Mathematics, 17.07.2019 11:30, MyaMya12
The volume of a cylinder varies jointly with the square of its radius and with its height: v=kr^2h cylinder a has a volume of 254.34 cubic inches and has a radius of 3 inches and a height of 9 inches. what is the volume of cylinder b, which has a radius of 4 inches and a height of 5 inches?
Answers: 1
Mathematics, 21.06.2019 18:30, tyler5016
The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125
Answers: 2
Mathematics, 21.06.2019 19:30, raytaygirl
Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?
Answers: 2
The volume of a cylinder varies jointly with the square of its radius and with its height: v=kr^2h...
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