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2 years ago

9

omg hey, so im doing my maths homework and there are 7 numbers. 3 9 3 5 7 6 1... 3 of these numbers have a mean of 6. which ones

?

1 answer:

Debora [2.8K]2 years ago

4 0

Answer:

3, 6, 9

Step-by-step explanation:

Add them together 3 + 6 + 9 = 18

Divide by 3

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Select steps that could be used to solve the equation 1 + 3x = -x + 4.

Tema [17]

For this case we have the following equation:

$1 + 3x = -x + 4$

We must solve the equation by following the steps below:

We subtract 1 from both sides of the equation:

$3x = -x + 4-1$

On the right side of the equation we have that different signs are subtracted and the sign of the major is placed:

$3x = -x + 3$

We add x to both sides of the equation:

$3x + x = 3\\4x = 3$

We divide between 4 on both sides of the equation:

$x = \frac {3} {4}$

Thus, the correct option is option B

Answer:

$x = \frac {3} {4}$

Option B

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Step-by-step explanation:

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3 years ago

Louise walked from the start of the trail to the bird lookout and back

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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