Answer: B) 450 meters
Step-by-step explanation:
Given : Nate walks 25 meters in 13.7 seconds.
Since he walks at this same rate , it means the distance and time are proportional.
Let d be be the distance covered in 4 minutes.
Also, 1 minute = 60 seconds.
Then
According to the given information, we have the following equation :-
From the given options, The value closest to is 450.
Thus , the closest to the distance he will walk in 4 minutes is 450 meters,
Remark
That was well worth doing. Desmos gave you the answer to the graph. Unfortunately I can only give you the correct graph. You will have to figure out from the choices which one is the correct answer -- or edit it so I can see what the rest of the question is.
Graph
The red one is f(x) is x + 3 {x <= -2}
The blue one is f(x) is x^2 - 1 {-2 <x <1} Notice the gap at 2. It is not continuous
The green one is f(x) is log_2(-x + 3) {1 <=x < 3} and there is a gap between the blue and green one.
Answer:
Original number is 47
Step-by-step explanation:
Given: The tens digit is three less than the units digit. If the digits are reversed, the sum of the reversed number and the original number is 121.
To find: the original number
Solution:
Let x denotes digit at ones place.
As the tens digit is three less than the units digit,
Digit at tens place =
Original number =
When digits are reversed,
Reversed number =
As the sum of the reversed number and the original number is 121,
So,
original number =