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faltersainse [42]
3 years ago
9

9(a+2)=9 con comprobación plisss!!

Mathematics
1 answer:
icang [17]3 years ago
6 0

Answer:

9a+18=9

9a=-9

a=-1

Step-by-step explanation:

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Which are the side lengths of a right triangle? Check all that apply.
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Answer:

3, 14, and sqrt205.

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Step-by-step explanation:

Check if they fit the Pythagoras theorem c^2 = a^2 + b^2:

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9 + 196  = 205  which is the square of sqrt205.

So this is a right angled triangle.

6^2 + 11^2 = 36 + 121

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3^2 + 19^2 = 370    Not right-angled.

2^2 + 9^2 = 85, So this is right angled..

7 1
3 years ago
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7 0
2 years ago
I need help with this please.
Alex
Hope this helps and hope u can see it

3 0
3 years ago
Negative plus positive=?
grin007 [14]
If you are adding a positive number to negative number. You are just bringing the negative number closer to zero, if not above zero.
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7 0
3 years ago
Can someone help me ?
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The answer is  1.125!

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5 0
3 years ago
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