Evaluate to four decimal places using a calculator.e1.539

A. 2.3685
B. 7.3891
C. 4.1834
D. 4.6599


Answer: D

Mathematics

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Solve problems using a calculator.A local water district purchased its annual supply of water from three different sources. The number of acre-feet purchased and the cost per acre-foot for each source are shown in the following table. Calculate the average cost of water per acre-foot. (Round to the nearest dollar, if necessary.)Source Number of Acre-Feet Cost per Acre-FootReservoir X 1109   $649Well Water 2740   $208State Water 4775 $2896 

A. $1748.62 per acre-foot B. $1753.02 per acre-foot C. $1752.98 per acre-foot D. $1747.14 per acre-foot

Mathematics

For the given arithmetic series, what is Sn?a1 = 23, d = -4, and n = 16

A. -89 B. -112 C. -224 D. -448

Mathematics

Graph.f(x) = 4x

A.

B.

C.

D.

Mathematics

Solve.Fill in the missing data by using the REGRESSION feature on your calculator to find the quadratic function that best fits the data. 

A. (i) = 1018, (ii) = 1594 B. (i) = 1290, (ii) = 1594 C. (i) = 1290, (ii) = 78 D. (i) = 50, (ii) = 78

Mathematics