subject
Mathematics, 05.11.2021 20:50 klafleur18

3. Select all equations that can result from adding or subtracting these 2 equations: 5x+y = 12

3x - 5y = 4

a. -2x-4y=8

b. -2x+6y=8

c. 4x-4y=16

d. 4x+4y=16

e. 2x-6y=-8

f. 5x-4y=28

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 19:50
Drag each tile into the correct box. not all tiles will be used. find the tables with unit rates greater than the unit rate in the graph. then tenge these tables in order from least to greatest unit rate
Answers: 2
question
Mathematics, 21.06.2019 21:00
Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.
Answers: 2
question
Mathematics, 21.06.2019 22:00
The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.
Answers: 1
question
Mathematics, 22.06.2019 00:10
Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?
Answers: 2
You know the right answer?
3. Select all equations that can result from adding or subtracting these 2 equations: 5x+y = 12
Questions
Questions on the website: 13722367