02/05/15

How many revolutions per minute are the wheels turning?
The diameter of each wheel of a bicycle is 26 inches. If you are traveling at a speed of 35 miles per hour on this bicycle, through how many revolutions per minute are the wheels turning?
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02/05/15

Follow up question for |3-9| / 3-9. Confused. Positive or negative?
Question: |3-9| the answer I get is -6/-6 which I would think is 1. according to my book, the answer is -1.____ 3-9 Now, if this was a fraction being simplified, I get that the answer would be -1.... more
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02/05/15

12x-2y=1; y=6x-8
slove by substitution
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02/05/15

nine is three times the difference of a number and two
 Translate and solve
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02/05/15

need help setting up the algebra equation in this word problem
the two stadiums with the largest cpapcities are marshfield and Bowden stadium. The capacity of marshfield exceeds that of bowden by 6,897 people. Combined, the two stadiums have a cpacity of... more
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02/05/15

A recipe calls for some sugar. You have 2/3 cup of sugar in our pantry, but that' only 3/4 of what you need. How much sugar do you need for the recipe?
Draw an illustration to support your answer.
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02/05/15

If all the values in a set are increased by 10, does the range also increase by 10,? explain?
Statistics question pls explain me 
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02/05/15

if the value for the median of a set is not found in the data set what must be true about the data set?
It's statistics question  pls help me 
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02/05/15

A rectangle is 24 in. long, by 12 in. wide, and 18 in. high.
If each dimension is increased by x in., polynomial function in standard form modeling the volume V of the box.   I can't figure out how to start this problem  
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02/04/15

Word problem
Your car's fuel efficiency is 24.2 miles per gallon. You are going on a trip this weekend and will be driving a total of 272 1/4 miles. If gasoline costs $1.489 per gallon, about how much will the... more
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02/04/15

Which of the following functions illustrates a change in amplitude?
Which of the following functions illustrates a change in amplitude?   a) y=tan2x b)y=-2-cos(x-π) c) y=-2cox6x d)y=1+sinx     I think it is D....
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02/04/15

Which description matches the transformations y=cosx undergoes to produce y=-3cos(x)+1
Which description matches the transformations y=cosx undergoes to produce y=-3cos(x)+1   a) Vertical stretch by factor 3, reflection through the x-axis, then a vertical shift up 1... more
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02/04/15

Word problem
The function A(s) given by A(s)=0.328s+52 can be used to estimate the average age of employees of a company in the years 1981 to 2009. Let A(s) be the average age of the employee, and s be the... more
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02/04/15

evaluate each expression a=3 b=4 c=12 and d=(-4) a+ 2d
i need answer and steps by today.
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02/04/15

What is the period for the secant function? (Answer in radians.)
What is the period for the secant function? (Answer in radians.)   My answer: 2pi.   Is that right? How do I write it in radians?
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02/04/15

Which function has a domain of all real numbers?
Which function has a domain of all real numbers?   A). y=sinx B) y=secx C) y=cotx D)=tanx   I think it is A, sine.  Correct?
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02/04/15

Which of the following is a sinusoid
Which of the following is a sinusoid?   A). x^2+y^2=1 B)x^2/3 + y^2/6=1 C). cuberoot(x)  D) y=cos(x)-2   I am thinking it's D....is that correct? Could someone explain what a sinusoid is?... more
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02/04/15

After 80.0 min, 26.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
After 80.0 min, 26.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
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02/04/15

A=1/2bh For b
Solve the formula.
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02/04/15

If 8 boxes of tissue cost $10.00, how much will 15 boxes of tissue cost?
Solve the problem 
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02/04/15

Solve the equation ? 5m/6=-60
Solve the equation : 5m divided by 6 equals negative 60? am I suppose to times 5/6 to each side
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02/04/15

Translate the sentence into an equation. use the variable w for the unknown number
Three times the sum of a number and 5 is equal to 2
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02/04/15

-7-8=3x+4-2x the solution is x=
working on distributive property. Real confused
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02/04/15

Math Help For College
 richard and colleen want to save for a boat.they estimate that they,ll need about $4,5000 in 7 years.their bank offers a 2% interest rate compounded semiannually. how much would they need to... more
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02/04/15

world problem
Hexane has a density of 0.659g/mL. How many milliliters(mL) would you need to pour in order to get 49.5 g of hexane.
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