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Olin [163]
3 years ago
8

The distance between -7 and 2 on the number Iine is O 10 09 0-5 05

Mathematics
1 answer:
mr Goodwill [35]3 years ago
5 0

Answer:

9

Step-by-step explanation:

Calculate the absolute difference of the 2 points, that is

| - 7 - 2 | = | - 9 | = 9 , or

| 2 - (- 7) | = | 2 + 7 | = | 9 | = 9

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The sum of Ali and Mel's age is 39. If Mel is 3 years younger than twice Ali's age, how old is Mel?
olga55 [171]

Answer:

Age of Mel is 25 years.

Step-by-step explanation:

It is given that,the sum of Ali and Mel's age is 39. If Mel is 3 years younger than twice Ali's age.

Let 'x' be the Ali's age  and 'y' be the Mel's age

<u>To find the value of x and y</u>

sum of Ali and Mel's age is 39

⇒ x + y = 39    ------(1)

  Mel is 3 years younger than twice Ali's age

⇒ y = 2x - 3   -------(2)

⇒  2x - y = 3  -----(3)

(1) + (3) ⇒  

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----------------

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4 0
3 years ago
i’m order for a graph to be proportional it must cross through the origin. A.true B.false
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Answer:

True

Step-by-step explanation:

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8 0
2 years ago
Read 2 more answers
Given that cosine theta = -1/2 and theta is obtuse find sin4theta
igomit [66]

Answer:

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Step-by-step explanation:

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theta = 120

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5 0
3 years ago
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