Let speed of the boat in still water = x miles per hour
Let speed of the current = y miles per hour
When water and current both flow in same direction then effective speed will be sum of both speeds that is (x+y)
now plug the given values in formula speed=distance/time
we get equation:
(x+y)=160/8
or x+y=20...(i)
When water and current both flow in opposite direction then effective speed will be difference of both speeds that is (x-y)
now plug the given values in formula speed=distance/time
we get equation:
(x-y)=160/40
or x-y=4
or x=4+y...(ii)
plug value of x into (i)
4+y+y=20
4+2y=20
2y=16
y=8
plug value of y into (ii)
x=4+8=12
Hence final answer is given by:
Speed of the boat in still water = 12 miles per hour
Speed of the current = 8 miles per hour
Answer:
vertical length over horizontal length...y/x.....the larger triangle : 4/6 which reduces to 2/3 <== this represents ur slope
Step-by-step explanation:
Answer:
The sum of a number and 7 multiplied by 2 is increased by 10
Step-by-step explanation:
Answer:
no.
Step-by-step explanation:
The sum of two side lengths have to be <u><em>greater</em></u> than the value of the remaining side length.
Hope this helps. Have a nice day you amazing bean child.
