Answer:
5.66
Step-by-step explanation:
The sides of a square are equal. Let's call the length
x
Use Pythagoras' Theorem.
Square the sides and add them together....
x
2
+
x
2
=
8
2
2
x
2
=
64
x
2
=
64
2
=
32
x
=
√
32
x
=
4
√
2
x
=
5.66
0.4 decreased because if you do 3.0 + 3.4 =0.4
Answer:
40 !
Step-by-step explanation:
Answer:
x=3y
Step-by-step explanation:
Step 1: flip the equation.
2x−5y=y
Step 2: Add 5y to both sides.
2x−5y+5y=y+5y
2x=6y
Step 3: Divide both sides by 2.
2x
2
=
6y
2
x=3y
