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kherson [118]
3 years ago
13

An airplane flies 600 km in 1 hour. What is it’s average speed in kilometers per hour.

Mathematics
1 answer:
Gnoma [55]3 years ago
6 0
600km??? Because it’s travelling 600km and hour so it’s average is 600km and hour
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Have a nice day, be safe and healthy :)

Hope this helped

<u>formula: </u>

(a+b)^2

= a^2+2ab+b^2

Here, we have x^2  (as in a^2)

and -6x (as in 2ab), which, we're missing the b^2

(I'm not really sure how to describe this but bare with me)

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Writing it out -

x^2-6x+9 = -5

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Since we add 9 to the left side, we have to add 9 to the right side; which gives us:

x^2-6x+9=4

Next, lets put the x^2-6x+9 as in (a+b)^2:

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<em>Then let's do the square root of equality (square rooting both sides) :</em>

<u>x-3 = 2</u>

<em>Finally lets add 3 to both sides</em>

<u>x = 5</u>

THE ANSWER IS <u><em>x=5</em></u>

<u><em></em></u>

Have a nice day, be safe + healthy - Hope this helped

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