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Aleksandr [31]
3 years ago
11

Plz help mezzzzzaZzZzZzZzZzZ

Mathematics
2 answers:
kaheart [24]3 years ago
7 0

Answer:

  1. 1/3
  2. 3

Step-by-step explanation:

Typically you would want to solve this equation by dividing both sides by 3 but we need to find an equivalent equation that gives the same answer. 3 divided by 3 is the same as 3 times 1/3. Thus;

3x * 1/3 = 9 * 1/3

x = 3

Best of Luck!

Semmy [17]3 years ago
3 0

Answer:

3

Step-by-step explanation:

3x = 9

= 3x/3 = 9/3

= 3

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Step-by-step explanation:

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How do you know where to shade above or below or left or right the boundary line in a linear inequality?
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3 years ago
The mean weight of five complete computer stations is 167.2 pounds. The weights of four of the computer stations are 158.4 pound
Lynna [10]

The mean weight of five complete computer stations is 167.2 pounds.

The weights of four of the computer stations are 158.4 pounds, 162.8 pounds, 165 pounds, and 178.2 pounds.

We have to determine the weight of fifth computer station.

Let the weight of fifth computer station be 'x' pounds.

Mean is calculated by sum of all the observations divided by the total number of observations.

So, \frac{158.4+162.8+165+178.2+x}{5}=167.2

\frac{664.4+x}{5}=167.2

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The weight of fifth computer station is 171.6 pounds.

3 0
3 years ago
Read 2 more answers
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