02/19/14

Find (f*h)(7)
Let f(x)= x-1, h(x)= -x+1 find (f*h)(7)
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02/18/14

I need to find one, two and three standards deviations above the mean over 14.88 and one,two and three below this mean
I need to find one, two and three standards deviations above the mean over 14.88 and one,two and three below this mean. The standard deviation in this equation is 2.8
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02/17/14

Please help
A store mixes brazilian coffee worth $11 per kilogram and Turkish coffee worth $13 per kilogram. The mixture is to sell for $12 per kilogram. Find how much of each should be used to make a 360... more
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02/17/14

What is 1 divided by 1 over 10 to the negative second power
Difficult
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02/15/14

compare and contrast the functions
graph the functions  f(x)=(-x^3+5x^2-6x-12)/(x^2-2x) and g(x)=-x+3   what are the similarities between f(x) and g(x)? please choose which ones apply  1)they have the same end behavior 2)they... more
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02/12/14

differential calculus
can we apply differential calculus to find why the rpm of the wheels in motor bike while load is increased
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02/10/14

balance sheet
A firm has the following items on a its balance sheet:   cash                                                                               ... more
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02/10/14

Physics speed
A calcium ion Ca++ enters with zero velocity a region of uniform electric field of 200N/C pointing east.  What is its speed after 50ms? (Symbol of calcium atom is 20Ca40)
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02/10/14

Physics help
13. A water droplet of radius 0.018mm remains stationary in air. If the downward electric field in 150N/C, how many excess electrons must the droplet have?
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02/07/14

1. Consider n pairs of observations (Xi ,Yi ),i =1,...,n. If we want to fit the model, Y =2 +ß.X^2 + ?. find the least squares estimator for ß .
This question could be asking us to do regression, but I do not really know. IT requires us to use the least square estimator.
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02/06/14

If a regular pentagon has side lengths of 8 inches, what is the perimeter?
I need help! its mutiple choice. If a regular pentagon has side lengths of 8 inches, what is the perimeter?   A. 13 inches B.30 inches C. 40 inches D. 45 inches
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02/05/14

find the product: 3/4 x 12
I need  the answer really  fast! the choices are: (A) 1/16 (B) 1/9 (C) 6 (D) 9
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02/03/14

Find f'(x)?
If f(x)=(x^2+1)^x, find f'(x).    
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01/31/14

solve Equation
Solve equation   x^1/4 = 5   x = 
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01/31/14

Confused on Banking
From the information below, what would be the balance forward that would result from these transactions?Starting balance: $1,115.75June 15, 20xx, check #439 issued to Griscom Hardware for supplies... more
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01/20/14

Please show me the formula you use.
Profits on Nissan Altimas and Sentras average $1200 and $850. The total profits in one month in which they sold 120 of these models was $130,350. Find the number of each sold.
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01/20/14

I'm having all kinds of trouble with this one. PLEASE HELP
There are 22 full-time employees at the shop. New employees receive $9.50 per hour, while experienced workers average $12.90 per hour. The company spends $273.60 per hour in wages. Find the number... more
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01/13/14

Find the inverse of the function.
y(x)=2x+ 1/2
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12/30/13

how to write an exponential function for a fractal tree
using the table based on a factral tree how do i write an exponential function.     Step         Number of Branches      0                         1   ... more
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12/28/13

solve sytems of linear equations
solve  8x - 6y = 14  and  12x -9y = 18       show steps
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12/28/13

word problem with system of inequalities
rick is buying souvenirs on vacation. he wants to spend $70 at most, buy only has 60 cubic inches of space availalbe in his luggage. if bracelets cost $7 and take up 3 in (3) of space and t-shirts... more
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12/22/13

Solve the problems pertaining to special right triangles. Leave all answers as reduced radicals.
http://prntscr.com/2d9afz  I need help with this so i can complete my assignment. Please help?(:
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12/18/13

Solve: -2x + 2 + x - 5 = 1 - 2x - x + 5
 How do I solve -2x + 2 + x - 5 = 1 - 2x - x + 5
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12/18/13

Given 4+3i
A. Identify the complex conjugate B. Multiply the conjugate pairs & write in standard form
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12/12/13

How would you find sinx=.3
I dont get how to do this, the problme is  sinx=.3 you have to take the inverse of n.3 and you get .305 (round) but the i dont know where to go from there, you need 2 solutions and .305 is the... more
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