Answer:
Part a) Exactly values
The width of the rectangle is
The length of the rectangle is
Part b) Approximately values
The width of the rectangle is
The length of the rectangle is
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
The area of rectangle is equal to
we have
substitute the values in the formula
so
Solve for x
Divide by 4 both sides
square root both sides
The solution is the positive value
therefore
<em>Exactly values</em>
<em>Approximately values</em>
8 dollars because you sold them for 4 dollars each and only sold two. 4x2=8
Answer:
27.333333333333333333333333333333333333333333333333 is answer
Answer:
23.68421052632 minutes
Step-by-step explanation:
Given that :
Spring airlines :
Current height = 45,000
Rate of descent = 700 ft per minute ; represent descent rate as negative
Summer airlines :
Current position = ground level = 0
Rate of ascent = 1200 ft per minute
Number of minute it will. Take for the 2 planes to be at the same height :
Height * descent rate = height * ascent rate
45000 + (-700)m = 0 + 1200m
45000 - 700m = 0 + 1200m
-700m - 1200m = 0 - 45000
-1900m = - 45000
m = 45000 / 1900
m = 23.68421052632 minutes
Hence the two planes will be at the same height after 23.68421052632 minutes