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3 years ago

Find the mean of 81, 97, 99, 89, 91, 76 (round to the hundredths)

Mathematics

1 answer:

Marta_Voda [28]3 years ago

3 0

Answer:

88.83

Step-by-step explanation:

To find the mean of a set of numbers is to find the average a set of numbers.

To solve for the mean you have to add all of the values together and divide that sum by the number of values there are.

Ex. 81, 97, 99, 89, 91, 76

81 + 97 + 99 + 89 + 91 + 76 = 533

533 / 6 = 88.83

↓

(number of values)

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Can someone please answer. There is a picture. It is only one question. Thank you so much!

Charra [1.4K]

We can check each of these using the Pythagorean Theorem, $a^2 + b^2 = c^2$
Option A:
$.5^2 + 1.2^2 = 1.3^2

$
.25 + 1.44 = 1.691.69 = 1.69
This option works
Option B
$1^2 + 2^2 = 3^2$
1 + 4 = 9
5 ≠ 9
This option does not work, but let's check the others to make sure
Option C:
$6^2 + 8^2 = 10^2$
36 + 64 = 100
100 = 100
This option works
Option D:
$3^2 + 4^2 = 5^2$
9 + 16 = 25
25 = 25
This option works

So, after doing the calculations, we see that option B does not work

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3 years ago

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Fittoniya [83]

Do you want to know what that would be in point slope form? Or what?

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3 years ago

6.32 divided by 54.21

slavikrds [6]

6.32 / 54.21=0.1165

Welcome

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3 years ago

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Wxyz is a rectangle at what point does the diagonals intersect

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2 years ago

1. 3x + 12 = 8x - 18

Ray Of Light [21]

Answer:

given
addition property of equality
addition property of equality
division property of equality
symmetric property of equality

Step-by-step explanation:

In step 2, -3x was added to both sides in accordance with the addition property of equality.

The same property lets you add 18 to both sides, as in step 3.

The division property of equality lets you divide both sides of the equation by 5. (Or, the multiplication property lets you multiply by 1/5.)

Swapping sides of the equal sign is allowed by the symmetric property of equality.

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3 years ago