Chapter 8.5, Problem 4QQ

Seventh grade S.7 Solve Learn with an example This equation shows how the length of Brianna's essay depends on the number of hours she spends writing this week. p = h + 15 The variable h represents the number of hours she spends writing this week, and the variable p represents the total number of pages that have been written. How many hours will Brianna have to spend writing this week in order to have written a total of 17 pages? hours Submit Work it out

and 5 in. in diameter and sells for $1.80. In the An 18-oz jar of peanut butter in the shape of a right circular cylinder is 7 in. high 1 1 in. in diameter. If the cost is directly proportional to volume in. high and 5 same store, a 27-oz jar of the same brand is 7 what should the price of the larger jar be? If the cost is directly proportional to weight, what should the price of the larger jar be? If the cost is directly proportional to volume, the price of the larger jar should be $ (Round to the nearest cent as needed.)

The electric power P of a direct current circuit is jointly proportional to the voltage V and the electric current I.Find a mathematical model for the verbal statement.