Find the part.81% of 100 animals
A. 8100 animals
B. 810 animals
C. 8 animals
D. 81 animals
Answer: D
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The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 8t2 + 4t + 5, 0 ? t ? 2Find the body's speed and acceleration at the end of the time interval.
A. 20 m/sec, 2 m/sec2 B. 41 m/sec, 16 m/sec2 C. 36 m/sec, 16 m/sec2 D. 36 m/sec, 32 m/sec2
Find the simple interest and the final value of the deposit that earns the given rate for the indicated length of time. Round your answers to the nearest cent.$84,320 earning 7% for 2.5 years
A. $14,756.00; $99,076.00 B. $7766.32; $92,086.32 C. $14,165.76; $98,485.76 D. $20,658.40; $104,978.40
Estimate the sum or difference by rounding each number to the nearest hundred.7386 + 4219 + 2962
A. 14,700 B. 14,600 C. 14,400 D. 14,500
Thanks to smaller and more fuel-efficient models, American carmakers have doubled their average fuel economy over a 13-year period, from 1974 to 1987. The graph depicted in the figure gives the average fuel consumption in miles per gallon (mpg) of domestic-built cars over the period under consideration (
corresponds to the beginning of 1974). Use the trapezoidal rule to estimate the average fuel consumption of the domestic car built during this period. Round the result to the nearest hundredth.
?
(Hint: Approximate the integral 
.)
?
?
A. 20.68 mpg
B. 21.71 mpg
C. 19.26 mpg
D. 21.27 mpg