2 years ago

Directions: Simplify the following expressions.

1 answer:

7 0

1. 12
2. 0
3. 10
4. 18
5. 12
6. 20
7. 10
8. 12
9. 16
10. 72
11. 58
12. 6x
13. 21x
14. 12x + 24
15. 39x - 39
16. 48x + 72x

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If f(x)=2x-4, what would be the answer if f(3)-1??

Vinil7 [7]

Answer:

Step-by-step explanation:

We have the function

$f(x) = 2x - 4$

and we want to know the value of $f(3) - 1$ .

The first step is to find $f(3)$ ; we can subtract 1 from it at the end! But what does $f(3)$ mean?

Basically, we're saying "what is the value of the function when $x = 3$ ?"

So, we simply replace $x$ with 3 in the function, and we get:

$f(3) = 2\times 3 - 4 = 2$ .

Finally, we subtract 1 to find $f(3) - 1 = 1$ .

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FromTheMoon [43]

Answer:

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Step-by-step explanation:

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Answer will get the brainliest

tia_tia [17]

I agree with him that’s the answer

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3 years ago

Al washed a car in 6 minutes. Fred washes the same car in 8 min. How long dies it take Al and Fred to wash the car together?

Roman55 [17]

$In\ 1min\ Al\ wash\ \frac{1}{6}\ car.\\In\ 1min\ Fred\ wash\ \frac{1}{8}\ car\\\\Together\ in\ 1min:\frac{1}{6}+\frac{1}{8}=\frac{4}{24}+\frac{3}{24}=\frac{7}{24}\ car\\\\Answer:Al\ and\ Fred\ wash\ the\ car\ in\ \frac{24}{7}min=3\frac{3}{7}min\approx3.5min$

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3 years ago

6а – 2а = -48 Need help

Alona [7]

Step-by-step explanation:

6а – 2а = -48

4a=-48

a=-12

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3 years ago

Read 2 more answers