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Margarita [4]
2 years ago
5

Mr. Cohen drives 84 2/10 miles on Tuesday, 84 6/10 on Wednesday, and 85 miles on Thursday. What is the rule of the distance he d

rives each day? Show how you can check your answer.
Mathematics
2 answers:
babymother [125]2 years ago
5 0
He drives an extra 4/10 miles you can check your work by adding 4
polet [3.4K]2 years ago
3 0

Answer:

He drives an extra 4/10 of a mile every day.

Step-by-step explanation:

Looking at our pattern, we see that to get from 84 2/10 to 84 6/10, we would add 4/10.

Similarly, to get from 84 6/10 to 85, we would add 4/10.

This means we add 4/10 of a mile every day.

To check, we can subtract:

85-84 6/10 = 4/10

84 6/10-84 2/10 = 4/10

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alexira [117]

Answer:

  4x -4y +z = -7

Step-by-step explanation:

The direction vector will be perpendicular to any/all vectors between the given points. It can be found, for example, using the cross product:

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The cross product can be computed by hand or by any of a number of calculators or web tools. Here it will be ...

  d = (20, -20, 5)

These can be the coefficients of x, y, and z in the plane equation. However, the equation is better written using coefficients that are mutually prime, so we choose the direction vector to be ...

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 C = (4, -4, 1)·(0, 2, 1) = 4·0 +(-4)·2 +1·1 = -8+1 = -7

so, the plane equation is ...

  4x -4y +z = -7

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3 years ago
There are 9 players per team. Find the number of players on 7 teams
alexandr1967 [171]
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Step-by-step explanation:

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Step-by-step explanation:

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