Answer:
Percentage change in number of members is -20%. Hope it helps
Answer:
-1
Step-by-step explanation:
10^-3 x 10 = 10^-2
But you need it to be 1/10^3
So 10^-2 x 10^-1 = -2 + -1
= 10^-3
In order to put it in simplest form, the power needs to be positive.
So = 1/10^3
Meaning the missing power is -1
-Hope this helps
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Answer:
It takes 10 fewer minutes for Noah than for Charlotte to home from school each day.
Step-by-step explanation:
We use the following relation to solve this question:
In which v is the velocity, d is the distance, and t is the time.
Finding the distance:
Charlotte walks home from school every day at a rate of 4 miles per hour. It takes her 30-minutes to reach home.
This means that . Time is 0.5 because as the velocity is in miles per hour, the time has to be in hours. We use this to find d.
The distance is of 2 miles.
Her brother, Noah, runs home from the same school every day at a rate of 6 miles per hour.
We have to find t, in hours, for which . So
A third of an hour. In minutes, this is a third of 60, that is 60/3 = 20 minutes.
How many fewer minutes does it take Noah than Charlotte to reach home from school each day?
Noah: 20 minutes
Charlotte: 30 minutes
30 - 20 = 10
It takes 10 fewer minutes for Noah than for Charlotte to home from school each day.
Add the ratios.. 2+3+5 = 10
Then divide 25kg by 10 and you will get 2.5
Multiply your ratio figures by 2.5 so it would be (2.5*2) : (2.5*3) : (2.5*5)
Making your answer 5 : 7.5 : 12.5
Answer:
Step-by-step explanation: