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Romashka [77]
2 years ago
13

A. (3,-2) B. (2,3) C. (4,1) D. (-1,4)

Mathematics
1 answer:
lana66690 [7]2 years ago
3 0
The answer is b (2,3)
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Max drove 203 miles in 3.5 hours. What was his average speed in miles per hour?
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Answer:

59.4 mph

Step-by-step explanation:

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The pythagorean theorem states that a^2+b^2=c^2.
3^2 is 9. 
9+9=18
The square root of 18 is approximately 4.24.
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A train leaves Los Angeles at 2 p.m. heading north at 50 mph. If the next train leaves three hours later and also heads north at
Mamont248 [21]
Since the first train has been travelling for 3 hours, we have the following equations:
d=50t+3*50=50t+150
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What's 1.25 times 12
Juli2301 [7.4K]
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3 years ago
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If each value of the data of the poplation function is doubled which of the following is not correct?
Anna35 [415]

Answer:

The variance is doubled; C

Step-by-step explanation:

Here, we want to select what will be wrong if every number in the dataset is doubled

A. This is correct

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By doubling the numbers, we have simply doubled the sum while the count is same

So what we have as the result of the division will be 2 times what we had initially making the mean doubled

B. The mode is doubled

Yes, this is correct

The mode is the highest in frequency

Doubling all numbers will not double their frequencies but their values. So the number that was the mode in the previous case will be the same but now doubled

D. The median is doubled

This is correct

The median deals with the middle number.

Since all numbers are doubled in the present case, the median to is also doubled along side as the numbers are now twice what they were evenly

C. This is wrong

The variance has to do with the spread of data

We are actually subtracting values

Since we are doubling across board, the difference between the numbers is the same as this, the variance cannot change

We can look at this from the angle that all others are measures of central tendency looking at having a central figure while the variance is a measure of spread.

3 0
2 years ago
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