Answer: 2x-6
Work Shown:
john = x
sam = x-3 since he scored 3 fewer than john
rob = 2*(sam) = 2(x-3) = 2*x-2*3 = 2x-6
<span>By the Pythagorean theorem
AB = </span>√(12²+5²) = √169 = 13 units
Step-by-step explanation:
the law of sines :
a/sin(A) = b/sin(B) = c/sin(C)
with the sides being opposite to the angles.
so,
14/sin(80) = x/sin(60)
x = 14×sin(60)/sin(80) ≈ 12.3cm
Answer:A
Step-by-step explanation: Hope this helped. Let me know if it did.
Use the Pythagoras Theorem in the corresponding right angled triangles.