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lawyer [7]
3 years ago
10

What is the meaning for “mean” in math?

Mathematics
2 answers:
In-s [12.5K]3 years ago
7 0
Basically, in math the "mean" is a set of numbers that you add, then take the sum and divide it by how many numbers are in that set. Here is an example: 6, 7, 4, 5, 8, 9, 3. The sum of the numbers in this set is 42. However, there are 7 numbers in this set. So basically what you would do is take the sum of the numbers, 42, and divide it by the amount of numbers that are in this particular set, 7. So, 42÷7=6. So now you have figured out that the mean is 6. I hope this could be helpful!
eimsori [14]3 years ago
6 0
Mean is average of the numbers

Ex.
7,3
7+3=10/2=5
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A blue chip company that makes computer chips found that 2 out of
Wittaler [7]

Answer: Approximately 0.667%

Work Shown:

2/300 = 1/150 = 0.00667 = 0.667%

So less than 1% of the chips are defective.

6 0
3 years ago
QwQ hate math exams will mark brainliest and it’s worth 30 points <3
padilas [110]

Answer:

About 8.6 units.

If you count up and sideways, it would be 12, but then there is some stuff we need to calculate at the end because it's not fully.

7 0
3 years ago
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A gardener cuts a plant down by 1 5/8 inches.The plant then grows 9 1/4 more inches. What is the total change in the height of t
Fynjy0 [20]

Answer:

7 7/8 inches

Step-by-step explanation:

Example:

Start with a 3 inch plant

3 - 1 5/8 = 1 3/8

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9 1/4 - 1 3/8 = 7 7/8

6 0
3 years ago
For each expression, write an equivalent expression that only uses addition a. 20 - 9 + 8 -7 b. 4x - 7y - 5z + 6 c. -3x - 8y - 4
Genrish500 [490]

Answer:

a. =11+ 1

b. =4x+ (-7y) + (-5z) +6

c. (-3x) + (-8y) +(-4)+(-8/7z)

Step-by-step explanation:

a. 20 - 9 + 8 -7

=11+ 1  ( this is obtained by solving)

b. 4x - 7y - 5z + 6

=4x+ (-7y) + (-5z) +6

We multiply the negative sign with the positive sign to get a minus so the answer remains the same and the expression is written as an addition sum.

c. -3x - 8y - 4 - 8/7z

-[ 3x+8y+4+8/7z]

or

(-3x) + (-8y) +(-4) +(-8/7z)

The minus sign is taken as common leaving the expression with the plus only.

It can be written in the same manner as above, adding the negative terms so that the expression is written as a sum.

3 0
2 years ago
118 {121÷(11×11)-(-4)-(3-7)}​
Rama09 [41]

<u>Q</u><u>uest</u><u>ion</u><u>:</u>

To Simplify:

118 {121÷(11×11)-(-4)-(3-7)}

<u>Solu</u><u>tion</u>:

↠118 {121÷121+4-(-4)}

↠118 {1+4+4}

↠118 {5+4}

↠118{9}

↠118×9

↠1062

▬▬▬▬▬▬▬▬▬▬▬▬

The upper Solution is done by applying BODMAS

<u>Abou</u><u>t</u><u> </u><u>BODMAS</u><u>:</u>

B→ Bracket

O→ Of

D→ Division

M→ Multiplication

A→ Addition

S→ Subtraction

5 0
2 years ago
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