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Rudiy27
2 years ago
13

Please help me out with 3 questions..

Mathematics
1 answer:
Serga [27]2 years ago
7 0

Each part of the question is plotted on the number line as an image with the solution.

How are rational numbers represented on the number line?

  • On the number line, rational numbers could be represented. Origin refers to the numeric line's center (O).
  • The illustration of rational numbers shows positive numbers here on the right side of zero, or the origin, and negative numbers on the left.
  • Depending on the kind of fraction, rational numbers are represented differently on the number line.

(1)      \frac{-3}{8} , 1\frac{1}{5} = \frac{6}{5} = 1.2 , \frac{-3}{4}  are plotted on the number line as an image with the solution.

(2) -13+15+(-8) = -6 is plotted on the number line as an image with the solution.

(3) \frac{3-(-14)}{7} = \frac{17}{7} = 2.429, \frac{-36+58}{-11} = -2 are plotted on the number line as an image with the solution.

Learn more about number line here:

brainly.com/question/24644930

#SPJ9

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Answer:

(a+2) Is your answer

Step-by-step explanation:

You could try synthetic division, but it's pretty complicated (not to mention for much harder problems), so you should try factoring this. What two numbers multiply up to 10 and add up to 7? Using trial and error, we would find these two numbers to be 2 and 5. Therefore, it factors into (a+5)(a+2).

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4 years ago
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vitfil [10]
Ie 32^2 - 4ac=0 so ac=256 and a+c=130 
So, that means:2 equations ac=256 a+c=130 ie c=130-a 
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Finally,giving a= 2 or a=128 so, a=2 c=128 or a=128 c=2 
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4 years ago
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11. 9hrs

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Makes it a bit easier if you convert to 24 hr time.

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