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wel
3 years ago
7

Find the magnitude and the direction of AB⃗⃗⃗⃗⃗, BC⃗⃗⃗⃗⃗, and

Mathematics
1 answer:
borishaifa [10]3 years ago
3 0
<h2>Step-by-step explanation:</h2>

ab =   \sqrt{ {12 }^{2}   +  { (- 5)}^{2} }  \\  \ \\  = 13

bc  =  \sqrt{ {3}^{2} +  { (- 4)}^{2}  }  \\  = 5

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VashaNatasha [74]

Answer:

Question 2. 12% of 650 = 78

Step-by-step explanation:

100% = 1 in decimal form.

This is because finding 100% of something is the same as multiplying it by 1:

E.g. 100% of 10=10,  10x1 = 10

Therefore to find a percentage of something, we simply need to multiply it by the decimal form of that percentage. For example, if we were finding 50% of 10 (half), 50% in decimal form is 0.5, 10x0.5 = 5

The percentage here is 12%, we can find the decimal form by dividing it by 100, 12/100 = 0.12

So, in order to find 12% of 650, we just need to multiply 650 by 0.12:

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12% of 650 = 78

Hope this helped!

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3 years ago
Eighteen pairs of measurements were taken at random to estimate the relationship between variables X and Y. A least-squares line
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Answer:

Step-by-step explanation:

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2 years ago
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3 years ago
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