Answer:
x ≈ 2.76
Step-by-step explanation:
Using the tangent ratio in the right triangle
tan78° = 
= 
= 
( multiply both sides by x )
x × tan78° = 13 ( divide both sides by tan78° )
x = 
≈ 2.76 ( to 2 dec. places )
Answer:
C = 250S + 4500
17 tons = $8750
simply plug in 17 into the variable S and solve for C to find the total cost
Answer:
.
Step-by-step explanation:
2 x e x f = e x 2 x f = f x 2 x e
Where is the algebra.
{sorry for saying something but not answer real question...)
