearest tenth of a unit.
A. 8007.8 in.2
B. 32,031.1 in.2
C. 4003.9 in.2
D. 317.1 in.2
Answer: A
Mathematics
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Multiply.(x + 11)(x3 + 9x - 4)
A. x4 + 11x3 + 9x2 + 95x - 44 B. x4 + 11x3 + 9x2 + 103x + 44 C. x4 + 9x2 - 4x + 11 D. x3 + 20x2 + 95x - 44
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Write in exponential form. Assume all variables are positive real numbers.
A. 2x3 B. x2/3 C. x3/2 D. 3x2
Mathematics
Write the word phrase as an algebraic expression. Use x to represent the unknown value.Four times a number, increased by twelve
A. 4 + 12x B. 4x + 48 C. 4x + 12 D. 4x - 12
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Identify the place value of the underlined digit.72.
7
A. Tenths place B. Tens place C. Hundredths place D. Thousandths place
Mathematics