Mathematics, 25.08.2019 16:20, WindelCaceus123
Trevor solved the system of equations below. what mistake did he make in his work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 − 2x) = 10 x − 10 + 4x = 10 5x − 10 = 10 5x = 0 x = 0 2(0) + y = 5 y = 5
a. he should have substituted 5 + 2x
b. he combined like terms incorrectly, it should have been 4x instead of 5x
c. he subtracted 10 from the right side instead of adding 10 to the right side
d. he made no mistake
Answers: 1
Mathematics, 21.06.2019 13:40, cmessick03
Which compound inequality can be used to solve the inequality 3x+2 > 7? -7 < 3x+2> 7 -7> 3x+27 3x + 2 > -7 or 3x + 2 > 7 3x + 2 < -7 or 3x + 2 > 7
Answers: 1
Mathematics, 21.06.2019 19:00, daisyperez1
1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?
Answers: 1
Mathematics, 21.06.2019 22:30, dancer4life5642
Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm
Answers: 1
Trevor solved the system of equations below. what mistake did he make in his work? 2x + y = 5 x − 2...
Mathematics, 05.05.2020 03:31
Social Studies, 05.05.2020 03:31
Mathematics, 05.05.2020 03:31
Mathematics, 05.05.2020 03:31
Mathematics, 05.05.2020 03:31
History, 05.05.2020 03:31
Chemistry, 05.05.2020 03:31
Mathematics, 05.05.2020 03:31