802÷17=47.176 so 17 goes into 802 47 times
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Answer:

Step-by-step explanation:
Normally, in the parent function y = cos x, when X = π, Y = -1. However, in this graph, when X = 0π, Y = -1.
Therefore, there has been a horizontal shift of π to the left. The new equation would be:

The speed of a boat in still water (b) is 50km/h. It takes the same time (t) for the boat to travel 10km (x) upstream as it does to travel 20km (y) downstream. Find the speed of the current.
upstream speed (u) = speed in still water (b) - stream speed (s) = b-s = 50-s
downstream speed (d) = speed in still water (b) + stream speed (s) = 50+s
time (t) = x/u = y/d
10/(50-s) = 20/(50+s)
10(50+s) = 20(50-s)
500 + 10s = 1000 - 20s
30s = 500
stream speed (s) = 500/30 = 16.6 km/h
Answer: 
Step-by-step explanation:
For balancing a hanger,
The weight of both sides of the hanger must be equal,
Here, the left side weight = 24 unit,
While the right sides total weight = c + c + c + c + c + c
= 6 c
For balancing it,

⇒ 
Thus, in the balancing equation the value of c will be 4.