What have you done so far? Why not start by eliminating the variable x? Do you know how to do that? Hint: use multiplication / division of rows and then addition / subtraction.
Answer:
T^2 = 4π^2 * L / g^2
L = T^2 * g^2 / 4*PI^2
Step-by-step explanation:
Answer:
The answer is <em>x<-9</em>
Step-by-step explanation:
x+5<-4
You move it to the right and you change the sign
This is what I mean: x<-4-5
Then you Calculate the Difference
So it will be: <em>x<-9</em> which is your answer
Answer:
C. 2x
Step-by-step explanation:
Let
B's age = x years
A's age = 2 times older than B
= 2 * x
= 2x years
A's age = 2x years
For instance, if B's age is 17 years
Then,
A's age = 2x
= 2(17)
= 34 years old
