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UNO [17]
3 years ago
8

|-900|= How know the answer

Mathematics
1 answer:
gogolik [260]3 years ago
8 0

Answer:

900

|-a|=a

just make negative 900 positive

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If it is 10:00 am at your location when it is noon along the prime meridian, what is your longitude
Rudiy27
Every 15 degrees along the line of longitude is equivalent to a time difference of 1 hour.

Given that <span>it is 10:00 am at your location when it is noon along the prime meridian</span>, this means that you are 2 hours behind the prime meridian.

The prime meridian is 0 degrees and you are 2 x 15 = 30 degrees west of the prime meridian.

Therefore, your longitude is 30 degrees west.
4 0
3 years ago
In the data set below, what is the mean absolute deviation? 3 8 6 9 2 5
zepelin [54]
<h3>Answer:  Approximately 2.1667</h3>

==========================================================

Explanation:

First we need to find the arithmetic mean.

Add up the values to get 3+8+6+9+2+5 = 33

Divide this over 6 because there are 6 values: 33/6 = 5.5

The mean is 5.5

------

Subtract the mean from each data value. Apply absolute value to ensure the result is not negative.

  • |3 - 5.5| = |-2.5| = 2.5
  • |8 - 5.5| = |2.5| = 2.5
  • |6 - 5.5| = |0.5| = 0.5
  • |9 - 5.5| = |3.5| = 3.5
  • |2 - 5.5| = |-3.5| = 3.5
  • |5 - 5.5| = |-0.5| = 0.5

Each result represents how far that specific data value is from the mean. Absolute value is used to find distance on a number line.

Add up each of those results to get: 2.5+2.5+0.5+3.5+3.5+0.5 = 13

Then divide by 6 to find the average: 13/6 = 2.1667 which is approximate

The mean absolute deviation represents the average distance any given value is from the mean. The term "deviation" refers to how far each data value is from the mean, which is the center point we're after more or less.

The MAD (mean absolute deviation) effectively measures how spread out the data set is. The larger the MAD, the more spread out the data is likely to be. The range, standard deviation and variance are also measures of spread.

6 0
3 years ago
How tall is the goal post if its shadow is 18ft. The height of the flagpole is 20 ft and its shadow is 8 ft.?
tamaranim1 [39]

You can set up an inequality to solve this. You can either do big to small --> \frac{x}{18} = \frac{20}{8} or small to big --> \frac{x}{18} = \frac{8}{20}. I'm going to be using big to small because I think it's a little easier.

\frac{20}{8} = \frac{x}{18}

Cross multiply and you will get:

360 = 8x

Isolate x:

x = \frac{360}{8}

x = \frac{90}{2}

x = 45

The goal post is 45 feet tall. Hope this helped. Good luck. : )

6 0
4 years ago
70.00 divide by 58.50​
marysya [2.9K]

WHERES THE CALCULATOR_____ WHERE IS IT

5 0
3 years ago
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5 times the sum of 7 and 23
scoundrel [369]
23 plus 7 is 30 and 30 plus 5 is 35
6 0
3 years ago
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