if two opposite sides are 4cm each then their total length is 8cm. If the total length is 24cm then to work out the possible lengths of the other two sides you subtract 8 from 24 which gives you 16. A rule in rectangles is that opposite sides are equal so each remaining side would have a length of 16/2 which is 8. To get all the possible answers you have to go through all the possible perimeters (assuming all perimeters have to be whole numbers) between 24(max) and 9(min) and do those steps.
The first answer because he is h, she is h+1 since she’s older
Add those & you get 2h + 1 =92
Answer:
4x^2 - 16x - 48 = 0.
Step-by-step explanation:
In a factor form it is:
4(x + 2)(x - 6) = 0
Convert to standard form:
4(x^2 - 4x - 12) = 0
4x^2 - 16x - 48 = 0.
Let
t = time, hours
h = height, feet
At 1 PM, the time and height are respectively
t₁ = 1 hour
h₁ = 4400 feet
At 4 PM, the time and height are respectively
t₂ = 4 hours
h₂ = 5600 feet
By definition, the mean hourly change in elevation is

Answer: 400 feet per hour