Answer:
5) ∅ =3.94°
6) ∅ = 22.19°
Step-by-step explanation:
5) tan ∅ = 3.9/56.67
tan ∅ = 0.0688
∅ =3.94°
6) cos ∅ = 250/270 (500/2 = 250)
cos ∅ = 0.9259
∅ = 22.19°
Answer:
X=7, Y=5
Step-by-step explanation:
In the attached file
Answer: 56 / 729
Step-by-step explanation: (4 * 2 * 7) / (9^3)
It's said "The value √-9 is not -3 because --------------------
So you need to prove why -3 is not the value of √-9.
As you know (-3)^2 = (-3) * (-3) = 9, ≠ -9
Answer is A.
(-3)^2 ≠ -9
6,400 parts are needed to make 1 ton of scrap metal