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Lisa [10]
3 years ago
13

I need help with this PLZ!!!!!!!​

Mathematics
2 answers:
garri49 [273]3 years ago
3 0

Answer:

3. 91.125

4. 30.375

Step-by-step explanation:

just multiply all of the sides

MARK ME BRAINLIEST

horsena [70]3 years ago
3 0

Answer:

Given below

Step-by-step explanation:

Area of cube = s*s*s

= 4.5x4.5x4.5=

91.125 mm^3

Area of cuboid is lbh

= 6*2.25*2.25

= 30.375 mm^3

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Wittaler [7]

Answer:

0.9898 = 98.98% probability that there will not be more than one failure during a particular week.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

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

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval.

3 failures every twenty weeks

This means that for 1 week, \mu = \frac{3}{20} = 0.15

Calculate the probability that there will not be more than one failure during a particular week.

Probability of at most one failure, so:

P(X \leq 1) = P(X = 0) + P(X = 1)

Then

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

P(X = 0) = \frac{e^{-0.15}*0.15^{0}}{(0)!} = 0.8607

P(X = 1) = \frac{e^{-0.15}*0.15^{1}}{(1)!} = 0.1291

Then

P(X \leq 1) = P(X = 0) + P(X = 1) = 0.8607 + 0.1291 = 0.9898

0.9898 = 98.98% probability that there will not be more than one failure during a particular week.

6 0
3 years ago
Name the sets of numbers to which<br> 3/5<br> belongs
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Answer:

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Step-by-step explanation:

-3/5 is arguably a real number

8 0
3 years ago
Four more than twice a number is -10
Anna [14]

Answer:

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Step-by-step explanation:

7 0
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4 hours and 30 minutes equals 4.5 hours.

3+4.5=

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1 hour equals 60 minutes

Hence,

7.5*60=

450 minutes

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1 year ago
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dsp73

Answer:

The chart below shows Mrs. Thompson's grocery bill. What is the average amount Mrs. Thompson spent on groceries?

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B. $68

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D. $340

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