Find the missing length in the right triangle.The hypotenuse of a right triangle is 84.8 in. and one leg is 77.0 in. Find the length of the other leg.
A. 110 in.
B. 115 in.
C. 35.5 in.
D. 36 in.
Answer: C
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Solve the variation problem.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 30 seconds with an average speed of 5 feet per second. Find the average speed of the swimmer if it takes 37.5 seconds to finish the race.
A. 3 feet per second B. 6 feet per second C. 5 feet per second D. 4 feet per second
Find the simple interest. The rate is an annual rate unless otherwise noted. Assume 365 days in a year and 30 days per month. Round to the nearest cent.$6000 at 5% for 3 years
A. $4200.00 B. $105.00 C. $85.71 D. $1050.00
Find the value of the missing number.-28 + ? = 20
A. -48 B. 48 C. 8 D. -8
Use the discriminant to determine the number and type of solutions of the equation.3 - 7x2 = 8x + 5
A. two real solutions B. two complex but not real solutions C. one real solution