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love history [14]
3 years ago
5

Landon wrote that 3−2.6=4. Which statement about his answer is true?

Mathematics
1 answer:
monitta3 years ago
3 0
4 is wrong because a number gets smaller, not larger when you take 2.6 from it. 3-2.6 is 0.4
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Multiply Conjugates Using the Product of Conjugates Pattern
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Answer:

The product is the difference of squares is $$(7w+10x)(7w-10x)=49{{w}^2}-100{{x}^2}$$

Step-by-step explanation:

Explanation

  • The given expression is (7w + 10x)(7w-10x).
  • We have to multiply the given expression.
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$$\begin{aligned}&(7 w+10 x)(7 w-10 x)=(7 w)^{2}-(10 x)^{2} \\&(7 w+10 x)(7 w-10 x)=49 w^{2}-100 x^{2}\end{aligned}$$

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a-3b=9

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