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Irina18 [472]
3 years ago
12

A freshman drops his net to a depth of -8 feet below the surface of the water. How far does he need to raise the net to bring it

back tonthe ground
Mathematics
1 answer:
harina [27]3 years ago
5 0
Wouldn't it be 8 feet because if it is 8 feet below the surface of the water raise it 8 feet and its on the surface.
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At the beginning of summer, the water level on a pond is 2 feet below its normal level. After an unusually dry summer, the water
Scilla [17]

Answer:

Step-by-step explanation:

8 0
3 years ago
Why don't we measure spread about the mean by simply averaging x − x , the deviations of individual data values from their mean?
skad [1K]

Answer:

Because this spread will add up to zero

Step-by-step explanation:

Mean defines the center of the data. Some values are below this center and some values are above this center.

For the values which are below the center (i.e. less than the mean), when mean is subtracted from these values, this results in negative numbers.

For the values which are above the center(i.e. greater than the mean), when mean is subtracted from these values, this results in positive numbers.

When these negative and positive numbers are summed together, as it is, they cancel out each other, leaving an answer equal to zero, which would be meaningless. As a spread of 0 would mean all data values are the same, when infact they aren't.

To avoid this, the difference of mean from the data value is squared, so that we can get all positive values, and then these values are added up together to calculate the spread of the data.

Conclusion:

The average of deviations of individual data from the mean will result in answer equal to zero, as a result they are squared first before finding the average.

7 0
3 years ago
Find the volume of the sphere. Round your answer to the nearest tenth. Radius: 11 yd
Y_Kistochka [10]
Volume of the sphere is 4/3*pi*r^3

here, r is 11 yd.

volume = 4/3*pi*11^3
             = 4/3*pi*1331
             = 5575.28 yd^3
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5 0
3 years ago
What is four and one fourth divided by four and half
IrinaK [193]
The answer for the question is 17/18
5 0
3 years ago
Read 2 more answers
Are ordering a hamburger and can get up to 6 toppings, but each topping can only be used once. you tell the cashier to surprise
Tju [1.3M]

4 toppings out of 6 total = \frac{4}{6} = \frac{2}{3}

Answer: \frac{2}{3}


8 0
3 years ago
Read 2 more answers
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