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balu736 [363]
3 years ago
8

The sum of a number and its additive inverse is equal to _____.

Mathematics
1 answer:
Nata [24]3 years ago
8 0

Answer:

0

Step-by-step explanation:

0

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Which simplified fraction is equal to 0.53 (3 repeated)?
Morgarella [4.7K]
Hello there!

Okay, I don't know if this is a "select all that apply", but I believe that answers 1, 2, and 3 are all equivalent to 0.53.

To see how these fractions are equal, I divided the numerators by the denominators. For instance, you could have 4 over 5 (4/5) and divide 4 by 5 (4/5) to get 0.8. Now you'll do the same thing for the fractions given

24/45=0.533...
8/15=0.533...
48/90=0.533...
5/9=0.5556

As you can see, the only fraction that doesn't equal 0.53, or the outlier, is 5/9 or 0.5556

I hope this helps you out!
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3 years ago
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A line does not describe a slope.


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5. An airplane takes 4 hr to travel a distance of 4100 km. Another airplane travels at a speed
Mazyrski [523]

Answer:

4.969696 hours

Step-by-step explanation:

The distance traveled is shown through the following equations

Distance = velocity * time

This means that

4100=velocity*4

This means that ariplane 1 travles at 1025 km/hr

We can then subtract 200 from this to find that airplane two travels at a speed of 825 km/hr

Now we need to find how long it takes for that plane to travel 4100

So using the same equation

4100=825*time

Divison will tell us that the answer is around 4.9696 hours which is pretty much 5

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3 years ago
What is the answer to 9% of 65?
garri49 [273]

Answer:

5.85

Step-by-step explanation:

9% of 65 (sorry forgot i was answering this)

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