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aivan3 [116]
3 years ago
6

Which of the following expressions are equivalent to x + y-z

Mathematics
1 answer:
gavmur [86]3 years ago
5 0

Answer:

C since y-x are being subtracted and there should be another subtraction but there isnt

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Step-by-step explanation:

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Answer:

Emma spend 8 hours in homework in a week and Jared  spends 16 hours in homework in 2 weeks.

Step-by-step explanation:

Two quantities P and Q are said to be in PROPORTION if and only if for all values of P and q, we get:

\frac{P}{Q}  = k

Here, k : PROPORTIONALITY CONSTANT

Case: 1

5 hour piano practice in 1 week.

So, the piano practice in 2 weeks( 1 x 2) =   2 x  5 = 10 hours

But here, it is given to be 12 hours in 2 weeks.

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Case 2:

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Case: 3

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It is given to be 16 hours in 2 weeks.

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Case: 4

15 miles  in 78 minutes.

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Case: 5

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So, the distance covered in 55 minutes (45 x 1.2) =  18 x 1.2  = 21.6 miles

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Hence, NOT PROPORTIONAL.

Hence, the only proportional case is Emma spend 8 hours in homework in a  week and Jared  spends 16 hours in homework in 2 weeks.

6 0
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Answer:

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Step-by-step explanation:

Length-l

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3 years ago
1 2 TIME REMAIN 50:24 How could Theo check his work? Check all that apply. Theo solved n + 5 = 11 for the unknown. The steps he
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Step-by-step explanation:

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