2 years ago

How many times dose 7 go into 30

Mathematics

2 answers:

STALIN [3.7K]2 years ago

6 0

7 goes in to 30 four times i believe :)

Luba_88 [7]2 years ago

4 0

4 with a remainder of 2. So 4 2/7

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Step-by-step explanation:

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Show that if u+v and u-v are orthognal, then the vectors u and v must have the same length.

pashok25 [27]

Answer with Step-by-step explanation:

We are given that

u+ v and u-v are orthogonal

We have to prove that u and v must have the same length.

When two vector a and b are orthogonal then

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By using the property

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We know that

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