Mathematics, 14.12.2020 20:30, johns2380
In the system below, use equation (1) with equation (2) to eliminate x. Then use equation (1) with equation (3) to eliminate x.
x-y-2z=4 (1)
-x+3y-z=8 (2)
-2x-y-4z=-1 (3)
What is the new 2 × 2 system?
2y – 3z = 12
–3y – 8z = 7
2y – 3z = 12
–3y + 8z = 7
2y – 3z = 12
–2y – 6z = 3
Answers: 2
Mathematics, 21.06.2019 22:20, macycj8
1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.
Answers: 2
In the system below, use equation (1) with equation (2) to eliminate x. Then use equation (1) with e...
Mathematics, 12.03.2022 19:10