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pantera1 [17]
4 years ago
10

Which is JK = C solved for K?

Mathematics
1 answer:
Eva8 [605]4 years ago
3 0

Answer:

k=c/j

Step-by-step explanation:

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A town doubles its size every 98 years. If the population is currently 600, what will the population be in 392 years?
eimsori [14]

9514 1404 393

Answer:

  9600

Step-by-step explanation:

392 years is enough time for 392/98 = 4 doublings of the population. If the population doubles 4 times, it will be 2^4 = 16 times its present value

  16 · 600 people = 9600 people . . . in 392 years

8 0
3 years ago
Which function has a vertex at the orgin
amm1812
Explain a little more
5 0
4 years ago
Select the correct answer. Which set of vertices forms a parallelogram? OA A2,4), B(3, 3), C6, 4), D(5, 6) OB. A(-1, 1), B(2, 2)
Tanya [424]

Answer:

(6,4)

Step-by-step explanation:

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4 0
2 years ago
Emilia and Ferdinand took the same freshman chemistry course: Emilia in the fall, Ferdinand in the spring. Emilia made an 83 on
Wewaii [24]

Answer:

z = \frac{83-76}{8}=0.875

z = \frac{79-65}{12}=1.167

As we can see the z score for Ferdinad is higher than the z score for Emilia so on this case we can conclude that Ferdinand was better compared with his group of reference.

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Emilia case

Let X the random variable that represent the scores of a test, and we know that

Where \mu=76 and \sigma=8

The z score formula is given by:

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

Since Emilia made 83 points we can find the z score like this:

z = \frac{83-76}{8}=0.875

Ferdinand case

Let X the random variable that represent the scores of a test, and we know that

Where \mu=65 and \sigma=12

The z score formula is given by:

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

Since Ferdinand made 79 points we can find the z score like this:

z = \frac{79-65}{12}=1.167

As we can see the z score for Ferdinad is higher than the z score for Emilia so on this case we can conclude that Ferdinand was better compared with his group of reference.

5 0
3 years ago
Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in the simplest form 12,7
Ivanshal [37]

Answer: common difference = -5

Step-by-step explanation:

This is an arithmetic progression. The common difference will be gotten by subtracting the 1st term from the 2nd term. This will be:

1st term = 12

2nd term = 7

3rd term = 2

Common difference = 7 - 12 or 2 - 7 = -5

It isn't an geometric progression as the ratio isn't thesame

= 2nd term / 1st term

= 7/12

= 3rd term / 2nd term

= 2/7

Therefore, it's an arithmetic progression with difference of -5

8 0
3 years ago
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