Mathematics, 12.08.2020 06:01 aariannahnorwoo

3a + 7 b = 2 2a + 9 b = 15

solve this linear equations using elimination method

please show your working ✨✨ THANK YOU

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:00, cxttiemsp021

Item 8 an account earns simple interest. $700 at 8% for 6 years a. find the interest earned. $ b. find the balance of the account. $

Answers: 3

continue

Mathematics, 21.06.2019 18:30, turboslayer

Icould really use some with this question.

Answers: 1

continue

Mathematics, 21.06.2019 22:00, jnkbragg3696

Problem situation: caren is making rice and beans. she can spend no more than $10 on ingredients. she buys one bag of rice for $4.99. beans cost $0.74 per pound. how many pounds of beans, x, can she buy? inequality that represents this situation: 10≥4.99+0.74x drag each number to show if it is a solution to both the inequality and the problem situation, to the inequality only, or if it is not a solution.

Answers: 1

continue

Mathematics, 21.06.2019 23:00, tfyvcu5344

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z

Answers: 2

continue

You know the right answer?

3a + 7 b = 2 2a + 9 b = 15

solve this linear equations using elimination method