Answer:
Step-by-step explanation:
For x+3y=15
Take (6,3) and substitute the points:
6+3(3)=15
6+9=15
15=15
For 4 x + 2 y = 30 and substitute the points:
4(6)+2(3)=30
24+6=30
30=30
So, (6,3) is the solution of the given system of equations.
<h3>
If you need to ask any questions, let me know.</h3>
Answer:
y=-x-3
Step-by-step explanation:
Answer:
The volume of a bar of gold with a mass of 66.5 grams is
Step-by-step explanation:
Given , mass(in grams) ∝ Volume (in cm3)
Here, volume of 95 grams bar = 5cm3
So, thevolume of 1 gram bar = =
⇒The volume of a bar with weight 66.5 grams =
So, the volume of a bar of gold with a mass of 66.5 grams is
The value of z is 45 becuse y= 45