Please help and give explanation
1 answer:
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You can verify this by plugging the numbers into the Pythagorean theorem, 
, where c is the hypotenuse (the longest side, in this case 53).
So it would be:
The equation is true.
2809 = 2809
So it would be:
The equation is true.
2809 = 2809
The sum of n terms of a geometric sequence with first term "a" and common ratio "r" is given by
You have a=21, r=3, so the sum of 10 terms is
The appropriate choice is the 2nd one:
620,004
You have a=21, r=3, so the sum of 10 terms is
The appropriate choice is the 2nd one:
620,004