Answer:
x = 8
Step-by-step explanation:
The complete question illustrates that the rectangle has sides ABCD and I've represented it as an attachment.
We have that:
AB = 3x
AD = 7x
The perimeter is calculated as:
Perimeter = 2 * (AB + AD)
Substitute values for AB, AD and Perimeter
160 = 2 * (3x + 7x)
160 = 2 * 10x
160 = 20x
Divide both sides by 20
8 = x
x = 8
Answer:
the answer is 0.0024
Step-by-step explanation:
there are more digit's after 4 but hope this is enough
Answer:
minutes
Step-by-step explanation:
Let's find unit rate of each.
<u>Jada</u>
2 scoop in 5 minutes
So,
1 scoop in 5/2 = 2.5 minutes
<u>Noah</u>
3 scoop in 5 minutes
So,
1 scoop in 5/3 = 1.25 minutes
These are the times. Time and rate are inverses of each other. So the rates of each is:
Jada = 1/2.5 = 0.4
Noah = 1/1.25 = 0.8
Working together, we add the rates and find the time:
(0.4+0.8)*t = 1
1.2t = 1
t = 1/1.2 = minutes
So, they take minutes to eat one scoop, working together
Answer:
150 seconds
Step-by-step explanation:
Remember that
To convert miles to feet multiply by 5,280
To convert hours to seconds, multiply by 3,600
step 1
Convert the average rate of miles per hour to feet per second
step 2
Find out how many seconds does the ride take to travel this length of track
we know that
The length of the track is 3,300 ft
so
Divide the total length of the track by the speed
The answer to number 1 = 40