Answer:
d
Step-by-step explanation:
you can multiply the original x and y by 3 and get the second x and y
i hope this helps
The answer to 2y+7(y-3)=60 is y=9
Answer:
rational
Step-by-step explanation:
Answer:
Step-by-step explanation:
You know the lengths of two sides and the angle between them, so use the Law of Cosines to find the third side.
x^2 = 10.5^2+ 5.4^2 -2(10.5)(5.4)cos20°
x ≈ 5.73 units
I have no clue ...I'm nt so good in maths