Find the distance between the points -6.2 and -9.8.Show your work for full credit.

Mathematics

1 answer:

jolli1 [7]3 years ago

4 0

Answer:

it is 3.6

Step-by-step explanation:

it's in the pictures below.

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You are given the equation \sqrt{76+n } and \sqrt{2n + 26}. What is the smallest value of n that will make each number rational?

Diano4ka-milaya [45]

Answer:

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Step-by-step explanation:

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3 years ago

How do you solve this equation: -2m+3=|15+m|

Elden [556K]

Any number inside the modulus sign becomes positive. This means $|15+m|=|-(15+m)|=|-15-m|$ and so we have,

$-2m+3=|15+m| \Rightarrow \left \Big\{ {{-2m+3=15+m} \atop{-2m+3=-15-m}} \right$

Solving these gives us

$-2m+3=15+m \Rightarrow m=-4$

$-2m+3=-15-m \Rightarrow = m=18$

However if we check the second solution in the original equation we obtain $-2(18)+3=|15+18| \Rightarrow -33=33$ . This is false and so $m=18$ can't be a solution.

Therefore the only solution is $m=-4$ .

(Note: I'm not sure why the second solution didn't work but when there's a modulus sign involved it always pays to check your final answers to be sure. I'll have a think about it but in case you find out before I do, I'd be interested to know in the comments.)

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3 years ago

Factor completely, then place the factors in the proper location on the grid.

mash [69]

Answer:

2(8x+3y)*squared*

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3 years ago

30% of 40% is equal to 20% of what?

ICE Princess25 [194]

I think its the answer is 10%

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