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Gre4nikov [31]
3 years ago
14

Emma wrote the expression 2(3w-6) to represent the amount of money that Juan spent.Is she correct?Explain

Mathematics
2 answers:
ELEN [110]3 years ago
7 0
No you have to distribute soot would be 6w-12 i think
sashaice [31]3 years ago
5 0

Total money earned by Juan = 3w-6

Now Juan saved 1/3 of the money.

So money Juan spent will be 2/3 of what he earned.

Money Juan spent :

\frac{2}{3} (3w-6)

Simplifying we get :

2w-4

Emma wrote the expression as 2(3w-6) which is not equal to 2w-4.

So we can say that the expression found by Emma was incorrect .

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Answer:

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Answer 1:

It is given that the positive 2 digit number is 'x' with tens digit 't' and units digit 'u'.

So the two digit number x is expressed as,

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The two digit number 'y' is obtained by reversing the digits of x.

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y=10u+t

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Answer 2:

It is given that the sum of infinite geometric series with first term 'a' and common ratio r<1 = \frac{a}{1-r}

Since, the sum of the given infinite geometric series = 200

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Step-by-step explanation:


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3 years ago
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Answer:

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