Y=0.013x^2 is it linear and is it proportional or nonproportional

1 answer:

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Linear and is proportional

It introduces the relationship between two variables and is called correlation. Proportionality or variation is state of relationship or correlation between two variables It has two types: direct variation or proportion which states both variables are positively correlation. It is when both the variables increase or decrease together. On the contrary, indirect variation or proportion indicates negative relationship or correlation. Elaborately, the opposite of what happens to direct variation. One increases with the other variables, you got it, decreases. This correlations are important to consider because you can determine and identify how two variables relates with one another. Notice x = y (direct), y=1/x (indirect)

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How do you know that 21 over 30 is greater than 2 over 3

Bond [772]

The problem deals with fractions comparison, lets do it:
21/30 > 2/3
we begin solving:
21 > (2/3)*30
21 > 2*10
21 > 20
therefore the proposed inequality is true, 21/30 > 2/3

You can solve as well getting same denominator for both fractions and comparing directly, in this case we need to get 2/3 to be divided by 30:
2/3 = (10/10)(2/3) = 20/30
So we have:
21/30 > 2/3
which is equal to:
21/30 > 20/30
and we compare directly because both fractions are divided by the same number, and we can see that the inequality is true.

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3 years ago

marta has 7 more than half as many books as lucy. if l is the number of the books lucky has which expression could be use to fin

artcher [175]

Answer:

M= 1/2(x)+7

Step-by-step explanation:

Let M = Martha.

Let X = Number of Lucy's blocks.

Martha has half the amount as Lucy - 1/2(x)

Then 7 more than that - 1/2 (x) + 7

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