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3 years ago

PLEASE HELP ASAP 50 POINTS

Mathematics

2 answers:

GuDViN [60]3 years ago

6 0

Answer:

See below.

Step-by-step explanation:

3x + 6 = 3(x + 1) + 3

3x + 6 = 3x + 3 + 3

3x + 6 = 3x + 6

You can make x any value you like and the value of the left side of this identity will always equal the value of the right side.

So the equation has infinite solutions.

If we solve it for x we see that we get 6 = 6:-

3x + 6 = 3x + 6

3x - 3x + 6 = 6

6 = 6.

Katen [24]3 years ago

4 0

Answer:

3x times 5=5 times 3x

Step-by-step explanation:

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8th grade math please help

zubka84 [21]

Answer: $\bold{a)\quad E=\dfrac{1}{5}s}$

b) 75

c) $24

<u>Step-by-step explanation:</u>

the difference in the y-values (electricity) divided by the difference in the x-values (students) is the rate of change. $\dfrac{10}{50}=\large\boxed{\dfrac{1}{5}}$

Electricity = rate of change × students ⇒ $E=\dfrac{1}{5}s$

b) Find s when E = 15

$15=\dfrac{1}{5}s\\\\\\(5)15=(5)\dfrac{1}{5}s\\\\\\\large\boxed{75 = s}$

c) Find E when s = 120

$E=\dfrac{1}{5}\times 120\\\\\\E=\dfrac{120}{5}\\\\\\\large\boxed{E=24}$

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Answer:

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Step-by-step explanation:

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