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zepelin [54]
2 years ago
5

HELP PLEASE DUE IN 3 MINUTES

Mathematics
2 answers:
Orlov [11]2 years ago
6 0

Answer:

d 143

Step-by-step explanation:

Mean x¯¯¯ 145.6

Median x˜ 143

Mode 123, 140, 143, 155, 167

to find the median you have to but your numbers least to greatest then count from both ends until you get to the middle

Ahat [919]2 years ago
5 0

Answer:

155

Step-by-step explanation:

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What is the highest number known to man
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Infinity

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You cannot go higher than this

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A runner finished his marathon in 180 minutes. A marathon is around 26 miles.
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1) Find the value of 7x + 3y when x = 12 and<br>y = - 6.​
dezoksy [38]

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Perform the indicated operation. Show all necessary work.
densk [106]

The subtraction of a negative number is the same as addition of the

positive equivalent of the number.

The outputs of the operations are;

  • (a) -2 - (-9) = 7
  • (b) -2 - 9 = -11
  • (c) -2 + 9 + 2 = 9

Reasons:

(a) The operation is -2 - (-9)

Which is the subtraction of negative 9 from negative 2, which gives, a double negative, which is equivalent to a positive, therefore, we get;

-2 - (-9) = -2 + 9 = <u>7</u>

<u />

(b) The operation is -2 - 9

The above operation is the subtraction of +9 from negative 2, which gives;

-2 - 9 =<u> -11</u>

(c) The operation is -2 - (-9) - (-2)

The above operation is the subtraction of negative 9, and negative 2 from

negative 2, and therefore, has two double negatives that result two

positive(s) increases, as follows;

-2 - (-9) - (-2) = -2 + 9 + 2 = 9

Learn more here:

brainly.com/question/20508039

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