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Serggg [28]
3 years ago
7

Find the greatest common factor of 12 and 16. The expression that can be used to find the GCF is 2×2 because you... A. multiply

all the prime factors of both numbers B. multiply the prime factors of the greater number C. multiply the common prime factors of both numbers
Mathematics
1 answer:
yarga [219]3 years ago
6 0
Multiply the common prime factors of both numbers

becaseu it is called greatest common factor


C is answer
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What is X ? <br> 9(x−1)−8x=−3(x+5).
musickatia [10]

Answer:

x = - 3 / 2 ( in decimal form = - 1.5)

Step-by-step explanation:

9(x - 1) - 8x = -3(x + 5)

left side: 9(x - 1) - 8x

Expand... 9x - 9 - 8x

             = (9x - 8x) - 9

             = 1x - 9 or <em>x - 9</em>

right side: -3(x + 5)

Expand... <em>-3x - 15</em>

         

combine :

x - 9 = -3x - 15

Add 9 to both sides to get x alone

x - 9 + 9 = -3x - 15 + 9

x = -3x - 15 + 9

x = -3x - 6

Add 3x to both sides

x + 3x  = -3x - 6 + 3x

simplified, 4x = -6

Now divided 4 from both sides

4x / 4 = -6 / 4

simplify, x = -6 / 4

You can reduce the fraction by dividing it by 2

(-6 / 2) / (4 / 2) = -3 / 2

Hope this helps, Let me know if you have any questions !

Have a nice day :)

5 0
2 years ago
he pay a fixed charge of $30 plus $10 per hour to rent the digger work out how much he pays to rent the digger for?
Maslowich
How many hours does he rent it?

Either way, the equation would be 30 + 10x

x is the number of hours he rents the digger.

So for example, if he rented it for say 8 hours

30 + 10(8)
30 + 80
$110
7 0
3 years ago
No links or weird answers, please :(<br> Are all of these graphs functions? Explain why or why not.
finlep [7]
The only grab function is 2 because 1 and 3 don’t even make sense it’s not a negative slope, positive slope, undefined slope, or zero slope therefore it’s nothing.
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3 years ago
For Matthew's lemonade recipe, 4 lemons are required to make 6 cups of lemonade. At what rate are lemons being used in cups of l
Svetlanka [38]

Answer:

1.5 cups of lemonade per 1 lemon

Step-by-step explanation:

find the unit rate:

4/4=1

6/4=1.5

1.5 cups of lemonade per 1 lemon

I hope I read this correctly

3 0
3 years ago
A major car manufacturer wants to test a new engine to determine if it meets new air pollution standards. The mean emission, μ,
bonufazy [111]

Answer:

Step-by-step explanation:

the appropriate null and alternative hypotheses's are something

8 0
2 years ago
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