Use a proportion to solve the application.Five out of 10 adults in a certain city reported they receive more email than they can read. If this city has 53,000 adults, how many reported that they receive more email than they can read?
A. 10,600 adults
B. 26,500 adults
C. 2650 adults
D. 1060 adults
Answer: B
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Foci at (0, -15), (0, 15); asymptotes: y = 
x, y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve the problem.Suppose you invest $P on a CD paying 4% interest compounded continuously for a term of 2.5 years. At the end of the term you get $8288.78 from the bank. Find the value of the original principal P. Round your answer to the nearest dollar.
A. $7500 B. $7750 C. $7475 D. $7495 E. $7525
Find the asymptotes of the hyperbola.x2 - y2 = 8
A. y =2x, y = - 2x
B. y = 
, y = - 
C. y = x, y = - x
D. y = 8x, y = - 8x
Solve the problem.Police use a formula s = S 
, where S is the test-car speed and L is the test-skid length, to find the actual speed s in an accident which left a skid mark of l. Find the speed (nearest whole mph) when S = 45 mph, 
L = 100 ft.
A. 68 mph B. 95 mph C. 55 mph D. 37 mph