02/12/15

PLease answer my question below
the admission at a concert was $9.00 for adults and $4.00 for children if the total gate receipts were $775 and there were 125 people in attendance how many adult and childrens tickets were sold
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02/12/15

Identify the solutions of the system of equations if any -3x-4y=2 8y=-6x-4
a. infinately many solutions b.(-16/9,5/6) c.(-2/3,0) D. NO SOLUTION   UP ABOVE IS NOT NEGATIVE IT IS 16-9 BUT 16/9
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02/12/15

Simplify the radical expression
Simplify the radical expression. All variables represent positive real numbers.   fourth-root 162(x^12)(y^4)
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02/12/15

trigonometric function
Find s if sec s =1.796 Assume that s terminates in [0,π/2].   Round the answer to four decimal places.
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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
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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 
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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 
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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? 
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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?
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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)
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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.
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02/10/15

Slope: Perpendicular Lines
What is the slope of a line perpendicular to -1/2?
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02/10/15

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... more
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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?
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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?
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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... more
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02/09/15

simplify sin^4X - cos^4X = 2sin^2-1
need help solving this trognometirc identity
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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.
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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  
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02/09/15

given that y=x^2-4 and x=(2t^2+1)^1/2, find dy/dt when t= 2^1/2
 y=x2-4 x=(2t2+1)1/2 t=21/2
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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... more
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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
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