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tatyana61 [14]
3 years ago
14

How do I solve a problem like -8(n+3)+28=-5n-5

Mathematics
1 answer:
Xelga [282]3 years ago
8 0
<span>-8(n+3)+28=-5n-5

-8n-24+28=-5n-5

</span>-8n+4=-5n-5

-8n+4-4=-5n-5-4

-8n=-5n-9

-8n+5n=-5n+5n-9

-3n=-9

-3n/-3=-9/-3

n=3

n=3 is the correct answer

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The ratio of teachers to students on a field trip to New York City is 2 to 9. If there are 243 students on the trip,
Veseljchak [2.6K]

Answer:

54 teachers

Step-by-step explanation:

Step one:

given data

The ratio of teachers to students on a field trip to New York City is 2 to 9.

That is the ratio is 2:9

We are told that there are 243 students

Required

We want to find the number of teachers

Step two:

Applying the part to part method we have

let the number of teachers be x

2/9= x/243

cross multiply we have

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divide both sides by 9

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4 0
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eimsori [14]

Answer:

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Step-by-step explanation:

We have to eval the expressions given in the point indicated.

Lets start by the first equation

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Now, lest continue with the others

(f/g)(-1)= f(-1)/g(-1)= (1-1)/sqrt(15)=0

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(g*f)(2)=g(2)*f(2)=sqrt(3)*(-3)=-3sqrt(3)

3 0
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This is false statement.

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Thus the given statement is false.

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Attach a pic please
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