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stiks02 [169]
3 years ago
12

Given f(x)=2x+5 and g(x)=3x+6 then what is (f−g)(8)) ?

Mathematics
1 answer:
AURORKA [14]3 years ago
6 0
The answer is 6 because u have to divided it
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Fred is 58 yes old, and Irene is 18. How many years ago was Fred 5 times as old as Irene. Algebra must be used
Sedaia [141]
So let's take a peek at both's ages, keep in mind, every year, is 1year added to Irene and 1year added to Fred
so... if we look at their ages  \bf \begin{array}{ccllll}
fred&irene\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
58&18\\
57&17\\
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...&...
\end{array}

notice, Fred is always 40years older than Irene

thus, whatever age Irene is, let's say "i", then Fred is " i + 40 "

now, when is Fred 5 times Irene's age or 5*i or 5i? well, 

f = fred's age    i = irene's age

f = i + 40
now if  f = 5i

5i = i + 40   <---    solve for "i" to see how old Irene was then
3 0
3 years ago
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Monica [59]

Answer:4.8

Step-by-step explanation:

4 0
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A 12 ounce bottle of shampoo lasted Nina 8 weeks how long would an 18 once bottle of shampoo last her
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Answer:

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Step-by-step explanation:

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4 0
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Answer:

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Step-by-step explanation:

I hope I have helped you can you put that this is the smartest answer please?

5 0
3 years ago
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