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3 years ago

HELP ME WILL MARK Brainly

Mathematics

1 answer:

Viktor [21]3 years ago

6 0

Answer:

mean (average) is 17.6

mean absolute deviation is 15.2

Step-by-step explanation:

to find mean, u add up all your numbers and divide by how many there are...

to find mean absolute deviation you find the mean of the data and subtract that amount to each of your data pieces...

then u find absolute value of each of them (to make them all positive)

then u add all of those numbers up and divide by how many there are, and that is your answer!!

Hope this helps u in the future!!

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What is the ratio of purple cylinders to total cylinders, there are 7 purple and 1 yellow.

Dominik [7]

Answer:

7:8

Step-by-step explanation:

There are 7 purple cylinders. There are 8 total cylinders (7 purple and 1 yellow). So the ratio is 7:8

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3 years ago

A boy walks 6 km from a point P to a point Q on a bearing of 065. He then walks to a point R at a distance of 13 km on a bearing

Usimov [2.4K]

9514 1404 393

Answer:

see below for a sketch
12 km

Step-by-step explanation:

The distance can be calculated using the Law of Cosines. The angle internal to the triangle at Q is (180°-(146° -65°)) = 99°. Then the distance PR can be found from ...

PR² = PQ² +QR² -2·PQ·QR·cos(∠PQR)

PR² = 6² +10² -2·6·10·cos(99°) ≈ 154.77

PR ≈ √154.77 ≈ 12.44 . . . . km

The distance PR is about 12 km.

6 0

2 years ago

Fraction calculator 66 1/2 - 43=

zhuklara [117]

Answer:

$\frac{47}{2}$

Step-by-step explanation:

66 $\frac{1}{2}$ - 43 = 47/2

6 0

3 years ago

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Use compatible numbers to estimate the quotient 5,514÷82

Sphinxa [80]

The answer is 67 because 67 x 82 is 5,494 which us close to 5,514

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2 years ago

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Question 10(Multiple Choice Worth 5 points)

MAVERICK [17]

So u have-27, positive 36

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2 years ago