3 years ago

Tom can paint twice as fast as Mark. If they complete a job in 4 hours, how long would it have taken Tom working alone?

Mathematics

1 answer:

cupoosta [38]3 years ago

8 0

Answer:

Step-by-step explanation:

2 hours

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Type the correct answer in the box. Use numerals instead of words.

Mandarinka [93]

Answer:

Step-by-step explanation:

We are here given a modulus expression and we need to find out the value when m = -5 and n = 3 .

Modulus :- It always gives positive value . For example ,

$\rm\implies |-a| = a$

$\rm\implies |a| = a$

The given modulus expression is :-

$\rm\implies |m^2+ n^2|$

As the number inside the modulus operator are already squared therefore they will always give positive value for real numbers . Here we can omit the modulus .

$\rm\implies m^2 + n^2$

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On adding ,

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