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3 years ago

6

What are the important things an 8th grader needs to know about math?

2 answers:

gogolik [260]3 years ago

7 0

Always foucus on the teacher ask help when needed

tatuchka [14]3 years ago

5 0

Be prepared for lots of work and listen it will make math so much easier also ask questions from your teacher he or she is there for a reason. Practice practice practice!!!

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What 2 square numbers have a difference of 55

Mrrafil [7]

$a^2-b^2 =55 \\ \\ 28^2 -27^2=55 \\ \\ 28^2 =784 \\ \\27^2 =729 \\ \\ 784-729=55 \\ \\ \\ \sf So,~the~ difference~ of~ the~ two~ squares~ of~ 28~ and~ 27~ equals~ to~ 55.$

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3 years ago

(8x - 6) - (7x - 9)<br><br> I hope you're open to me asking more questions in the reply <3

Gekata [30.6K]

Answer:

x + 3

Step-by-step explanation:

Given

(8x - 6) - (7x - 9)

Distribute the first parenthesis by 1 and the second by - 1

= 8x - 6 - 7x + 9 ← collect like terms

= x + 3

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Step-by-step explanation:

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