Answer:
x=2
Step-by-step explanation:
If 3x + y = 7, then y= 7 - 3x.
Substitute in x - 2y = 0
So:
x - 2(7-3x)=0
x-14+6x=0
7x=14
x=2
Answer:
7 I think that is what I saw someone else say.
Step-by-step explanation:
Maybe try dividing 1092 by 21 I got 52
Let: hypotenuse = a , known leg = b , unknown leg = c
According to Pythagoras' Theorem:

c =

c = 3.74 inches
∴ the length of the hypotenuse to 1d.p. ≈ 3.74 inches
Answer:
Weak positive correlation
Step-by-step explanation:
Because it can’t be strong otherwise the points would have been very close to the line of best fit