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Vera_Pavlovna [14]
2 years ago
13

What is 15 divided by 2.5

Mathematics
1 answer:
adelina 88 [10]2 years ago
4 0
15 divided by 2.5 is 6.
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3

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Step-by-step explanation:

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Can anyone help me please
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What is the probability of randomly picking a five-digit number whose leftmost digit is 1 and units digit is 9 from all the odd
riadik2000 [5.3K]

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Solve for x, y and z. PLEASE SOLVE ASAP I WILL GIVE 50 POINTS
Stells [14]

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3 years ago
If v1 = (2,-5) and v2 = (4,-3), then the angle between the two vectors is _________. Round your answer to two decimal places.
siniylev [52]
The angle between two vectors is given by:
 cos (x) = (v1.v2) / (lv1l * lv2l)
 We have then:
 v1.v2 = (2, -5). (4, -3)
 v1.v2 = (2 * 4) + (-5 * (- 3))
 v1.v2 = 8 + 15
 v1.v2 = 23
 We look for the vector module:
 lv1l = root ((2) ^ 2 + (-5) ^ 2)
 lv1l = 5.385164807
 lv2l = root ((4) ^ 2 + (-3) ^ 2)
 lv2l = 5
 Substituting values:
 cos (x) = (23) / ((5.385164807) * (5))
 x = acos ((23) / ((5.385164807) * (5)))
 x = 31.33 degrees
 Answer:
 
The angle between the two vectors is:
 
x = 31.33 degrees
3 0
2 years ago
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