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3 years ago

How do you calculate the mean I (I will Bralnllest;)

Mathematics

2 answers:

pishuonlain [190]3 years ago

8 0

Answer:

To calculate the mean, you have to add up all of the numbers. Then you divide the sum by the amount of numbers you added together.

Step-by-step explanation:

Example: 1,2,3,4,5

1+2+3+4+5 = 15

15/5 = 3 (I added 5 numbers together, so I divided by 5)

sergey [27]3 years ago

4 0

Answer:

The mean is the average.

Step-by-step explanation:

You add all the numbers up then divide how many numbers in total there are.

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Value of x for 12(x-2)+3x=1/2(x+6)+2

Damm [24]

Answer:

The value of x = 2

Step-by-step explanation:

Given the equation

$12\left(x-2\right)+3x=\frac{1}{2}\left(x+6\right)+2$

Expand 12(x-2) = 12x - 24

Expand 1/2(x+6) = 1/2x + 3

so the equation becomes

$12x-24+3x=\frac{1}{2}x+3+2$

simplifying

$15x-24=\frac{1}{2}x+5$

$15x=\frac{1}{2}x+29$

multiplying both sides by 2

$30x = x + 58$

subtracting x from both sides

$30x - x = 58 - x$

$29x = 58$

divide both sides by 29

$\frac{29x}{29}=\frac{58}{29}$

simplifying

$x = 2$

Therefore, the value of x = 2

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3 years ago

Mark scored 138 points in 6 games. How many points did he score per game?

WINSTONCH [101]

Answer:

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Explanation:

7 0

3 years ago

Read 2 more answers

How do I work this out?

pentagon [3]

1. 1/4(x+3)=12=X+3-12*4/4=X-45/4. Then, x-45/4=0. So, 1. X=45. 2. x+4/3=12=3x-32/3*3=0*3. 3x-32=0. You add 32 to each sides. 3x=32. x=32/3. Therefore, 1. x=45 and 2. x=32/3

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3 years ago

What is 2 ½ divided by ½ equal too

miv72 [106K]

Answer:

it woulb be 1.25

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3 years ago

Which number will make the fractions equal? 3/10 = 30/? A) 1 B) 10 C) 100 D) 1000

lubasha [3.4K]

Answer:

c) 100

Step-by-step explanation:

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3 years ago

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