This question is based on division of numbers and ratios.
Darryl has 8 feet of board.
It is given that,he cuts the board into pieces which are 2 feet long.
To find the number of pieces, we divide the whole length by the length of each board.
The expression which shows this is 
Answer =
Write equations for the given information to solve (using J for Jeanine and M for Marc):
J=2M
J+M= 24
Now substitute 2M in for J in the second equation:
2M+M=24, 3M=24, M=8
Remember that J=2M, so if M=8, J=16.
So Jeanine is 16 and Marc is 8
Answer:
1. = 1 2. = 6 3. = 2.9 4. = 0.75 5. = 3.5 6. = 20.5
Step-by-step explanation:
⅘ + ⅕ = 1
3 ¾ + 2 ¼ = 6
25/10 + 4/10 = 2.9
10/8 - 4/8 = 0.75
$5 ¾ - $2 ¼ = 3.5
21.45 - 1 9/20 = 20.5
Hopes it helps plz mark me branily
Hi, what is the question?
Using the information given and linear function concepts, it is found that:
- a) The equation is:
.
- b) The skydiver’s altitude after the parachute has been open for 2 minutes is of 2000 feet.
- c) It takes 200 seconds for the skydiver to reach the ground.
<h3>What is a linear function?</h3>
A linear function is modeled by:
In which:
- m is the slope, which is the rate of change, that is, by how much y changes when t changes by 1.
- b is the y-intercept, which is the value of y when x = 0.
Item a:
- The skydiver descends at a rate of 25 feet per second, hence
.
Then:
<u>90 seconds after the parachute opens, his altitude is 2750 feet</u>, which means that when 
, which is used to find b. Then:
Hence, the equation is:
.
Item b:
Time is in seconds, hence, this is y(120).
The skydiver’s altitude after the parachute has been open for 2 minutes is of 2000 feet.
Item c:
The time it takes to reach the ground is t for which y(t) = 0, hence:
It takes 200 seconds for the skydiver to reach the ground.
You can learn more about linear functions at brainly.com/question/26065573
