A. There are many solutions because there are many values for the variables that make the equation true.
Add the equations together:
12x-12x-11y-5y=40+88
you get
-16y=128
divide y=128/-16
y=-8
then plug-8 for y back into either equation.
12x-11(-8)=88
12x+88=88
12x=0
x=0
Answer:
Use the distance formula to determine the distance between the two points.
Distance
=
√
(
x
2
−
x
1
)
2
+
(
y
2
−
y
1
)
2
Substitute the actual values of the points into the distance formula.
√
(
4
−
(
−
5
)
)
2
+
(
9
−
2
)
2
Simplify.
Tap for more steps...
√
130
The result can be shown in multiple forms.
Exact Form:
√
130
Decimal Form:
11.40175425
…
image of graph
([)]|√>≥
789÷<≤
456/×
<span>All even numbers are divisible by 2. The number 18 is even, so it is divisible by 2</span>
Answer:
H
₀
:
p
≤
0.25
H
₁:
p
>
0.25
Test statics value z = 12.91
Decision Rule:
Reject the value of null hypothesis
Conclusion:
If survey is online then there is sufficient evidence to claim . If the sample is voluntary response sample then conclusion is not valid.
Step-by-step explanation:
step by step explanation is shown in attachment.
