02/11/15
write an equation that gives the # of headbands, h, sold in terms of the number of years in business ,y.
in one 6 years, I sold 4180 headbands. in 12 years I sold 5710
02/11/15
Linda drove 4 hours. The traffic was heavy on the trip home and slowed her adverage speed by 6mi/hour. The return trip took 4.5 hour. How last did she drive
algebraically determine her adverage speed in each direct
02/11/15
In the parking lot at a truck stop there were 6 more cars than 18-wheelers. There were 134 wheels total. How many cars and trucks were there?
So CONFUSED
02/11/15
How old are they now?
Miriam is four years older than Ricardo. Ten years ago Miriam was 3 times as old as Ricardo was then. How old are they now?
02/11/15
The value of the new car purchased for $27600 depricates 10%per year.
Write an exponential decay model for the value of the car.After about how many years will the car be worth half of its purchase price?
02/11/15
Find the lowest common denominator for the fractions shown. 3a^2/a^2+a+1, 2a/a-1, a^3/a^3-1
Find the lowest common denominator for the fractions shown. 3a^2/a^2+a+1, 2a/a-1, a^3/a^3-1. A. a^3-1
b. (a^3-1)(a^2+a+1)
c. (a+1)^2(a-1)
02/10/15
Prove k^2=(1^2) +(2^2) + (3^2) +....+(n^2)= [n(n+1)(2n+1)/6] using induction.
Prove k^2=(1^2) +(2^2) + (3^2) +....+(n^2)= [n(n+1)(2n+1)/6] using induction.
Slope: Perpendicular Lines
What is the slope of a line perpendicular to -1/2?
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Word problem need help please
A baseball team plays in a stadium that holds 55,000 spectators. With the ticket price at $10, the average attendance at recent games has been 27,000. A market survey indicates that for every...
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02/10/15
Find all solutions of the equation. Note that you can use the "sine shuffle" backwards. (sin2x)(cosx)+ (cos2x) (sinx)=1?
Find all solutions of the equation. Note that you can use the "sine shuffle" backwards. (sin2x)(cosx)+ (cos2x) (sinx)=1?
02/10/15
Find the exact decimal of the coefficient x^6 y^6 in the expansion of (0.5x+0.5y^2)^9?
Find the exact decimal of the coefficient x^6 y^6 in the expansion of (0.5x+0.5y^2)^9?
02/09/15
solve problem
The time t required to do a job varies inversely as the number of people working. It takes 3 hr for 5 cooks to prepare the food for a wedding rehersal dinner. How long will it take 8 cooks to...
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02/09/15
for f(x) = (5/x), find an equation for the secant line through the points where x=1 and x=5
for f(x) = (5/x), find an equation for the secant line through the points where x=1 and x=5.
02/09/15
Find the height and base of the triangle.
The base of a triangle is 5 cm greater than the height. The area is 33 cm2. Find the height and base of the triangle.
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02/09/15
Find values of a and b so f in continuous at x=1 and has a derivative at x=1
f(x)= {2x2+ax-1 if x≤1
{bx3+x2+2 if x>1
02/08/15
How long will it take for a $16000.00 investment to grow to $20000.00 if it is invested at a 4% annual simple interest rate?
How long will it take for a $16000.00 investment to grow to $20000.00 if it is invested at a 4% annual simple interest rate?
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02/08/15
algebra homework
A patient is not allowed to have more than 300 milligrams of cholesterol per day from a diet of eggs and meat. Each egg provides 150 milligrams of cholesterol. Each ounce of meat provides 100...
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02/08/15
A 14-inch by 20-inch print of the Eiffel Tower in Paris, France, is also available as a postcard 6 inches long. What is the width of the postcard?
My teacher sucks at explaining. So I really need help.
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02/08/15
solve the problem
sales for a small clothing company can be modeled by the linear function s(x)+3434x+48,632 where x is the number of years since 2005 and s(x) in dollars find the sales in 2010
02/07/15
It takes john 4.5 hours to paint a room and it takes his apprentice 9hours. How long will it take if they work together
It takes john 4.5 hours to paint a room and it takes his apprentice 9 hours. How long will it take if they work together
02/07/15
How many calories are in each drink?
A small can of energy drink contains 2 more calories than 4 times the number of calories in a shot of the same energy drink. If a small can and a shot contain a total of 97 calories, how many...
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02/05/15
Homework help
The value of a machine depreciates according to the function f(x) = 20000(1/2)x, where x is the time in years from the purchase of the machine. Find its value after 3 years.
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