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erma4kov [3.2K]
3 years ago
14

George eats 22 cookies per week, 7 of them are on

Mathematics
2 answers:
Gnesinka [82]3 years ago
7 0

George eats 15 cookies on weekdays and 7 cookies on weekends. 15 cookies+7 cookies=22 cookies in total every week

Andrei [34K]3 years ago
4 0

Answer: 15 cookies a weekday

Step-by-step explanation:

22 - 7 = 15

this is because we exclude the cookies he eats on weekends because that is not a week day so we are left with 15

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9. What is the likelihood that a randomly selected couple's relationship survived between 90 and 150 days
andrew-mc [135]

Answer:

0.5818

Step-by-step explanation:

Suppose the average teenage romantic relationship is normally distributed with a mean number of 100 days with a standard deviation of 30 days.

Answer:

The z score is used to determine how many standard deviations that the raw score is above or below the mean. If the z score is positive then the raw score is above the mean and if it is negative then it is below the mean. It is given by:

z=\frac{x-\mu}{\sigma}\\ \\where\ \mu=mean,\sigma=standard\ deviation, x=raw\ score

Given that:

\mu=100\ days,\sigma=30\ days\\\\For\ x=90\\\\z=\frac{90-100}{30} =-0.33\\\\For\ x=150\\\\z=\frac{150-100}{30} =1.67

Therefore, from the normal distribution table, P(90 < x < 150) = P(-0.33 < z < 1.67) = P(z < 1.67) - P(z < -0.33) = 0.9525 - 0.3707 = 0.5818

7 0
3 years ago
I need some help with this one. Please give it a go! Thank you for your time!
LekaFEV [45]

Answer:

A) 3x^{2} - x - 4

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5 0
3 years ago
How many pounds are in 3/4 of a ton?
alexandr402 [8]
The answer is 1,500 pounds are in 3/4 of a ton.
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3 years ago
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If u={1,2,3,4,5},A={2,4} and Beta {2,5,5}find n(AUB)​
slavikrds [6]

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<em>n</em><em>(</em><em>AUB</em><em>)</em><em>is</em><em> </em><em>the</em><em> </em><em>total</em><em> </em><em>no</em><em> </em><em>of</em><em> </em><em>elements</em><em> </em><em>in</em><em> </em><em>set</em><em> </em><em>(</em><em>AUB</em><em>)</em>

7 0
3 years ago
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solmaris [256]
\frac{ 2j^{2} }{ 3^{4} }
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3 years ago
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