Multiply 2nd equqation by -1 and add to first
5x+4y=22
<u>-3x-4y=-10 +</u>
2x+0y=12
2x=12
divide by 2
x=6
sub back
3x+4y=10
3(6)+4y=10
18+4y=10
minus 18 both sides
4y=-8
divide by 4
y=-2
(x,y)
(6,-2) is solution
Answer:
a.) .0469
b.) .9961
c.) .9492
Rounded these check below for full answers
Step-by-step explanation:
a.)

b.)
Porbability of at most 3 successes is equal to 1-p(4)
p(4)=

1-.003690625=.99609375
c.)
two or more failures is equa lto
p(0)+p(1)+p(2)=

Answer:

Step-by-step explanation:
<span>The equation y = mx + b is in Slope - intercept form.</span>
Answer:its "27,488.94 cubic feet"
Step-by-step explanation: