Solve.It takes Mary Alice 22 minutes to type and spell check 14 pages of a manuscript. Find how long it takes her to type and spell check 105 pages. Round to the nearest whole number if necessary.
A. 2,310 min
B. 22 min
C. 165 min
D. 67 min
Answer: C
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Translate the problem to a system of equations, then solve using matrices.John has a jarful of quarters and nickels. There are 104 coins in the jar. The value of the coins is $14.60. How many of each type of coin?
A. 52 quarters and 52 nickels B. 57 quarters and 47 nickels C. 99 quarters and 5 nickels D. 47 quarters and 57 nickels
Find the center-radius form for the circle having the given endpoints of a diameter.(6, -2) and (-4, 4)
A. (x - 1)2 + (y - 1)2 = 34 B. (x - 1)2 + (y - 1)2 = 136 C. (x + 1)2 + (y + 1)2 = 136 D. (x + 1)2 + (y + 1)2 = 34
Use a calculator to solve the equation on the interval [0, 2?). Round the answer to two decimal places.sin x = -0.37
A. 3.52, 5.90 B. 0.38, 3.52 C. 0.38, 1.95 D. 0.38, 5.90
A hummingbird’s heart can beat 1260 times per minute. Estimate the number of times its heart will beat in 2 years. State your answer in scientific notation.
What will be an ideal response?