Find the area.
3 m
A. 49.5 m2
B. 8.25 m2
C. 24.75 m2
D. 12.375 m2
Answer: C
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Complete the factoring.2x2 + 13x + 15 = (x + 5)( )
A. 2x + 3 B. x - 10 C. x + 3 D. 2x - 10
Subtract.-7 - 7
A. -7 B. 0 C. -14 D. 14
The displacement from equilibrium of an object in harmonic motion on the end of a spring is
, where y is measured in feet and t is the time in seconds. Determine the velocity of the object when
. Round your answer to two decimal
places. ? A. 8.46 ft/sec B. 3.74 ft/sec C. 6.46 ft/sec D. 2.46 ft/sec E. 3.87 ft/sec
Solve the problem.In the formula N = Iekt, N is the number of items in terms of an initial population I at a given time t and k is a growth constant equal to the percent of growth per unit time. There are currently 63 million cars in a certain country, increasing by 5.1% annually. How many years will it take for this country to have 86 million cars? Round to the nearest year.
A. 5 years B. 3 years C. 61 years D. 6 years