-2x + 6y = -34
-x + 3y = -17
x = 3y +17
Sub this into 1st eqn
5(3y + 17) + 2y = 21
15y + 85 + 2y =21
17y = -64
y = -3.7647 (to 5 sig. fig.)
y = -3.8 (to nearest tenth)
Sub y = -3.7647 into 2nd eqn
x = 3(-3.7647) +17
x = 5.7 (to nearest tenth)
Answer:
B. Gaining
Step-by-step explanation:
Answer:
11:16
Step-by-step explanation:
The ratio is 220:320.
Cancel the 0s then divide by 2.
22/2=11
32/2=16
Answer:
(1,9)
Step-by-step explanation:
I think the answer is c 30 degrees!!
