subject
Mathematics, 23.08.2019 04:30 neftalirojas14

Rosana used linear combination to solve the system of equations shown. she did so by multiplying the second equation by a certain number to eliminate the y-terms. what number did rosana multiply the second equation by?
x - y= 15
0.5x + 0.2y = 25

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate
Answers: 2
question
Mathematics, 21.06.2019 19:20
Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.
Answers: 3
question
Mathematics, 21.06.2019 21:30
At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.
Answers: 1
question
Mathematics, 21.06.2019 23:10
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. find the lateral area for the prism. l.a. = 0123456789
Answers: 3
You know the right answer?
Rosana used linear combination to solve the system of equations shown. she did so by multiplying the...
Questions
question
Biology, 17.03.2021 23:50
question
English, 17.03.2021 23:50
question
Mathematics, 17.03.2021 23:50
question
Biology, 17.03.2021 23:50
question
Chemistry, 17.03.2021 23:50
Questions on the website: 13722362