Asked by Ember Lovet
Can someone explain how to do this?
Suppose c and d vary inversely, and d=2 when c=17.
a. Write an equation that models the variation.
b. Find d when c=68
Suppose c and d vary inversely, and d=2 when c=17.
a. Write an equation that models the variation.
b. Find d when c=68
Answers
Answered by
oobleck
First, you have to remember what "vary inversely" means: cd = k
for some constant value k. Now just plug in your two numbers to find k, and use that to answer pat (b).
Vary inversely means that as one gets big, the other gets small. For example, if you have a certain amount of money, the price of burgers and the number of burgers you can buy, vary inversely. The more they cost, the fewer you can buy with the same amount of money.
for some constant value k. Now just plug in your two numbers to find k, and use that to answer pat (b).
Vary inversely means that as one gets big, the other gets small. For example, if you have a certain amount of money, the price of burgers and the number of burgers you can buy, vary inversely. The more they cost, the fewer you can buy with the same amount of money.
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