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lisabon 2012 [21]
2 years ago
10

Which One Doesn't Belong? Which expression does not belong with the others? Explain your reasoning.

Mathematics
1 answer:
Gwar [14]2 years ago
8 0

The expression that does not belong to the other group of expression is (c) 7(-2)(-5)

<h3>What are expressions?</h3>

Expressions are mathematical statements that are represented by numbers and/or variables

The expressions are given as:

  • 5(−3)(−1)
  • (−4)2(−6)(−2)
  • 7(−2)(5)
  • −20(−6)

Start by evaluating all 4 expressions

5(-3)(-1) = 15

(-4)^2(-6)(-2) =192

7(-2)(5) = -70

-20(-6) = 120

Notice that three of the expressions return a positive result, while one of them return a negative result

The negative expression is the odd one among the four expressions

Hence, the expression that does not belong is (c) 7(-2)(-5)

Read more about algebraic expressions at:

brainly.com/question/4344214

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During the afternoon, and 18 foot tall tree casts a shadow 25 feet long. What is the approximate andle of elevation from the end
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a tree casts a 25-foot shadow on sunny day. If the angle of elevation from the tip of the shadow to the top of the tree is 32 degree, what is the height of the tree to the nearest tenth of a foot?

 

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6 0
3 years ago
Factorize <br><img src="https://tex.z-dn.net/?f=x%20%7B%3F%7D%5E%7B2%7D%20%20%20%20%20-%20x%20-%206" id="TexFormula1" title="x {
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<h2><u>Given</u> :-</h2>

x^2 - x - 6

<h2><u>Solution</u> :-</h2>

Factorisation :-

x^2 - x - 6

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\\

Answered by - ItzMaster

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