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Amanda [17]
3 years ago
13

George washed cars for four hours on Saturday in the first hour he wash four cars in the second hour he watches seven cars in th

e third hour HE washed 9 cars how many cars did he wash in the first three hours
Mathematics
2 answers:
blondinia [14]3 years ago
8 0
The answer is 20. All you have to do is add all the cars he washes. So..
4+7+9=20
yaroslaw [1]3 years ago
6 0
Ok so what we have to do is 4+7+9=c
4+7=11
11+9=20
c=20 
your answer is 20
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Marysya12 [62]
You could buy 13 bananas.
6 0
3 years ago
Keri has a spinner with sections labeled Black,
Schach [20]

Answer:

50%

Step by step explanation

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4 0
3 years ago
Let’s assume that human body temperatures are normally distributed with a mean of 98.20° F and a standard deviation of 0.62° F.
uysha [10]

Answer: It is such a small percentage of the population that would be considered to have fever at that level.

So, it is not appropriate stringent standard.

Step-by-step explanation:

Since we have given that

Mean = 98.20°F

Standard deviation = 0.62°F

If  Bellevue Hospital in New York City uses 100.6°F as the lowest temperature considered to be a fever.

So, \bar{X}=100.6^\circ F

So, using the normal distribution, we first find the value of z.

z=\dfrac{\bar{x}-\mu}{\sigma}\\\\x=\dfrac{100.6-98.2}{0.62}\\\\z=3.87

Since z = 3.87

So, p = 0.0001 =0.1%

So,It is such a small percentage of the population that would be considered to have fever at that level.

So, it is not appropriate stringent standard.

4 0
3 years ago
What number is represented by 8^-3
blsea [12.9K]
Fraction: 1/512
decimal: 0.001953
4 0
3 years ago
Please help I need to get this doneeeee
Alex17521 [72]

Jan. = -15

Feb. = +10

Mar. = -5

Apr. = +50

May = -25

June = -20

⭐ Answered by Hyperrspace (Ace) ⭐

⭐ Brainliest would be appreciated, I'm trying to reach genius! ⭐

⭐ If you have questions, leave a comment, I'm happy to help! ⭐

3 0
3 years ago
Read 2 more answers
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