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Brrunno [24]
3 years ago
10

Find the mean of the following set of data: 12, 8, 7, 12, 6

Mathematics
2 answers:
maks197457 [2]3 years ago
7 0

Answer:

mean = 9

Step-by-step explanation:

The mean is calculated as

mean = \frac{sum}{count} , then

mean = \frac{12+8+7+12+6}{5} = \frac{45}{5} = 9

tigry1 [53]3 years ago
6 0

Answer: 9

Step-by-step explanation:

12 + 8 + 7 + 12 + 6 = <u>45</u>

There are <u>5</u> numbers

45 / 5 = 9

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Answer:

\left \{{{y=3-\frac{x}{3} }\atop { y=-2x-2}} \right.

Step-by-step explanation:

(-3,4),(0,3)\\y=3-\frac{x}{3} \\(-3,4),(0,-2)\\\\y=-2x-2

7 0
3 years ago
A movie theater has a seating capacity of 379. The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults.
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3 years ago
Water around 9 miles in 2 1/2 hours at a constant rate how far did Walter run in an hour
Anettt [7]

Answer:

3.6?

Step-by-step explanation:

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8 0
3 years ago
Mikhael bought refreshments. Sandwiches were $3 each and bottles of water were $0.75 each. He spent $318.75 on a total of 200 it
olga nikolaevna [1]
Sandwiches = S
Water = W

S + W = 200
S +W -W = 200-W
S = 200-W

$3S + $0.75W = $318.75
$3(200-W) + $0.75W = $318.75
$600 - $3W + $0.75W = $318.75
$600 -$2.25W =  $318.75
$600 - $600 - $2.25W = $318.75 - $600
- $2.25W = -$281.25
-$2.25W/-$2.25 =  -$281.25/-$2.25
W = 125

S = 200-125
S = 75

Mikhael bought 75 sandwiches and 125 bottles of water

CHECK
$3S + $0.75W = $318.75
$3(75) + $0.75(125) = $318.75
$225 + $93.75 = $318.75
$318.75 = $318.75

3 0
4 years ago
What is the value of x that makes the given expression true?
Paul [167]
X = - 4





2(-4-8) = -4 + 5(-4)
4 0
3 years ago
Read 2 more answers
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