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kvasek [131]
3 years ago
12

you buy a Lily and an African Violet on the same day you were instructed to water the Lily every 4th day and water The Violet ev

ery 7th day after taking them home, how can you use this answer to determine each of the next days you will water the plants on the same day
Mathematics
1 answer:
nexus9112 [7]3 years ago
3 0

The Least Common Multiple (LCM) will calculate when they are watered on the same day.

LCM of 4 and 7 is 28.

Answer: They will be watered together every 28 days.

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The number of failures of a testing instrument from contamination particles on the product is a Poisson random variable with a m
Mazyrski [523]

Answer:

The probability that the instrument does not fail in an 8-hour shift is P(X=0) \approx 0.8659

The probability of at least 1 failure in a 24-hour day is P(X\geq 1 )\approx 0.3508

Step-by-step explanation:

The probability distribution of a Poisson random variable X representing the number of successes occurring in a given time interval or a specified region of space is given by the formula:

P(X)=\frac{e^{-\mu}\mu^x}{x!}

Let X be the number of failures of a testing instrument.

We know that the mean \mu = 0.018 failures per hour.

(a) To find the probability that the instrument does not fail in an 8-hour shift, you need to:

For an 8-hour shift, the mean is \mu=8\cdot 0.018=0.144

P(X=0)=\frac{e^{-0.144}0.144^0}{0!}\\\\P(X=0) \approx 0.8659

(b) To find the probability of at least 1 failure in a 24-hour day, you need to:

For a 24-hour day, the mean is \mu=24\cdot 0.018=0.432

P(X\geq 1 )=1-P(X=0)\\\\P(X\geq 1 )=1-\frac{e^{-0.432}0.432^0}{0!}\\\\P(X\geq 1 )\approx 0.3508

3 0
3 years ago
The table below shows the budget for the Smith family.
tiny-mole [99]

Answer:

415 300 213 3400 4500 = 8415

4500 450 415 300 215 3400 = 9280

8828 times 100 divided by 9280 =9 5.1293103448

95.1 percent (simplified)

Step-by-step explanation: income is income rescieved, id.k if income taxes is given to you but taxes is usually taken away from you, college savings, retirement saving and emergency funds are income, and living expenses is for living and you use it on what ever you want. mainly food.

8 0
3 years ago
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I need help on b i dont understand
Savatey [412]
Mean is adding all the goals together then dividing by how many games there were so it’d be 48/8 = 6
8 0
3 years ago
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Can someone help me answer this question :)
jeka57 [31]

Answer:

Step-by-step explanation:

find the slope 1/2

then write it as y-4=1/2(x+6)

then u get y=1/2x+7

7 0
3 years ago
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The end of day values of a stock market index for the week of December 9-13 are graphed to the right
vekshin1

Answer: 33.4

Step-by-step explanation:

6 0
3 years ago
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