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ASHA 777 [7]
3 years ago
6

A clock tower has a large bell that rings on the hour. The edge of the bell has a radius of 4 meters. What is the edge's circumf

erence? *PLEASE HELP DUE TODAY*
Mathematics
1 answer:
lions [1.4K]3 years ago
6 0

Answer: 25.3m

Step-by-step explanation:

pi x 4

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Flight 202's arrival time is normally distributed with a mean arrival time of 6:30 p.m. and a standard deviation of 15 minutes.
natta225 [31]

Answer:

The probability is 0.0015

Step-by-step explanation:

We know that the mean \mu is:

\mu=6:30\ p.m

The standard deviation \sigma is:

\sigma=0:15\ minutes

The Z-score is:

Z=\frac{x-\mu}{\sigma}

We seek to find

P(x>7:15\ p.m.)

The Z-score is:

Z=\frac{x-\mu}{\sigma}

Z=\frac{7:15-6:30}{0:15}

Z=\frac{0:45}{0:15}

Z=3

The score of Z = 3 means that 7:15 p.m. is 3 standard deviations from the mean. Then by the rule of the 8 parts of the normal curve, the area that satisfies the conficion of 3 deviations from the mean has percentage of 0.15%

So

P(x>7:15\ p.m.)=P(Z>3)=0.0015

3 0
3 years ago
Roger says that the equation x²-12x+36=0 has only one solution, Regina says Roger is wrong and that the fundamental theorem of a
solniwko [45]

Answer:

The answer is that Regina is absolutely right

Step-by-step explanation:

Hello!

The answer is that Regina is absolutely right, this is because the fundamental theorem of algebra states that every polynomial equation has the same number of solutions as its highest exponent, for this case it is 2. Therefore, there are two values of X that cause the equation to result in zero

8 0
2 years ago
How long would it to drive 8.5 miles at 22 miles mile per hour?
Vitek1552 [10]
Time = Distance / Speed     
T = 8.5 miles/ 22 miles = 0.3863

4 0
3 years ago
PLEASE HELP ME ASAP!!!!
kirill115 [55]

Answer:

y=  5x + 3

Step-by-step explanation:

This is because you solve for slope, which is 5, then plug that into point slope form to get:

y - 8 = 5(x - 1)

y - 8 = 5x - 5

y = 5x  + 3.

6 0
3 years ago
Read 2 more answers
696 + 66 = ?<br>Use the number bond to help you make a hundred. 1)<br>696 + 66​
Ghella [55]
762 because if you add it will give you the answer
7 0
2 years ago
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