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Pls help me with all of them ill give 81 points

Pls help me with all of them ill give 81 points-example-1
User ZZB
by
8.1k points

1 Answer

7 votes

Answer:

1. No

2. Yes

3.
√(80)

4. x=8

Explanation:

1.

6^2+8^2

=36+64=100

9^2=81

100≠81

No

2.

5^2+12^2

=25+144

=169

13^2=169

169=169

Yes

3.

x^2=4^2+8^2

x^2=16+64

x^2=80

x=
√(80)

4.

x^2+6^2=10^2

x^2+36=100

x^2=64

x=
√(64)=8

User Grey Perez
by
8.0k points

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