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A chemist needs 170 milliliter of a 73% solution but has only 68% and 85% solutions available. Find how many milliliters of eachh should be mixed to get the desired solution.
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Don't know how to approach the problem
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What is the Height and Volume of Cheerios Cereal?
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how do you model (draw) an improper fraction?
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first derivative of .278(1.026)^x
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2. The theoretical probability of undesirable side effects resulting from taking Grebex is 1 in 12. If 600 people take Grebex to lower their blood pressure, how many will encounter undesirable side effects? (Points : 2)
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What formula do I use to find out how much i can afford for my house?
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Find two numbers whose sum is 240. One of the numbers is multipled by the square of the other is a maximum. find the two numbers
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Create n acrostic poem on absolute value
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Create an acrostic poem on absolute value
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Sample Questions
- 1. I’m having problems with my math. Can you help me? All I need is an example just to make sure I'm on track.
- Solve the following
- a) 3/(n+1)-1/(n+1)=14/(n^2-1)
- b) 1/(y-1 )+y/(1-y)
- c)4/(x-5)-3/(x+2)=28/(x^2-3x-10)
- d) (x-2)/(8x-24)*(5x-15)/(x^2 -4)
- e) z/(z-1)+1/2=3/z
- f) (x-3)/(x^2+2x-15)-(4-x)/(x^2-9x+20)
- 2. How do I set up this problem? An exam contains five "true or false" questions. How many of the 32 different ways of answering these questions contain 3 or more incorrect answers?
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