Use desmos it could probably help you.
Answer:
16/12 = x/3
x = 4
Step-by-step explanation:
Answer: There would be about 6 or 7 silk fibers per 300 yard length of silk fiber.
The problem states that each thread is made of about 3 to 10 silk fibers. The the problem as for a reasonable estimation of the number of silk fibers. It would be safe to assume that a reasonable estimation would be the average (or mean) of 3 to 10.
(3 + 10) / 2 = 6.5
Since 6.5 is the average, we could use 6 or 7 as a reasonable estimation.
Answer:
9 cans
Step-by-step explanation
Side length of the squared ceiling = 15m
Area of a square = side x side = 15 x 15 = 
Area of paint each can covers = 25m
∴Number of paint cans needed to paint the entire ceiling = 
= 9 cans
Answer:
Step-by-step explanation:
radius=16/2=8 units
d=12 cm
reqd. length=√(12²-8²)=√(144-64)=√80=4√5 units
