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lilavasa [31]
3 years ago
6

1. Select three ratios that are equivalent to 7:3.

Mathematics
2 answers:
sesenic [268]3 years ago
7 0
14.6 is equivalent to 7.3
natka813 [3]3 years ago
3 0
Answer: 14:6, 9 and 28:12

Hope this helps!
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Let u = (1, k) and v = (2, 1). Find k such that The distance between u and v is 1 u and v are orthogonal The angle between u and
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Answer:k=1,k=-2,k=8\pm 5\sqrt{3}

Step-by-step explanation:

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u=1\hat{i}+k\hat{j}

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|u-v|=\sqrt{\left ( 2-1\right )^2+\left ( 1-k\right )^2}=1

squaring both side

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\left ( ii\right )

angle between u and v is 90 i.e. orthogonal

u\dot v=0

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\left ( iii\right )

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Answer:

C

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