Solve.Use the formula N = Iekt, where N is the number of items at time t, I is the initial amount, and k is a growth constant equal to the percent of growth (expressed in decimal form) per unit of time. There are currently 56 million cars in a certain country, increasing by 4.1% annually. How many years will it take for this country to have 78 million cars? Round to the nearest year.
A. 4 yr
B. 75 yr
C. 5 yr
D. 8 yr
Answer: D
Mathematics
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Convert to scientific notation.0.000082618
A. 8.2618 × 105 B. 8.2618 × 10-4 C. 8.2618 × 104 D. 8.2618 × 10-5
Mathematics
Factor, if possible.x3 + 6x2 - 55x
A. (x2 + 5)(x - 11) B. (x2 + 11)(x - 5) C. x(x - 11)(x + 5) D. x(x + 11)(x - 5)
Mathematics
Translate the phrase to an algebraic expression.three hundred six less than x
A. 306 B. 306x C. x - 306 D. x + 306
Mathematics
Simplify the expression.
A. - 
B. - 
C. 
D. 
Mathematics