3 years ago

How do you solve |2b-5| + 1?

1 answer:

6 0

FIRST STEP- (2b-5)+1 Remove parenthesis . 2nd Step: 2b-5+1 Calcute Third Step: 2b-4 Factor the expression Answer // 2(b-2).

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Simplify (4xy^-2)/(12x^(-1/3)y^-5) and Show work ...?

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The answer is $\frac{x^{4/3}y^{3}}{3}$ .

The fraction is: $\frac{4xy^{-2} }{12 x^{-1/3} y^{-5} }$
Let's rewrite it: $\frac{4xy^{-2} }{12 x^{-1/3} y^{-5} }=\frac{4 }{12 }*\frac{x }{ x^{-1/3} }*\frac{y^{-2} }{ y^{-5} }$

Since $\frac{x^{a} }{x^{b}} =x^{a-b}$ ,
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*** $\frac{x}{ x^{-1/3} }= x^{1-(-1/3)} = x^{3/3+1/3} = x^{4/3}$
*** $\frac{y^{-2} }{ y^{-5} }= y^{-2-(-5)} = y^{-2+5} = y^{3}$
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$\frac{4 }{12 }*\frac{x }{ x^{-1/3} }*\frac{y^{-2} }{ y^{-5} }= \frac{1*4}{3*4}* x^{4/3}*y^{3}= \frac{1}{3} * x^{4/3}*y^{3}= \frac{x^{4/3}y^{3}}{3}$

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3 years ago

Find the least common denominator and write the equivalent fractions 3/8 and 3/10

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Answer:

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Step-by-step explanation:

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The mass of a glass bottle is 250g. Its capacity is 500mL. What is the mass when it is full of water?

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Step-by-step explanation:

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