The table shows the number of minutes Jalen talks on his mobile phone and the cost of the phone calls. Jalen’s Mobile Phone Cost Number of minutes, x 150 220 250 275 Cost, y $7. 50 $11. 00 $12. 50 $13. 75 If the cost varies directly with the number of minutes Jalen talks on the phone, which equation represents the variation? y = 0. 05 x y = 20 x y = 157. 5 x y = 1125 x.

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

answer: 88

step-by-step explanation:

first one because it can't have a fraction in it

step-by-step explanation:

7/2

(decimal: 3.5)

welcome ; )

step-by-step explanation: