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svet-max [94.6K]
3 years ago
14

Solve: 16/9 = 40/g 640 360 71.1 22.5

Mathematics
1 answer:
Alla [95]3 years ago
6 0

Answer:

g=22.5

Step-by-step explanation:

To solve, cross multiply

16/9=40/g

16*g=40*9

16g=360

Divide both sides by 16

16g/16=360/16

The 16s on the left will cancel, leaving us with

g=22.5

So, g=22.5, and the correct choice is the last one

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Explanation

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Add and simplify 1/5 + 1/10
aliya0001 [1]

In order to add these fractions we have to make a common denominator.

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now lets multiply.

\frac{2}{10} × \frac{1}{10}

Now we add across

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7 to the negative 3rd porwer times 7 to the negative 2nd porwer times 2 the 0 power divided by 7 to negative 1st power times 7 t
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oof

remember some rules

(a/b)(c/d)=(ac)/(bd)

\frac{x^a}{x^b}=x^{a-b}

x^0=1

(x^a)(x^b)=x^{a+b}

x^{-a}=\frac{1}{x^a}


\frac{(7^{-3})(7^{-2})(2^0)}{(7^{-1})(7^{-4})(2^3)}=

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\frac{1}{8}

7 0
3 years ago
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