Solve the problem.The difference of two numbers is 5 and the difference of their squares is 55. Find the numbers.
Fill in the blank(s) with the appropriate word(s).
8 and 3
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Determine the value of x or ? as requested. Round results to an appropriate number of significant digits.Determine the value of ?.
A. 1.40° B. 42.9° C. 0.700° D. 47.1°
Solve the problem.If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.02, what are the odds against a direct hit?
A. 48 to 1 B. 1 to 50 C. 49 to 1 D. 50 to 1
Multiply the pair of monomials.(-4x9y2)(7x10y)
A. -28x19y2 B. -28x19y3 C. 3x19y3 D. 3x90y2
Solve the problem.The phone company needs to install a line from point A on shore to an island that is 4 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.4 miles
? 10 miles
A. 6.8 miles B. 8.8 miles C. 9.8 miles D. 7.8 miles