Answer:
X = 0
Y = -3
Step-by-step explanation:
In this situation you would choose elimination.
-6x+y=-3
7x-y=3
---------------
x = 0
plug back in to find y
(-6)(0) + y = -3
0 + y = -3
y = -3
plug in to other equation for double check
7(0) - (-3) = 3
0 + 3 = 3
3 = 3
Hope this helps
Answer:
0.9 tons or 9 tons
Step-by-step explanation:
<u>For 1800 pounds</u>
1 ton = 0.0005 pounds
so
0.9 tons = 1800 pounds
<u>For 18000 pounds</u>
1 ton = 0.0005 pounds
so
9 tons = 18000 pounds
Answer:
0.5 liter = 500000 cubic millimeters
Answer:
The weight of 12 tennis balls = 691. 2 grams
Step-by-step explanation:
The weight of each tennis ball = 57.6 grams
So, the weight of 12 balls = 12 x ( weight of 1 ball)
= 12 x 57.6 grams
= 691.2 grams
⇒12 balls weigh 691.2 grams
Hence, the weight of 12 tennis balls = 691. 2 grams