12/15/14

how much is the bike?
briana and her sister both want the same bike. briana needs $73 more before she can afford it, molly needs $65 more. if they combine their money they have just enough to buy one bike to share. what... more
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12/15/14

A sail is in the form of a right triangle that is four times as high as it is wide. The sail is made from 18 square meters of material. What is its height?
This is solved by using the Quadratic equation but i have no clue how to.
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12/15/14

After taking 5 quizzes, your average is 57%. What must you average on the next 4 quizzes to get a C- (70%)
It's an algebra 2 question and I don't know how to set the problem up.
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12/15/14

write the equation of the line perpendicular to y=-3x-5 that contains (3,4)
I need help with this please.
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12/12/14

please help!!! We can't get it
Clara and her friends are planning a trip to paintball park. Find the cost of lunch and the cost of each paintball. What would the cost be for 400 paint balls and lunch?          •$25 for 500... more
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12/12/14

a 5 pound box of frozen peas cost 2.90 how much does a 3 ounce serving cost
help with thiso math 
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12/12/14

How long will it take for an investment to double in value if the interest rate is 8.5% compounded semi annually
Use the formula A=P(1+r/n)^rt   i am confused on how to do the problem    
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12/12/14

2x^2+4x factored
How do I get the answer to factorizing  
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12/11/14

A pro golfer had scores of 69, 72, and 74 on his first three rounds of golf. To qualify for the Ryder Cup Team, he must have an average score no greater than 70
A pro golfer had scores of 69, 72, and 74 on his first three rounds of golf. To qualify for the Ryder Cup Team, he must have an average score no greater than 70. What must the fourth score be?
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12/11/14

Find det B. How does det B compare to det A? Make a general statement about det A and det B if B is obtained from A by interchanging two rows of A.
i need help
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12/10/14

Past experience shows that they need twice as many sans as small trucks. How many of each type of vehicle can they buy?
The U-Drive Rent-A-Truck company plans to spend $14 million on 280 new vehicles. Each commercial van will cost $55,000, each small truck $20,000, and each large truck $70,000. Past experience shows... more
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12/10/14

tickets for the school play sell for $3 for a student and $5 for an adult. one night, 595 people bought tickets for a total sale of $1951. how many adult and ho
tickets for the school play sell for $3 for a student and $5 for an adult. one night, 595 people bought tickets for a total sale of $1951. how many adult and how many student tickets were sold?
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12/09/14

What is the domain of the function
What is the domain of the function f(x)= x+1/2x-1   A.all real numbers except −1 B.all real numbers except  C.all real numbers except  D.all real numbers except 1  
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12/09/14

A bag contains five sticks. The length of the sticks are 1 inches, 3 inches, 5 inches, 7 inches, and 9 inches. Suppose you pick 3 sticks from the bag at random.
Its for my geometry class and I know that you can make a triangle if you draw any three sticks excluding the 1 inch stick  but I don't know how to calculate the probability.
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12/08/14

Find a function defined on all real numbers
Suppose f(x) is a function defined on all real numbers and that logbf(x)=3x. What is f(x) written explicitly?
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12/05/14

Select the x-coordinate of the vertex of the parabola defined by the function f(x) = -3x2 + 7x + 5.
Select the x-coordinate of the vertex of the parabola defined by the function f(x) = -3x2 + 7x + 5.
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12/05/14

The sum of a certain number and a second number is -42. The first number minus the second is 52. Find the numbers.
Answer please.
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12/04/14

A bat ate 1050 mosquitos in four nights. Each night she ate 25 more than the night before. How many did she eat each night?
This is for extra credit in my math class. I asked my mom and dad how they would do it and we spent 2 hours on this problem. Please help!!!
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12/04/14

what is the relationship between
what is the relationship between f(x)=bx  and g(x)=logb(x)? Assume that b is a positive real number and not equal to 1.
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12/03/14

Find a linear function r(p) that models the number of rooms rented as a function of price per room p?
A local hotel rented 450 rooms two nights ago when they charged $75 for each room. The following night they rented 600 rooms when they lowered the price to $60 per room. Assuming that this rate of... more
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12/03/14

Find the time it takes for the ball to return back to ground level? Find the maximum height reached by the ball?
A soccer ball is kicked from 3 feet above the ground. The height, h, in feet of the ball after t seconds is given by the function h=-16t^2+64t+3
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12/03/14

If the area of the garden is 270 square feet, what are the dimensions of the garden?
The length of a rectangular garden is 21 feet longer than its width. If the area of the garden is 270 square feet, what are the dimensions of the garden?A) First, write a quadratic equation in the... more
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12/03/14

How much would you have to sell in a week in order for the straight commission offer to be at least as good?
You are offered two different sales jobs. The first company offers a straight commission of 6% of the sales. The second company offers a salary of $ 340 per week plus 3% of the sales. How much... more
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12/02/14

find two consecutive integers whose sum s -97
Seventh grade math
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12/02/14

two streetcars are 11 miles apart and traveling toward each other on parallel tracks, They meet at 12 minutes. Find the speed of each streetcar if one travels 1
two streetcars are 11 miles apart and traveling toward each other on parallel tracks, They meet at 12 minutes. Find the speed of each streetcar if one travels 15 miles per hour faster than the other
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