subject
Mathematics, 15.04.2020 05:41 lola78830

On three examinations, Dana received scores of 82, 89, and 80. What score does Dana need on the fourth examination to raise his average to 85?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample
Answers: 1
question
Mathematics, 21.06.2019 16:30
What is the first step of an indirect proof of a number that is divisible by two
Answers: 2
question
Mathematics, 21.06.2019 19:30
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
question
Mathematics, 21.06.2019 19:50
Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30
Answers: 1
You know the right answer?
On three examinations, Dana received scores of 82, 89, and 80. What score does Dana need on the four...
Questions
question
English, 27.08.2019 23:40
question
Mathematics, 27.08.2019 23:40
Questions on the website: 13722359