08/03/23
Precalculus question
Find all solutions to the following equation on the interval [0,pi) without the use of a graphing utility:3cos(t)+4=2.If there are more than one solution, separate them with spaces. If there is no...
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08/03/23
Statistics help!
A manufacturing machine has a 2% defect rate.If 4 items are chosen at random, what is the probability that at least one will have a defect?
08/03/23
Statistics Homework help
A poll is given, showing 65% are in favor of a new building project.If 7 people are chosen at random, what is the probability that exactly 1 of them favor the new building project?
08/02/23
PRECAL MATH HW chapter 6
Find a polynomial with rational coefficients of minimal degree passing through (−2,7) and having zeros1, 1/2, 1/2, 1 , − squareroot of 2i, 2 + squareroot 3𝑖.
08/02/23
PRECAL MATH HW CHAPTER 6
Approximate the real zero between -1 and 1 accurate to three places for the polynomial 𝑓 (𝑥) = 𝑥^4 − 3𝑥^3 + 1 using the Intermediate Value Theorem as described in these notes.
08/02/23
Suppose that pulse rates among healthy adults are normally distributed with a mean of 79 beats/minute and a standard deviation of 10 beats/minute.
Suppose that pulse rates among healthy adults are normally distributed with a mean of 79 beats/minute and a standard deviation of 10 beats/minute. What proportion of healthy adults have pulse rates...
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08/02/23
how many acres of each crop should he plant?
A farmer has 1310 acres of land on what you guys corn wheat in soybeans. It cost $45 per acre to grow corn 60 to grow wheat and 50 to go soybeans because of the market demand. The farmer will grow...
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System of Linear equations
The Royal Fruit Company produces two types of fruit drinks. The first type is 40% pure fruit juice, and the second type is 65% pure fruit juice. The company is attempting to produce a fruit drink...
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08/01/23
A ball is thrown from a height of 70 feet with an initial downward velocity of 4 ft/s. The ball's height h (in feet) after t seconds is given by the following. h=70-4t-16t^2.
How long after the ball is thrown does it hit the ground?Round your answer(s) to the nearest hundredth.
08/01/23
How do I solve with binomial theorem here?
Use the binomial theorem to find the term containing x^-19 in the expansion (-3x+1/x^6)^9
07/31/23
Suppose that cellphone cases are currently sold at $13.50. The following equation shows the number of cellphone cases sold 𝑥, in thousands, and the price, 𝑝: 100𝑥2 + 8𝑝2 = 2358
If the price of cellphone cases are decreasing at $0.12 per week, find the rate of change of the sales.
07/31/23
Need equation to solve
A puppy in a box weighs 2 ounces how much does the puppy weigh hint is 2n can’t figure out the formula to solve
07/31/23
The cost, in thousand of dollars, of making x items, in hundreds, is given by C(x) = −12x − 75. The revenue function is given by R(x) = −6x^2 + 30.
Determine the number of items that should be sold to maximize profit.
07/30/23
Let f(x)=x^3-3x^2+20x-268
A solution to f(x)=0 can be found in the interval <x<(Enter a pair of consecutive integers m, M where a solution is guaranteed to exist in the interval m<x<M).If you draw the line...
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07/28/23
why the direction to the north is negative?
Car A is traveling west at 50 mi/h and car B is traveling north at 60 mi/h. Both are headed for the intersection of the two roads. At what rate are the cars approaching each other when car A is 0.3...
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07/27/23
Find three consecutive odd integers such that six times the sum of the first and second is 5 less than 11 times the third
Find three consecutive odd integers such that six times the sum of the first and second is 5 less than 11 times the third
07/24/23
Calculate the unit rate for each of the following. Round to two decimals places and include units
36 inches to 3 feet
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