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Gemiola [76]
3 years ago
8

Which of the following is not a proportional liner relationship?

Mathematics
1 answer:
DanielleElmas [232]3 years ago
8 0
<h3>Answer: Choice A</h3>

=========================================================

Explanation:

A proportional linear relationship is of the form y = kx

We can solve for k to get k = y/x.

Based on that, we can prove a table is a proportional linear relationship if and only if each column of x,y values divide to the same number.

Choice A shows that y/x = 2/8 = 1/4 for the first column; however, y/x = 8/16 = 1/2 for the second column. The outputs 1/4 and 1/2 not being the same indicates we don't have a constant k value for all of the columns. This is sufficient to show that table A is not a proportional linear relationship.

-------------

In contrast, table B is a proportional linear relationship because we have these four divisions that lead to the same value (1/8)

  • Column One: y/x = 2/16 = 1/8
  • Column Two: y/x = 4/32 = 1/8
  • Column Three: y/x = 6/48 = 1/8
  • Column Four: y/x = 8/48 = 1/8

Showing that k = 1/8 for table B. The equation here is y = (1/8)x. We can rule out choice B.

I'll let you check out tables C and D on your own, but you should find that a similar situation shows up as did with table B. This indicates tables C and D are also proportional linear relationships. We can rule out choices C and D.

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Solve the formula A=10+ry. solve for y
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The given formula A= 10 + ry

Solve for y means we have to make y alone

A= 10 + ry \\

Add -10 on both sides, we get

A - 10 = 10 -10 + ry \\A - 10 = 0 + ryA - 10 = ry

As there is multiplication sign between r and y so to solve for y, divide both side by r

\frac{A - 10}{r} = y\\\\y = \frac{A - 10}{r}

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gavmur [86]

Answer:

The reviewers can determine the experiment's feasibility.

Step-by-step explanation:

First of all this isn't math but the answer is between A & B, typically it is checked for mistakes that could lead to it being flawed. From this It is most likely A due to it being a paper and not an actual experiment, they would be looking for if it COULD happen, not if it WILL happen. They wouldn't add their own findings to someone elses paper, and it typically isn't for funding.

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Evaluate ab + c for a = 2, b=3, and c = 4.<br> 10<br> 27<br> 9
hichkok12 [17]

Answer:

10

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i.e. 2*3+4

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I need help solving this problem
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Step-by-step explanation:

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3 years ago
2.15+2.5+3.85+. 5, What is the answer plz
lukranit [14]
2.15 + 2.5 = 2.65
2.65 + 3.85 = 6.40
If it is 0.5
6.40 + 0.5 = 0.9
If you meant 0.05
6.40 + 0.05 = 6.45
If you meant 5 (as in the whole number)
6.40 + 5 = 11.40

hope this helps 
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3 years ago
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