a rock is thrown straight up in the air from an initial height of ho, in metres, with the initial velocity vo, in metres per second. The height in metres above the ground after t seconds is given by h(t) = -4.9t^2 + vo + ho. Find an expression for the time it takes the rock to...
The profit p(x) of a cosmetics company in thousands of dollars is given by P(x) = -5x^2 + 400x - 2550, where x is the amount spent on advertising, in thousands of dollars. What amount must be spent on advertising to obtain a profit of at least $4 000 000?
If Ho: μ = 50 and Ha: mu. = 59 and s = 10 what is αlpha if x exceeds 56for n=25
The width of a rectangle is x inches long. The length of that rectangle is 5 inches less than Twice the width. If the perimeter measures 26 inches, what is the measure of the length and width of the rectangle. Show all the work and the algebra you used to solve this problem.
if a sample of NO2 gas has 4.5ml. what is the cooled constant pressure from 45 to 5 degrees?
Probability!!! PLEASE help!!
A survey of Chaicago sports fans asked them 3 questions about which they prefer. Each fan must give exactly 1 answer to each question. Given a choice between the Cubs and White SOx, 40% chose cubs. Between the Bulls and Blackhawks, 57% chose bulls. between wildcats and maroons...
A pure monopolist sells output for $4.00 per unit at the current level of production. At this level of output, the marginal cost is $3.00, average variable costs are $3.75, and average total costs are $4.25. The marginal revenue is $3.00. What is the short-run and long-run con...
Forgot to add that the #'s you have to usefor this question are: 5, 4, 7, 2, 1, 3, 9, 0 This may help. It would also help if they gave at least one starting letter value.
My 7th grade daughter has the following math problem and gets zero help from her "language arts" teacher who gave out this problem: WANT X BE ________ CAREER Each letter in this question stands for a 1-digit #. No 2 letters may stand for the same #. Find the value fo...