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VashaNatasha [74]
3 years ago
6

Could someone pls help me with this question!!!

Mathematics
1 answer:
romanna [79]3 years ago
3 0

Answer:

15 weeks

Step-by-step explanation:

Jon will increase his weigh 2 lbs a week which means he will be 178 lbs in 15 weeks{148+(15*2)} while Matt will decrease his weight from 1 lbs which means he will be 178 lbs in 15 weeks (193-15=178).

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Is this correct question correct?
____ [38]

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First of all, you put the little 4 after the 8.

What you did in the equation is 8x4, not 8x8x8x8.

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Find the angle between the given vectors to the nearest tenth of a degree. u = (8, 4), v = (9, -9)
Usimov [2.4K]

Answer:

<em>71.6 degrees </em>

Step-by-step explanation:

The formula for calculating the angle between two vectors is expressed as;

u.v = |u||v|cos theta

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u.v = 36

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|u| = √64+16

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|v| = √9²+(-9)²

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cos theta = 36/113.84

cos theta = 36/113.84

cos theta = 0.3162

theta = arccos (0.3162)

<em>theta = 71.6 degrees </em>

<em>Hence the angle between the given vectors is 71.6 degrees </em>

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Step-by-step explanation:

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Answer:

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3 is subtraced form 1/3

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