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Vika [28.1K]
3 years ago
12

Please help me with this i don’t understand much

Mathematics
1 answer:
Alexus [3.1K]3 years ago
8 0

Answer:

See below

Step-by-step explanation:

Three lengths will be a triangle only if the sum of two sides is greater than the third side.

19+11 > 17

This is a triangle.

23+28> 52\\51>52\\51 \ngtr 52

This is not a triangle.

9+25> 34\\34>34\\34\ngtr 34

This is not a triangle.

13+14> 22\\27>22

This is a triangle.

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6.247 * 10 to the twelfth power in standard form
Scrat [10]

Answer: 6,247,000,000,000

Step-by-step explanation:

Here we have the number:

6.247x10^12 and we want to write this in standard form.

You can see that we have a 10^12, this means that we need to move the decimal dot 12 places to the right, if there is not a decimal to the right, we add a zero.

6.247x10^12 = 62.47x10^11 = 624.7x10^10 = 6,247x10^9 = 62,470x10^8 and so on.

eventually, the standard form is:

6.247x10^12 = 6,247,000,000,000

So we end with 12 digits after the six.

4 0
3 years ago
Which number is greater 167.4 or 167.462?
swat32
167.462 because you can round up the 4 to a 5 because the second number is 5 or up.
7 0
3 years ago
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One more i need help with plz answer I need it done by today
polet [3.4K]

Answer:187.5 inches.

Step-by-step explanation:

25 / 2 = x / 15

25 = 2x / 15

15(25) = 2x

375 = 2x

187.5 = x

The actual car is 187.5 inches.

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3 years ago
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The floor of a NYC subway car measures approximately 12 feet. How many cubic feet of space are there in a subway car?
fiasKO [112]

The cubic feet of space that is in the subway car is the volume of the subway car which is 5,502.

<h3>How many cubic feet of space are there in a subway car?</h3>

The shape of a subway car is in the form of a rectangular prism. In order to determine the cubic feet of space, the volume of the car has to be determined. The formula for the volume of a rectangular prism would be used.

Volume = width x height x length

12 x 51 x 8.5 = 5205

Here is the complete question:

The floor of an NYC subway car measures approximately 51 feet by 8.5 feet. The height of the NYC subway car measures approximately 12 feet. How many cubic feet of space are there in a subway car?

To learn more about the volume of a cuboid, please check: brainly.com/question/26406747

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2 years ago
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