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600以下   题数:354
【OG20-P153-49题】The graph above shows the height of the tide, in feet, above or below a baseline. Which of the following is closest to the difference, in feet, between the heights of the highest and lowest tides on July 13 at Bay Cove?
For all numbers a and b, the operation # is defined by a # b = 2a + 2b + 1. What is the value of 6 # 1 ?
The perimeter of a certain isosceles right triangle is 16+16√2 . What is the length of the hypotenuse of the triangle?
If the probability that event S will not occur is 1 - y, then the probability that event S will occur is
Company P's cost c, in dollars, of producing n units of a certain product is c = 2.5n + 25,000. What is the greatest number of units that Company P can produce if the cost of producing these units cannot exceed $200,000 ?
If x < 0,then√x2x ​=
In a certain sequence, the term xn is given by the formula for all n ≥ 2. If x0 = 3 and x1 = 2, what is the value of x3 ?
A small water pump would take 2 hours to fill an empty tank. A larger pump would take 1/2 hour to fill the same tank. How many hours would it take both pumps, working at their respective constant rates, to fill the empty tank if they began pumping at the same time?
If (73/4)n=7 ​, what is the value of n ?
The average distance between the Sun and a certain planet is approximately 2.3 × 1014 inches.Which of the following is closest to the average distance between the Sun and the planet, inkilometers? (1 kilometer is approximately 3.9 × 104 inches.)
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