Answer:
160 minutes.
Step-by-step explanation:
2 miles per 40 minutes for 8 miles
dived 8 by 2 and then multiple by 40
8/x-7=7/2
16=7(x-7) cross multiply
16=7x-49
-7x=-49-16
-7x=-65 divides each side by -7
-7x/7=-65/7
X=65/7
Alternative form
X=92/7
Which is 1st options in your questions.
Hope this helps!
Answer:
Step-by-step explanation:
K
Answer:
10 m
Step-by-step explanation:
Given:
The discharge of water is equal to the product of of its width, its average depth and its speed.
Let 
be discharge of water, 
be its width, 
be its average depth and 
be its speed.
So, 
As per question,
Plug in the above values and solve for .
Therefore, the average depth of the Mississippi river is 10 m.
Answer:
y = 9
Step-by-step explanation:
Substitute the x- coordinate of the point into the equation and solve for y, that is
y = 2(5) - 1 = 10 - 1 = 9
Thus point is (5, 9 )
