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Gnesinka [82]
3 years ago
14

1. Describe the following terms: matter, mass, element.

Mathematics
1 answer:
Oduvanchick [21]3 years ago
8 0

Answer:

Matter- anything with mass and volume ( occupies an amount of space)

Mass-  weight or the amount of matter an object contains

element- a substance that cannot be broken down into simplier substances

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The fastest speed at table tennis ball has been hit is 21.12 faster than the speed for the fastest swimmer. What is the speed fo
Juli2301 [7.4K]

Remark

You cannot give an answer to this unless you are give the fastest speed of a swimmer. That stat is not an easy one to decide upon. At what distance for example or do you eliminate distance? Since this is a college level question, I don't think it unreasonable that you have to research raw distance over fastest time.

The fastest speed I can find is 100 meters in 46.91 seconds.  That means that the actual speed of the swimmer is 100 meters / 46.91 = 2.132 meters / second.

Givens

Set up a proportion with the numbers found and given

Speed of ball / speed of swimmer = 21.12 / 1

Speed of ball = x

Solution

Speed of swimmer = 2.132 m/s

x / 2.132 = 21.12 / 1          Multiply Both sides by 2.132

x = 21.12 * 2.132 / 1

x = 45.02 m/s

Answer

45.02 m/s

8 0
3 years ago
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What equation that represents 13 subtracted from a number w is 15.
coldgirl [10]

Answer:

28

Step-by-step explanation:

8 0
3 years ago
The radius of a bicycle wheel is 80cm. During one trip this wheel rotted 25121 times. To the nearest metre, how far did the bicy
azamat

Answer: someone plz help

Step-by-step explanation:

3 0
3 years ago
The product of Greg’s age and 2 is 26
Goshia [24]

Answer:

Gregs age is 13

Step-by-step explanation:

13 + 13 = 26

which is equivalent to 13 × 2 = 26

5 0
3 years ago
How do you do this question?
ohaa [14]

Step-by-step explanation:

The marginal totals are the sum of each row and column.

For example, the total number of sophomores is 120 + 302 = 422.

See picture of table with marginal totals filled in.

3 0
3 years ago
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