The circumference of a circle is 5(pie). Which of these correctly states the diameter? Please explain and dont just write the le
tter.
A: 1/5
B: 2/5
C: 5
D: 10
A: 1/5
B: 2/5
C: 5
D: 10
2 answers:
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Answer:
(14, -2)
Step-by-step explanation:
To solve by using substitution, begin by solving for a variable in the first equation. Let's solve for x:
Now we know what <em>x</em> equals. Let's substitute this into the second equation:
We can then simplify:
Given equation
Combine y terms
Add 2
Divide by -11
So, we now know the value of y = -2.
To find the value of X, we can substitute the value of Y into one of the equations. Let's use the first one:
Substitute for y
Distribute 8
Add 16
So, we now know the value of x = 14.
Therefore, we know a solution to the system of equations is (14, -2).