Use inductive reasoning to predict the next line in the pattern. Then perform the arithmetic to determine whether your conjecture is correct.4 x 6 = 5 × 7 - 116 x 8 = 7 × 9 - 15
A. 8 × 10 = 9 × 11 + 17
B. 8 × 10 = 9 × 11 - 19
C. 8 × 10 = 9 × 11 - 17
D. 8 × 10 = 11 × 15 - 19
Answer: B
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Graph the pair of parametric equations with the aid of a graphing calculator.x = cos 4t, y = sin 3t, 0 ? t ? 2?
A.
B.
C.
D.
Divide. Write a mixed numeral for the answer.26 ÷ 30
A. 800
B. 1
C.
D.
Round the whole number to the given place.467,495 to the nearest hundred
A. 467,000 B. 468,000 C. 467,500 D. 467,400
Solve the problem.The phone company needs to install a line from point A on shore to an island that is 7 miles away from point B, as shown in the drawing below. The cost associated with installing underwater cable is $18,600 per mile, while the cost associated with installing cable over land is $9000 per mile. For the project to be completed at minimum cost, how much of the cable should be installed over land? In other words, at what distance from point A should the company stop laying cable over land? Round your answer to the nearest tenth of a mile, if necessary.7 miles? 10 miles
A. 5.7 miles B. 6.1 miles C. 6.9 miles D. 8.1 miles