Estimate a sum by rounding each addend to the specified place. Estimate a difference by rounding the minuend and subtrahend to the specified place value.532.432 - 36.6 to the nearest tenth

A. 495.9
B. 495.8
C. 496.0
D. 485.8


Answer: B

Mathematics

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Simplify. ? -5(3n + 8r) + 8(n - 5r) ?

A. 4n - 80r B. -7n - 80r C. 12n + 9r D. 7n + 6r E. 6n + 3r

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Determine and list all the prime numbers in the given range.between 60 and 80

A. 61, 67, 71, 73, 79 B. 61, 63, 67, 71, 73, 79 C. 61, 63, 67, 73, 79 D. 61, 67, 73, 79

Mathematics

Solve the problem.Two angles are complementary if their sum is 90°. If the measure of the first angle is x°, and the measure of the second angle is (3x - 2)°, find the measure of each angle.

A. 1st angle = 23°; 2nd angle = 67° B. 1st angle = 22°; 2nd angle = 68° C. 1st angle = 31°; 2nd angle = 59° D. 1st angle = 22°; 2nd angle = 64°

Mathematics

The position of a car is given by the values in the following table.


Find the average velocity for the time period beginning when t = 2 and lasting 2 seconds.

a. 46.1 ft/s
b. 31.9 ft/s
c. 33.5 ft/s
d. 33.8 ft/s
e. 33.2 ft/s

Mathematics