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Ipatiy [6.2K]
4 years ago
8

You name to rent a moving truck for A-day you have identified 2 companies that rent trucks company aid charges $45 per day plus

10 cents per mile company B charges $40 per day plus 15 cents per mile for how many miles will the cost of renting be the same?​
Mathematics
1 answer:
ICE Princess25 [194]4 years ago
6 0

Answer:

The cost of renting will be the same for 100 miles.

Step-by-step explanation:

Let n the number of miles and C be the cost. We can represent the cost equations for each companies:

A: C = 45 + 0.1n

B: C = 40 + 0.15n

They want to know when the cost will be the same, so we can set the above 2 equations equal to each other and solve for n:

45 + 0.1n = 40 + 0.15n

0.05n = 5

n = 100

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Answer:

79% - almost 4 times out of 5.

The key to this is realizing that the number of games will not always be 5.

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If A wins in 4, now we have 2/3*(2/3)*2/3*(1/3)*3 - the 1/3 is the chance that B wins a game. Note - there are only 3 ways B can win a game, not 4. B cannot win Game 4 because Game 4 would not be played in case of a sweep. That is why you cannot use a straight Pascal’s triangle to get your coefficients - the 1–4–6–4–1 is not possible if B cannot win Game 4. Anyway, the math is the same as the above, a 29.63% chance of A winning in 4.

For a 5 game set, A could lose 2 games in 6 possible ways (lose 1&2, 1&3, 1&4, 2&3, 2&4 or 3&4). Again, A cannot lose Game 5 - it would not be played once A wins 3 games. So the odds become 2/3*(2/3)*2/3*(1/3)*(1/3)*6, or 19.75%.

Add them up and you get 79.01%

Step-by-step explanation:

Hope it helps<3

6 0
2 years ago
When 3(2x + 9) = 4x - 7 is solved for X, the solution is<br> 1<br> 3.<br> is 17<br> 4<br> xs-17
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\\ \sf\longmapsto 3(2x+9)=4x-7

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Answer:

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Step-by-step explanation:

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Answer:

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This can be demonstrated by the shape of a cross which is always planner

Examples include

1) Straight lines drawn across both side of the pages of an open book to meet at the center pf the book can always be made planner by the orientation#

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Step-by-step explanation:

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