Answer:
90 minutes
Step-by-step explanation:
If it takes 54 minutes to hike 3 miles, divide 54 by 3, = 18. So it takes him 18 minutes to hike 1 mile. Multiply 18 x 5 miles = 90 minutes. Hope this helps!
Answer:
The equation in slope-intercept form of the line that crossed the x-axis at 36 and is perpendicular to the line represented by y = -4/9x + 5 is y=9/4x +36
Step-by-step explanation:
Answer:
let the price of a pen be x
9 pens cost 7.20, so 9x costs 7.20. Therefore,
9x = 7.20
x = 0.8
Each pen is 0.8 dollars (80 cents).
Answer:
Yes, he is correct
Step-by-step explanation:
Represent Michael's home with M and his mother's with H
So, we have:


Required
Is Michael correct?
First, we get the numeric values of the given parameters.
Below sea level means negative:
So:
will be rewritten as:

Above sea level means positive:
So:
will be rewritten as:

Two numbers
are said to be opposite if 
For Michael to be correct:

Substitute values for M and H


<em>Hence, Michael is correct</em>