4 years ago

I need help on number 2 quickkkkk!!!

Mathematics

1 answer:

Svetlanka [38]4 years ago

7 0

Answer:

Procedure in attached file

Hope it helps

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t = $2.99g + $3.25c

for b just plug in g and c

$2.99(7.9) + $3.25(4)

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benny had 266 dollars to spend on 9 books. After buying them he had 14 dollars. How much did each book cost?

Anastaziya [24]

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The books cost $28 dollars each.

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3 years ago

Find the least common denominator for these

baherus [9]

Answer:

The least common denominator of the two rational expressions is $(x+2)^{2}\cdot (x+3)$ .

Step-by-step explanation:

Let be the following rational expressions:

$\frac{x^{3}}{x^{2}+4\cdot x + 4}, \frac{-9}{x^{2}+5\cdot x + 6}$

Then, we factor each denominator:

$\frac{x^{3}}{(x+2)^{2}}, \frac{-9}{(x+3)\cdot (x+2)}$

Now, we compare each denominator to find all missing binomials so that each expression may have a common denominator:

$\frac{x^{3}}{(x+2)^{2}} \rightarrow (x+3)$

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Hence, we conclude that least common denominator of the two rational expressions is $(x+2)^{2}\cdot (x+3)$ .

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