Simplify.0.57 + 3.5(0.35)
A. 1.4245
B. 1.5745
C. 1.795
D. 1.2645
Answer: C
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Provide an appropriate response.Starting with a tone having a frequency of 112 cycles per second, find the frequency of the tone that is four octaves higher.
A. 1792 cps B. 896 cps C. 12,544 cps D. 448 cps
Solve the problem.The annual population density of a species of insect after n years is modeled by a sequence. Suppose that the initial density of insects is 662 with r = 0.7. Write a recursive sequence that describes this data, where an denotes the insect density during year n.
A. an = 0.7 an+1 , a1 = 331
B. an = 0.7 an-1 , a1 = 662
C. an = 
, a1 = 662
D. an = 0.7 + an-1 , a1 = 662
Simplify.52 + 62
A. 44 B. 121 C. 22 D. 61
Find a rational approximation, to the nearest tenth, for the radical expression.
?
?
A. -26.3 B. -29.2 C. -30.7 D. -28.8 E. -30.5