11/27/17
Assume that the total revenue received from the sale of x items is given by, R(x) = 30 ln (3x + 2), while the total cost to produce x items is C(x) = x/4. Find
Assume that the total revenue received from the sale of x items is given by, R(x) = 30 ln (3x + 2), while the total cost to produce x items is C(x) = x/4. Find the approximate number of items that...
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11/26/17
Sinusoidal Function
The pressure P (in pounds per square foot), in a pipe varies over time. Five times an hour, the pressure oscillates from a low of 40 to a high of 250 and then back to a low of 40. The pressure at...
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11/26/17
Find a sinusoidal function with the following four attributes:
(1) amplitude is 16, (2) period is 9, (3) midline is y=33 , and (4) f(3)=49 .
11/26/17
Satistics - determine the required sample size
An IQ test is designed so that the mean is 100 and the standard deviation is 15 for the population of normal adults. Find the sample size necessary to estimate the mean IQ score of statistics...
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11/26/17
What is the confidence interval estimate of the population mean μ?
Using the sample statistics, construct a 99% confidence interval estimate of the mean body temperature of all healthy humans. Do the confidence interval limits contain 98.6 degrees°F? What does the...
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is it possible when the number of unknowns is less than the linear equations to have a unique solution.
X1+2X2=0
2X1+X3=0
-X1+2X3=0
4X1+7X3=0
11/26/17
Assume that a procedure yields a binomial distribution with n trials and the probability of success for one trial is p.
Assume that a procedure yields a binomial distribution with n trials and the probability of success for one trial is p. Use the given values of n and p to find the mean muμ and standard deviation...
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11/26/17
List all the subsets of (1,2,3,4,), which do not include 3
List all the subsets of (1,2,3,4) which do not include 3?
11/26/17
Calculus and Derivatives
Given the function y = 11 sin (7 pi x - 5 y) and the point (4,0). (A) Verify that the given point is on curve. (B) Find the equation of the tangent line to the curve at the given point. (C) Find...
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11/25/17
Elasticity for Calculus
For a particular commodity, the demand function is q=110,000/p....Find the elasticity when p=8
11/23/17
Find an equation for the set of all points (x,y) such that the angle from ghe x axis to the line joining (x,y) and the origin equals y.
The answer is x=ycoty
11/23/17
Romar is twice as old as Mavic. If Mavic is q years old. Jaypee is 2 years older romar.
Algebra Word Problem
11/22/17
Find the separate equation to the lines represented by the following equation
Trigonometry Identities and equation
Find the separate equation to the lines represented by the following x^2+2xy+cosecA+y^2.
Trigonometry Identities and equations
11/22/17
Assume that 80 percent of the adult population the united states has tested either coke or pepsi.
Assume that 80 percent of the adult population the united states has tested either coke or pepsi. For a sample of 250 adults, how many would you expect to have tasted either coke or pepsi? What is...
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11/21/17
pre calculus min/max area/perimeter
a farmer wants to build three rectangular pens of the same size next to a river so that they are separated by two fences. If she has 1,000 feet of fencing and does not fence the side next to the...
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11/21/17
cody was given two points 1/2 , 4 and 2/3,1 on a line and asked to create a linear equation in standard form
identify error
11/21/17
Cost function
A firm is able to determine that its marginal cost, in dollars, from producing x units of an item is given by C′(x)=2100x-2.2, where x≥1. Suppose that it were possible for the firm to make...
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11/21/17
Find Cost Fucntion
The marginal cost for printing a paperback book at a small publishing company isc(p) = $0.013 per page where p is the number of pages in the bookA 620-page book has a $20.68 production cost. Find...
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11/21/17
ind a positive angle less than 2piπ that is coterminal with the given angle.
Find a positive angle less than 2piπ that is coterminal with the given angle. -pi/-150
11/21/17
Use the Venn diagram to calculate probabilities. Which probabilities are correct? Check all that apply. P(A|C) = P(C|B) = P(A) = P(C) = P(B|A) =
i dont understand
11/21/17
how many of the 225 children sampled said chocolate chip is thier favorite kind of cookie
a simple random sample of 225 children was taken as part of a poll. among these 225 children, 47% stated that chocolate chip is their favorite kind of cookie.
11/20/17
Can you help with my Precalculus?
im really struggling. The question reads “How much 60% acid solution must be added to 20 ml of 30% solution to achieve a 50% acid solution?”Can you help?
11/20/17
Can you help with my Precalculus?
in my Precalculus homework, the question is “There has to be a rectangular area of 1680 ft sq. for my pig. There is the wall of a barn for one side. How much fencing would you need to buy?” Yes...
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