3 years ago

Angle ABC is congruent to angle DCE angle a = 3x-10 , angle c = 45 degrees , angle d = 2x + 10. I need to find out what x equals

Mathematics

1 answer:

dolphi86 [110]3 years ago

7 0

Answer:

show a image I might help

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Pediatricians work an average of 48 h per week. The standard deviation is 12 hours. What percentage of pediatricians work more t

cricket20 [7]

Answer: 2.28 %

Step-by-step explanation:

Given : Mean : $\mu=\ 48$

Standard deviation : $\sigma= 12$

The formula to calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x = 72

$z=\dfrac{72-48}{12}=2$

The p-value = $P(2$

$1-0.9772498=0.0227502\approx0.0228$

In percent, $0.0228\times100=2.28\%$

Hence, the percentage of pediatricians work more than 72 h per week = 2.28 %

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4 years ago

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Luden [163]

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3 years ago

The first week they drank 2 gallons 1quart and 1cup. The second week the drank 3 gallons how much more cups of milk did they dri

stellarik [79]

Answer:

11 cups

Step-by-step explanation:

there are 4 quarts in a gallon

and there is 4 cups in a quart

the first week there was 37 cups of milk or 2 gallons 1 quart and 1 cup

the second week there was 11 more cups drinking making a total of 48 cups

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3 years ago