Answer:
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Step-by-step explanation:



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Now, Using Pythagoras theorem

plug the values
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Evaluate the power
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Swap the sides of the equation
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Move constant to right hand side and change it's sign
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Calculate the difference
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Squaring on both sides
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Hope I helped!
Best regards!
Answer:
mean=average which means you add all of the numbers and divide by the number of numbers there are, which sounds pretty confusing, but i'll show you! 9+7+11+10+8=45, now you divide 45 by 5, which is how many numbers there are that we had to add. 45 divided by 5 is 9, which means the MEAN/average is 9!
Step-by-step explanation:
hope this helps!
1 hundredth+3 tenths= 3 hundredths