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 75 million cars in a certain country, increasing by 1.1% annually. How many years will it take for this country to have 95 million cars? Round to the nearest year.
A. 5 yr
B. 272 yr
C. 18 yr
D. 21 yr
Answer: D
Mathematics
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Add the given vectors.
A. R = 266, ? = 127.5° B. R = 639, ? = 34.3° C. R = 639, ? = 214.3° D. R = 211, ? = -52.5°
Mathematics
Tell whether the statement is true or false. If false, give the reason.15 ? {x|x is an even counting number}
A. False; 15 is a counting number. B. True C. False; 15 is an even counting number. D. False; 15 is an element of the set.
Mathematics
Solve the problem.At a garage sale, the most expensive item was marked $25.00 more than the cheapest item. The sum of the two items was $26.90. Find the cost of the least expensive item.
A. $3.80 B. $26.90 C. $22.10 D. $1.90
Mathematics
Graph the function.y = 2 cot
A. 
B. 
C. 
D. 
Mathematics