Find the exact value of the expression. Do not use a calculator.1 + sin2 80° + sin2 10°

A. 1
B. 0
C. -1
D. 2


Answer: D

Mathematics

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For the function f, construct and simplify the difference quotient  .f(x) = 2|x| + 9x

A. -10h
B.
C. -8h
D.

Mathematics

Answer the problem with a sentence containing the requested unit of measure. Write improper fractions as mixed numbers for U.S. measures and as decimals for metric measures.A prize winning pumpkin weighs 37.5 kilograms. Express this number in pounds.

A. A prize winning pumpkin weighs 17 pounds.
B. A prize winning pumpkin weighs 75 pounds.
C. A prize winning pumpkin weighs 82 pounds.
D. A prize winning pumpkin weighs 165 pounds.

Mathematics

Use the right triangle shown below and find the missing length. Give an exact answer and a decimal approximation rounded to two decimal places. b = 60, c = 65

A. a = 25, -25 B. a = 25 C. a = 125 D. a = 625

Mathematics

Add the following hexadecimal numbers. Check using decimals. +

What will be an ideal response?

Mathematics