Use Pythagorean theorem:

9i-j = sqrt (9^2 - 1^2) = sqrt(81-1) = sqrt80

now divide both terms in V by that:

u = 9/sqrt(80)i - 1/sqrt(80)j

see attached picture:

7 0

3 years ago

Read 2 more answers

If the problem says x=5 ,did it give you a input or output?

Thepotemich [5.8K]

It gave you the input because it is telling you what x is

8 0

2 years ago

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Price of one CD after February discount $

Ksju [112]

Answer:

vssguudgebseisiehjejsieheusssushsbddjdhfbbfjfjfnfnfnfnfnnfjfngjfjfjfjfjfjfjfjf

6 0

2 years ago

16b) what is the formula? is that correct?

sasho [114]

C² = a² + b²
c² = 17.5² + 47.1²
c² = 306.25 + 2218.41
c² = 2524.66
c ≈ 50.2

It is correct.

6 0

2 years ago