1,650 Answered Questions for the topic Math Help For College
Math Help For College Cost Function
05/13/16
The cost, C(x), of producing x Totally Cool Coolers is modeled by the function C(x) = 0.005 x^2 -0.25 x + 14.....
The cost, C(x), of producing x Totally Cool Coolers is modeled by the functionC(x) = 0.005 x^2 -0.25 x + 14How many coolers need to be produced and sold in order to minimize the cost? (Round to the...
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05/13/16
The cost, C(x), of producing x Totally Cool Coolers is modeled by the function C(x) = 0.005 x^2 -0.25 x + 16....
The cost, C(x), of producing x Totally Cool Coolers is modeled by the functionC(x) = 0.005 x^2 -0.25 x + 16How many coolers need to be produced and sold in order to minimize the cost? (Round to the...
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05/13/16
A rocket is launched at t = 0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t) = -4.9t^2 + 280 t + 108......
A rocket is launched at t = 0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t) = -4.9t^2 + 280 t + 108.At what time does the rocket reach its maximum height?...
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05/13/16
The cost, C(x), of producing x Totally Cool Coolers is modeled by the function C(x) = 0.005 x^2 -0.25 x + 24...........
The cost, C(x), of producing x Totally Cool Coolers is modeled by the functionC(x) = 0.005 x^2 -0.25 x + 24How many coolers need to be produced and sold in order to minimize the cost? (Round to the...
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05/13/16
Pre calculus
I need help!
1)Graph the parametric curve.
x(t)=3t
y(t)+9t^2
t=1
2) graph the polar equation r=theta^2
3) graph the polar equation. r=5cos(theta)
4)graph. x(9)=(√t)...
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05/12/16
Word problem
You wish to build a rectangular pen facing north-south and east-west. there will be one north-south interior fence from the southern border to the northern border. the north-south fence costs $3...
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05/10/16
What is the logistic equation satisfied by the population, p?
The population of a certain planet is believed to be growing according to the logistic equation. The maximum population the planet can hold is 1010. In year zero the population is 50% of this...
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05/09/16
For what value of t is x(t)=40?
Solve the equation x′=3(100−x) with the initial condition x(0)=80.
For what value of t is x(t)=40?
(university level math)
05/09/16
find the probability that the mean number of students is between 20 and 30.
Suppose the number of students in a class for the Business Statistics program at a University has a mean of 23 with a standard deviation of 4.3. If 15 classes are selected randomly, find the...
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Math Help For College
05/08/16
Finding the price per share of two stocks
Norman and Suzanne own 35 shares of fast food restaurant stock and 63 shares of a toy store company. At the close of the markets on a particular day in 2004, their stock portfolio consisting of...
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Math Help For College
05/07/16
Find the speed
A car travles 450 mi at a certain speed. If the speed had been 5mph faster, the trip would have been made in 1 hr less time. Find the speed.
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Math Help For College
05/07/16
Two cards are drawn without replacement from an ordinary deck. Find the probability that the second is a diamond, given that the first is the 5 of diamonds.
Conditional Probability & Independent Events
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Math Help For College Math Word Problem
04/28/16
A rectangular painting has a diagonal measure of 13 inches and an area of 60square inches. Use area and Pythagorean Theorem formula to find the length and width
A rectangular painting has a diagonal measure of 13 inches and an area of 60 square inches. Use the formula for the area of a rectangle and the Pythagorean Theorem to find the length and width of...
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Integration question involving cosh^-1???
Evaluate the integral (1/sqrt(x^2 - 5))dx on limits of 3 to 4, using the formula: integral of (1/sqrt(x^2 - a^2))dx.
Recall that this formula was found by using the substitution x = a cosh t, and...
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04/27/16
How much does the temperature change by?
A mass of gas at pressure P and temperature T (degrees Kelvin) and volume V satisfies the equation T = KPV where K is a constant. The initial temperature is 250 degrees Kelvin, the inital volume is...
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04/21/16
how to answer using snell's law
Need to know how to solve and how you got an answer. A beam of light moves from an optical fiber (n=1.44) to air. If the beam of light entered at an angle of 12 degrees, what is the angle of...
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04/21/16
How to find using snell's law
Need to know how to solve and how you got an answer. A beam of light moves from air to an optical fiber (n=1.44). If the beam of light entered at a 23 degree angle, what is the angle of refraction...
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04/21/16
how to find side lengths of a parallelogram
A parallelogram has sides of lengths 5 and 9, and one angle is 31°.
What is the length of the smaller diagonal?
What is the length of the longer diagonal?
your answer should be...
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04/20/16
Probability calculations
Probability calculations – exactly one occurrence You are looking for a job. Eventually you get six interviews. In each case you are one of four final candidates for the respective job. Let us...
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Math Help For College
04/20/16
Madelyn Logan is and office dealer who earns a 17,000 base on salary. She also earns a 4% commission on sales. How much must she sell to earn a total of 59,000?
Need to know the answer for this question, because I clearly don't get it if I am asking this website to figure it out for me
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Math Help For College
04/20/16
6x - 2y = 17 Step 1 of 2 : Determine the missing coordinate in the ordered pair (-2, ?) so that it will satisfy the given equation.
what is the missing number
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Math Help For College
04/19/16
A theater can seat 648 people. The number of rows is 3 less than the number of seats in each row. How many rows of seats are there?
applications of quadratic equation
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04/17/16
What volume of blood passes along the artery in one second?
An artery has a circular cross section of radius 3 millimeters. The speed at which blood flows along the artery fluctuates as the heart beats. The speed after t seconds is 20+5sin(2πt) meters per...
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04/16/16
How quickly is the mass of the tree increasing?
A tree trunk is approximated by a circular cylinder of height 50 meters and diameter 3 meters. The tree is growing taller at a rate of 4 meters per year and the diameter is increasing at a rate of...
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04/16/16
How quickly was the population changing at the start of 1985?
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 8000+5000sin(2πt/5) where t is the number of years after...
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