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irga5000 [103]
3 years ago
5

What number is 50%of 30

Mathematics
2 answers:
jonny [76]3 years ago
8 0
50% of 30 is 15. 50% of anything is its half


Sophie [7]3 years ago
4 0
It would be 15. 50% is the same as half. So half of 30 is 15.
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suppose the tank shown has a length of 2 feet, a width of 1 foot, and is filled with water to a depth of 8 inches. a stone is pl
nikdorinn [45]

Answer: The volume of the stone is 576 cubic inches

Step-by-step explanation: The dimensions of the tank are given in feet and inches, hence we shall use the lower of the unit of measurement that is, inches. Note that 1 foot equals 12 inches, so the length is 2 feet times 12, which equals 24 inches. Also the width is 1 foot times 12 which equals 12 inches. Then the tank is filled with water up to a depth of 8 inches , so the volume of water in the tank can be calculated as follows;

Volume = L x B x H

Where Length = 24, Width = 12 and Height = 8

Volume = 24 x 12 x 8

Volume = 2304

At 2304 cubic inches, a stone is placed in the water tank and the water level rises by 2 inches which implies that the depth is now 10 inches. With the addition of the stone, the dimensions are now shown as;

Length = 24, Width = 12, and Height = 10

Volume = L x W x H

Volume = 24 x 12 x 10

Volume = 2880

With the rise in volume of water in the tank, the difference (which is the volume of the stone) now is Volume with stone minus volume without stone, that is

Volume of stone = 2880 - 2304

Volume of stone = 576

Therefore the volume of the stone is 576 cubic inches

6 0
3 years ago
00:00
vaieri [72.5K]

Answer:

(D)What did Micah eat for lunch yesterday?

Step-by-step explanation:

A statistical question is a question for which the expected response varies. That is, we do not expect to get a single answer. Out of the given options,

Option D is not a valid statistical question as the response to the question will always be the same for a particular day,

If Micah ate cheesecakes for lunch yesterday, asking repeated times will not change the response.

6 0
3 years ago
Find the length of the third side. If necessary, round to the nearest tenth. 5 10
Agata [3.3K]

11.2

a^2+b^2=c^2

5^2+10^2=125^2 = 11.2

8 0
3 years ago
I been struggling with this please help
nydimaria [60]
The answer is A :):):):)
5 0
3 years ago
Read 2 more answers
3.869*10^9 in scientific notation
nikdorinn [45]

Answer:

3869000000

Step-by-step explanation:

hope this helps

7 0
3 years ago
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