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Andrei [34K]
3 years ago
14

Which shows the best use of the associative and commuative properties to make simplifying 2/7-17+6-5/7+1

Mathematics
1 answer:
emmainna [20.7K]3 years ago
5 0

Answer:

I think the answer would be -\frac{73}{7}

Step-by-step explanation:

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determine whether the lines intersect and if so find the point of intersection and the cosine of the angle of intersection x=4t+
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Answer:

As the lines are not intersecting nor parallel, they must be skew.

Step-by-step explanation:

Question is incomplete, we consider the nearest match available online.

Parametric equations of two lines are:

L₁ : x=4t+2 , y = 3 , z =-t+1

L₂: x=2s+2 , y= 2s+5 , z = s+1

If lines are parallel then parametric coordinates must be equal scalar multiple of each other which s not true here.

4t+2=2s+2 ---(1)\\ \\3=2s+5---(2) \\\\-t+1=s+1---(3)

If lines are intersecting then parametric coordinates must be equal for some value of t and s.

From (3)\\-t=s\\From (2)\\\\s=\frac{3-5}{2}\\\\s=-1\\\implies t=1\\\\To\,\,check\,\, the \,\,values \,\,of \,\,s\,\, and \,\,t \,\,for\,\,intersection\,\,put \,\,them\,\, in\,\, (1)\\\\4(1)+2= 2(-1)+2\\ 6\ne0

Hence the lines are not intersecting nor parallel, they must be skew.

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3 years ago
Write three equivalent ratios for the given ratio. Circle the simplest form of the ratio. 10/12 14/2 4/7
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8_murik_8 [283]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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