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labwork [276]
2 years ago
13

Choose all that are correct.

Mathematics
1 answer:
NeTakaya2 years ago
7 0

Answer:

C

Step-by-step explanation:

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Complete the following statement with the number that makes it true.
ANEK [815]

1 kg = 1000 g

so answer is 1000

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3 years ago
100 POINTS! WILL BE MARKED BRAINLIEST!!
QveST [7]

KE = 0 (because velocity is 0)  

PE = mgh = 2kg*9.8m/s^2*40m= 784 joule

<u>Explanation:</u>

KE stands for kinetic energy. In physics, the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity.

Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. Since in this case, the building is still and therefore it does not have any kind of kinetic energy because there is not acceleration.

5 0
3 years ago
When Carson runs the 400 meter dash, his finishing times are normally distributed with a mean of 63 seconds and a standard devia
Gnom [1K]

Answer: in 95% of races, his finishing time will be between 62 and 64 seconds.

Step-by-step explanation:

The empirical rule states that for a normal distribution, nearly all of the data will fall within three standard deviations of the mean . The empirical rule is further illustrated below

68% of data falls within the first standard deviation from the mean.

95% fall within two standard deviations.

99.7% fall within three standard deviations.

From the information given, the mean is 63 seconds and the standard deviation is 5 seconds.

2 standard deviations = 2 × 0.5 = 1

63 - 1 = 62 seconds

63 + 1 = 64 seconds

Therefore, in 95% of races, his finishing time will be between 62 and 64 seconds.

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3 years ago
Please help i really need this
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ok put me brainliest  please

its 215$

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

i took it

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