11/18/15

I need to develope a formula and show how to come to that conclusion Please READ
Consider the graphs of equations of the quadratic form  that have two x-intercepts.  Let d denote the shortest distance from the axis of the parabola to either of the x-intercepts, and let h denote... more
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11/18/15

Substitute x and y into A, B, or C to find z?
A. 5x + 3y + 2z = 2B. 2x + y – z = 5C. x + 4y + 2z = 16Use A and B to eliminate z. A. 5x + 3y + 2z = 2 A. B. [2x + y – z = 5]2 B. . AB. .Use B and C to eliminate z.B. [2x + y – z = 5]2 B.C. x + 4y... more
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11/18/15

microeconomics:Which of the following is correct regarding the relationship between the marginal product of labor and the average product of labor?
A. if marginal product is greater than average product, then average product will be increasing   B. if marginal product is less than average product, then average product will be... more
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11/17/15

Find the dimensions of the resulting box
An open box is to be made out of a 6-inch by 18-inch piece of cardboard by cutting out squares of equal size from the four corners and bending up the sides. Find the dimensions of the resulting box... more
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11/17/15

Find the dimensions that minimize cost of the box
A box is constructed out of two different types of metal. The metal for the top and bottom, which are both square, costs $5 per square foot and the metal for the sides costs $2 per square foot.... more
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11/16/15

Standard position and reference angles
Given angles O= -9pie/4 and B=510 degrees, draw them in standard position and find their reference angles, O and B. Use the reference angle to find the exact values of sin (-9pie/4) and tan 510... more
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11/16/15

f(x)= (1/2)^x graph transition
For the function f(x)= (1/2)^x Write an equation of the function when it is shifted one unit right and two units down. Write two points, the asymptote, intercepts, domain, and range
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11/16/15

I need to find the domain and range of for f(y) = 2/(c^2 + 3c)
I need to find the domain and range of for f(y) = 2/(c^2 + 3c)I need to find the domain and range of for f(y) = 2/(c^2 + 3c) I know how to find the domain its where c^2 + 3c would = 0 so it's not... more
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11/16/15

Reference angles
Draw each angle in standard position. Determine the reference angle in each case.   a) 240 degrees   b.) -2pie/3
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11/15/15

Use descartes rule of signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the following function: f
Use descartes rule of signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the following function: f(x)= 9x^7 + 3x^5 - 8x^3 + 7x -1
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11/15/15

Given the function
Given the function f(x)= -5.6^6 + 9x- 0.6x^8+3 a. State the degreeb. name the leading coefficientc. Describe the behavior of both ends of the graphd. is the function odd, even or neither?e.... more
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11/15/15

Finding and Interpreting the expected value for the selling price
A store is having a special promotion an a radio that regularly costs $30.00. A customer purchasing the radio draws a discount coupon at random out of a box and then puts it back. In the box there... more
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11/15/15

Statistics
In the game of roulette a player gives the casino $7 for a bet on the number 5, the player has a 37/38 probability of losing $7 and a 1/38 probability of making a net gain of $245. (The prize is... more
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11/13/15

Answer the following questions about this situation.
Certain drugs are eliminated from the bloodstream at an exponential rate.Write an exponential model for the following situation. The drug dosage is 500 mg. The drug is eliminated at a rate of 5.2%... more
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11/13/15

Word problem
A relief package is released from a helicopter at 1600 feet. The height of the package can be modeled by the equation: h(t)=-16t^2+1600where h is the height of the package in feet and t is the time... more
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11/13/15

Find the relative extrema
Find the relative extrema for f(x)=2sin^2x + cos2x on the interval [0,2π]. Also find the x coordinates of the inflection points of f(x) on this interval. Give the intervals where the function is... more
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11/12/15

Text Book Maths Problem - 11
Two boats (A and B) leave a harbour simultaneously. Boat A sails on a course of 010 degrees at a speed of 15 knots, while boat B sails on a course of 110 degrees at a speed of 10 knots.  If one... more
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11/12/15

Text Book Maths Problem - 7
Change 1.234 radians to degrees, minutes and seconds. Change 44degres 49' 53" to radians, expressed as a multiple of pi. Calculate, correct to 2 decimal place accuracy, the perimeter of a sector... more
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11/12/15

In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the request
What are the chances that a person who is murdered actually knew the murderer? The answer to this question explains why a lot of police detective work begins with relatives and friends of the... more
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11/12/15

In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the request
Ocean fishing for billfish is very popular in the Cozumel region of Mexico. In the Cozumel region about 46% of strikes (while trolling) resulted in a catch. Suppose that on a given day a fleet of... more
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11/12/15

Solve the question
2 - 4/1-3x= 3/x+6
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11/12/15

Solve the question
4x-8/x-3 +3/x = -3/x^2-3x
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11/12/15

System of Equations
5a - 8b     =4 10a     + 42c =48      16b + 28c = 28
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11/11/15

Use elimination to solve the system of equations
Use elimination to solve the system of equations:   2x+y+3z= 2   x+y-z= 5   4x-y+2z= -1
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11/11/15

you buy 15lbs of apples & oranges for $20. Apples are $2/lb and $1/lb. How many lbs of each
I need help fast
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