So if 24 out of the 30 kids rode the bus to school, that means that only six kids did not ride the bus.
We can set up a fraction with this situation! The denominator will be 30 because that is the total amount of kids overall.
Since we are trying to find the number of kids who DID NOT ride the bust, we have to subtract 30 from 24(30-24) to get how many kids did not take the bus.
This would give us a fraction of 6/24. Then we have to simplify it. It can be divided by 6 to the numerator and denominator giving us
1/4
The answer is 1/4 of students did not ride the bus.
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Answer:
Step-by-step explanation:
We need the other function given by the graph first
The height of a door will be around 6 feet and 8 inches, so about 7 feet. You will need to convert this to meters. To do this, you should first know that 1 meter = 3.28 feet. Now, divide 7 by 3.28:
7/3.28 = 2.134
So, a reasonable estimate would be 2 meters.
Hello there! A half-life is basically a decay of 50%. We will find the amount left after one day by exponential decay. The formula for exponential decay is A(1 - r)^t, where A = initial amount, r = rate (in decimal form), and t = time (or in this case, amount of half lives). The half-life is 6 hours and 24 goes into 6 four times. That's 4 half lives. Let's start by subtract 50% (0.5) from 1. 1 - 0.5 is 0.5. Now, we will use 0.5 and raise it to the 4th power, because the 4th power represents 4 half lives. 0.5^4 is 0.0625. Leave this number on the calculator. Do not round. Multiply that number by 448 to find the amount left. When you do, you get 28. There. 28 grams will be left after 24 hours.
one zero
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