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Q: What is a direct proportion?

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when both increaes its direct proportion and when one increase and othe decreases its inverse proportion.

direct proportion: y=kx inverse proportion: y=k/x

Yes it does rely on direct proportion.

Which type of line shows a direct proportion

the two kinds of proportion are direct proportion and partitive proportion.

the three kinds of proportions are indirect proportion, direct proportion and thepartitive proportion

you can't

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If it is a straight line through the origin then it represents a direct proportion.

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direct

Direct Proportion Inverse Proportion Direct square Proportion Inverse Square Proportion Hope it helps :)

Direct Proportion means that as one increases, the other also increases.Inverse proportion is the reciprocal of direct proportion. If something is in the direct proportion of 1:3, then the inversion proportion is 3:1.OrIndirect Proportion means that as one increases the other decreases, or one is directly proportional to 1 divided by the other. Example: Pressure is indirectly proportional to volume, or Pressure is directly proportional to 1/Volume.

direct proportion indirect proportion additive proportion partitive proportion

proportion

For example the number 5. * A direct proportion would be 5/1 * The inverse would be 1/5

x and y are in direct proportion if there is some positive constant c such that y = cx

Their circumferences are in direct proportion to their radii. Their areas are in direct proportion to the square of their radii.

Direct Proportion-As one of the value increases,so does the other. Indirect Proportion-As one value increases,the other decreases. ~Hannah^^

There cannot be a "proportion of something": proportion is a relationship between two things, and how you solve it depends on whether they (or their transformations) are in direct proportion or inverse proportion.

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No, it is not.

Two variables, X and Y, are said to be in direct proportion if X/Y is a constant. Equivalently, Y = cX for some constant c.

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Neither. Many items of expenditure would be shared (eg housing, utilities, transport, holidays) so the proportion would not be direct. But it would be closer to direct than inverse.