12/02/15

Math problem
Need full solution please-   In a diving competition, five judges each award a whole-number score from 1 to 10 and an average mark is then calculated. However there are three different ways of... more
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12/01/15

precalc math problem
A pipeline is to be constructed between points A and B on opposite sides of a river, as shown in the figure. To determine the amount of pipe needed, using a theodolite at point A, a right triangle... more
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12/01/15

A meal has 1330 calories. How long would a 120 lb person have to walk to burn off cals? Burns 281 calories to walk for 4 hours
easy math. but i cannot figure out..
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12/01/15

Geometric progression examples
Lisa earned RM2000 in a certain year from a certain source and her earnings from that year continued to increase at the rate of 5% per annum. Calculate, to nearest RM, the total amount she received... more
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11/30/15

I'm doing some practice questions and am confused about this problem
The cost, in dollars, for a company to produce x widgets is given by C(x) = 5250 + 7.00x for x ≥ 0, and the price-demand function, in dollars per widget, is p(x) = 45 - 0.02x for 0 ≤ x ≤ 2250.In... more
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11/30/15

Use this description to write the quadratic function in vertex form
  Use this description to write the quadratic function in vertex form:The parent function f(x)=x^2 is vertically stretched by a factor of 3 and translated 8 units right and 1 unit... more
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11/30/15

Write solution to system if it exists
[1 0 5 | -5  0 1 -3|4  0 0 0 | 0 ]   I got infinite solutions but wanted to be sure!!
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11/29/15

Tan x/2 =tan u/2 then show that u=log tan(pi/4+x/2)
Is from Mumbai University  paper 
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11/28/15

The annual Gross Domestic Product (GDP) of a country is the value of all of the goods and services produced in the country during a year. During the period 1985
The annual Gross Domestic Product (GDP) of a country is the value of all of the goods and services produced in the country during a year. During the period 1985-1999, the Gross Domestic Product of... more
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11/21/15

Question on constraints
Using the following information write the constraints. There should be five total. You can tutor no more than 18 hours per week The tutoring center requires that you tutor math at least 4 hours... more
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11/21/15

Question on constraints
Using the following information write the constraints. There should be five total.  You can tutor no more than 18 hours per week The tutoring center requires that you tutor math at least 4... more
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11/20/15

in a triangle with the sides 50, 30 and 9 solve for the lengths x and y?
How do I find the lengths of x and y? I wish I could submit an image.
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11/18/15

Find the completely factored of: f(x)=2x^4-x^3-13x^2-6x if (x+2) is one of the factors
Find the completely factored of:f(x)=2x^4-x^3-13x^2-6x if (x+2) is one of the factors
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11/18/15

two friends enter a trivia challenge as a team. Fayth scored 200 more points than jamal. as a team, they collected a total of 2250 points.How many did each earn
equations please and use the variable N
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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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11/16/15

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

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

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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11/12/15

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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