Sven had 31 customers when he first started selling newspapers.
Answer:
Yes these ratios do form a proportion :)
Step-by-step explanation:
X=-1/4y+5/2
You just needed to flip the right side of the equation
Answer:1/4 = 0.25
Step-by-step explanation:
Answer:



Step-by-step explanation:
Required
Find x
(a)
x is calculated using tangent formula

Make x the subject



--- approximated
(b):
x is calculated using cosine formula

Make x the subject



(c):
x is calculated using sine formula

Make x the subject



--- approximated