Answer:
cos A = 12/13
Step-by-step explanation:
TanC = AB/BC = 2.4
therefore
BC = AB/2.4
Pythagorean theorem
AC = √(AB² + (AB/2.4)²) = (13/12)AB
Cos A = AB/AC = AB / (13/12)AB = 12/13
Answer:
6√2 i.
Step-by-step explanation:
√-72
= √72 i
= √36 * √2 i
= 6√2 i.
Answer:
14.4
Step-by-step explanation:
Use the Pythagorean Theorem: a^2 + b^2 = c^2
Answer:
1.48 yards
Step-by-step explanation:
4.45/3 = y
y = 1.48
Answer:
25/6-13/10=1 7/30
Step-by-step explanation:
when you put the question into brackets it will be (2+5/6)-(1+3/10)you first workout the brackets. the plus sign will be finished therefor you will remain with the subtraction sign