Answer:
d
Step-by-step explanation:
Answer:
x=4, y=2
Step-by-step explanation:
2x - y = 6
x + y = 6
Add these together to eliminate y
2x - y = 6
x + y = 6
-----------------
3x = 12
Divide by 3
3x/3 = 12/3
x=4
But we still need y
x+y =6
4+y =6
Subtract 4 from each side
4+y-4 = 6-4
y=2
Answer:
12 and 13
Step-by-step explanation:
20) Answer is: x=76
21) Answer is x=15
For this case we have that by definition, the volume of a cuboid is given by:
Where:
L: It's the long
A: It is the width
h: It is the height
According to the problem data we have:
So, the volume of the cuboid is:
Finally, the volume of the cuboid is:
Answer: