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maksim [4K]
3 years ago
8

6(x + 4) = 36 please someone help me

Mathematics
2 answers:
kenny6666 [7]3 years ago
8 0

Answer:

x = 2

Step-by-step explanation:

Since you need to find x lets make sure to leave that variable in one side of the ecuation so the firts thing you need to do is pass the 6 to the right side of it.

x+4 = 36/6 (notice that 6 passed dividing since it was multiplying (x+4))

After we've done that now we've got that

x + 4 = 6

Now we need to move the "+4" to the right side so we can have only x in the left side.

x = 6 - 4 (notice that the 4 now is being substracted by six, this is determined by the so called "ecuation rules")

So finally we only substract and we get to know that x = 2. So now we can check that its true by replacing its value in the original ecuation.

6(x + 4) = 36

6(2 + 4) = 36

6(6) = 36

36 = 36

Sveta_85 [38]3 years ago
4 0
The Answer issss x=2
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Answer:

The test statistic for this test is 3.82.

Step-by-step explanation:

The null hypothesis is:

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The alternate hypotesis is:

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Our test statistic is:

t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

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3 years ago
Solve x2 - 8x = 20 by completing the square. Which is the solution set of the equation?
Artyom0805 [142]

Answer:

{-2,10}

Step-by-step explanation:

x^2 - 8x = 20

Take the coefficient of x

-8

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Add this to each side

x^2 - 8x+16 = 20+16

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Take the square root of each side

sqrt((x - 4)^2) =±sqrt( 36)

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Add 4 to each side

x-4+4 = 4±6

x = 4±6

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