Answer:
5.46
Step-by-step explanation:
Since each box of cereal cost $2.73, we need to multiply the unit price by 2 to get the price of 2 boxes.
My work is attached below.
Rita spent $5.46 for the two boxes.
<h3>
Answer: 54</h3>
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Explanation:
If we had a pit stop every 1 mile, then we would have 36 pit stops. Note how 36/1 = 36.
If we had a pit stop every 2 miles, then we would have 18 pit stops because 36/2 = 18
If we had a pit stop every 3 miles, then we would have 12 pit stops because 36/3 = 12
And so on.
As you can see, we divide the total length 36 over the number of miles between pit stops. This applies even to fractions as well
Divide 36 over 4/6 to get
![36 \div \frac{4}{6} = 36 \times \frac{6}{4} = 36 \times 1.5 = 54](https://tex.z-dn.net/?f=36%20%5Cdiv%20%5Cfrac%7B4%7D%7B6%7D%20%3D%2036%20%5Ctimes%20%5Cfrac%7B6%7D%7B4%7D%20%3D%2036%20%5Ctimes%201.5%20%3D%2054)
Recall that when you divide by a fraction, you flip the second fraction and multiply. The action of "flipping" is known as applying the reciprocal.
So this means there are 54 pit stops in total.
An alternative method to get the answer is to note that 4/6 = 0.66666667 approximately, and 36/0.66666667 = 53.99999973 which is very close to 54 that we got above. The reason why its not exactly 54 is because of rounding error. The more decimal digits you use, the more accurate the result will be.
Is there supposed to be a picture or something ?
Answer:
The probability that she sees exactly 4 shooting stars in the next hour is 0.13
Step-by-step explanation:
An assumption is made that she see the shooting stars of 6 every hour based on a poisson distribution.
![P(X = x) = \frac{e^{-m} m^{x} }{x!}](https://tex.z-dn.net/?f=P%28X%20%3D%20x%29%20%3D%20%5Cfrac%7Be%5E%7B-m%7D%20m%5E%7Bx%7D%20%7D%7Bx%21%7D)
where m is the average per hour = 6
![P(X = x) = \frac{e^{-m} m^{x} }{x!}\\P(X = 4) = \frac{e^{-6} 6^{4} }{4!}\\P(X = 4) = \frac{0.002478752 * 1296 }{4!}\\P(X = 4) = \frac{3.212462592}{24}\\P(X = 4) = 0.133852618\\P(X = 4) = 0.13](https://tex.z-dn.net/?f=P%28X%20%3D%20x%29%20%3D%20%5Cfrac%7Be%5E%7B-m%7D%20m%5E%7Bx%7D%20%7D%7Bx%21%7D%5C%5CP%28X%20%3D%204%29%20%3D%20%5Cfrac%7Be%5E%7B-6%7D%206%5E%7B4%7D%20%7D%7B4%21%7D%5C%5CP%28X%20%3D%204%29%20%3D%20%5Cfrac%7B0.002478752%20%2A%201296%20%7D%7B4%21%7D%5C%5CP%28X%20%3D%204%29%20%3D%20%5Cfrac%7B3.212462592%7D%7B24%7D%5C%5CP%28X%20%3D%204%29%20%3D%200.133852618%5C%5CP%28X%20%3D%204%29%20%3D%200.13)
Well it says 3 pens and 2 pencils is 8$, i believe there is a double side to this, such as each pencil can be 2$ and the pens can be just 1$ or each pencil can be 1$ and the a pen can equal 2$.