Eliminate x's
multiply 2nd equation by -2 ad add to first
2x+3y=9
<u>-2x-10y=-16 +</u>
0x-7y=-7
-7y=-7
divide by -7
y=1
sub back
2x+3y=9
2x+3(1)=9
2x+3=9
minus 3
2x=6
divide 2
x=3
x=3
y=1
(x,y)
(3,1)
D
Answer:
what do you mean?
Step-by-step explanation:
Answer:
l = (S/pi)-r^2
Step-by-step explanation:
Just rearrange the equation.
S = pi*l + pi * r^2
S-pi*r^2 = pi*l
l = (S-pi*r^2)/pi
l = (S/pi)-r^2
Step-by-step explanation:
A 12-inch long board is basically a feet long
A feet consists of 30 centimeters which is 1 more than 29.
No! The board is not long enough
12 inch board is 30.48 centimeters
<h3><u><em>
Please mark this as brainliest</em></u></h3><h3><u><em>
hope this helps</em></u></h3><h3><u><em>
Thank you</em></u></h3><h3><u><em>
: )</em></u></h3>
Answer:
hello i dont even know how to do this
Step-by-step explanation: