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I am having difficulties deciding which equation to use to solve In comparing two local well-known DJs for this year's street dance, you see two good choices. DJ Joe charges $100 for each hour of play time. DJ Dan charges a fee of $150, plus $75 an hour of play time.
a. For two hours of play time, what would be the charge for each and who would charge the lesser amount?
b. For eight hours of play time, what would be the charge for each and who would charge the lesser amount?
Find the sum and enter it in the box below. Enter your answer as a polynomial in descending order, and use the caret (^) for exponents. For example, you would write as 4x^2.
The number of rabbits in a forest varies with time. During the period of 1980 to 1990 the number is given approximately by the formula where t is the number of years after 1980. (a) Sketch on graph paper the population during 1980-1990
suppose we chose at random from the population a large number of hroups of nine 17-year olds each. In what percentage of the groups would the group mean cholesterol value be between 188 and 189 mg/dLi?
The recording devices record the time the sound reaches each one. How far directly north of site B should a second explosion be done so that the measured time difference recorded by the devices is the same as that for the first detonation?
Find the center (h,k) and radius r of the circle and then use these to Graph the circle
The length of the diagonal of a rectangular billboard.
The stopping distance of a car after the brakes have been applied varies directly as the square of the speed. If a car traveling at 60 mph can stop in 180 ft., what is the distance needed to stop the same car traveling at 70 mph?
Write a differential equation for A, the amount of caffeine in the body t hours after 7am and give the particular solution to this differential equation. How much caffeine is in the person's body at 5pm?
in a sample of 3980 pregnant women who were exposed to DES before giving birth, 63 developed tissue abnormalitites. Calculate the approximate number of of women per thousand who were found to have thee abnomality.
angle of elevation to the top of the tree to be 53°. What is the height of the tree? Round your answer to the nearest foot.
Please outline the specific problem, your solution and how the specific problem solving guidelines were applied. Be sure to carefully tell us how you applied each of the guidelines to your problem.
A chemist has two alloys, one of which is 5% gold and 20% lead and the other which is 30% gold and 40% lead. How many grams of each of the two alloys should be used to make an alloy that contains 34 g of gold and 104 g of lead?
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