## varibles, Algebra

Assignment Help:
2x-1=10
I got 9/2 but i''m not sure if that is really right

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4 pipes can fill a tank in 70 minutes.how long will it take to fill the tank by 7 pipes

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I dont really understand it can you help me

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How do you do it?

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There is a third method that we'll be looking at to solve systems of two equations, but it's a little more complicated and is probably more useful for systems with at least three e

#### College algebra, find the domain and range of f(X)=2*3^x+5

find the domain and range of f(X)=2*3^x+5

#### Homework, will you guys help mw with my homework?

will you guys help mw with my homework?

#### Math, how do you simplify 18 over 24

how do you simplify 18 over 24

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add - 3a + b - 10 -6c, c -d- a + 9 and - 4c +2a - 3b - 7