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Lyrx [107]
3 years ago
5

The student activities department of a community college plans to rent buses and vans for a spring-break trip. Each bus has 40 r

egular seats and 1 handicapped seat; each van has 8 regular seats and 3 handicapped seats. The rental cost is $350 for each van and $975 for each bus. If 320 regular and 36 handicapped seats are required for the trip, how many vehicles of each type should be rented to minimize cost

Mathematics
2 answers:
GaryK [48]3 years ago
8 0

Answer:

  6 buses and 10 vans

Step-by-step explanation:

It is convenient to solve this graphically. The problem setup is ...

  minimize 975b + 350v subject to ...

  40b +8v ≥ 320 . . . . . regular seats required

  1b +3v ≥ 36  . . . . . . . .handicapped seats required

where b and v are the numbers of buses and vans, respectively.

The constraint lines intersect at (b, v) = (6, 10). 6 buses and 10 vans will provide the required number of seats at minimum cost.

_____

At any other point in the feasible region, the cost line (green) will be farther from the origin, hence the cost will be greater.

In the attached, x represents buses; y represents vans.

sineoko [7]3 years ago
5 0

Answer:

10 vans and 6 buses.

Step-by-step explanation:

Minimize cost = 350*x + 975*y

subject to

40*y + 8*x >= 320 (regular seats needed)

y + 3*x >= 36 (handicap seats needed)

x >= 0

y >= 0  

where

x, number of vans rented

y, number of buses rented

This is a linear programing problem. In this kind of problem, it is known that the optimal solution is on a vertix of the feasible region. In the figure attached, feasible region can be seen.   For the vertices costs are

vertex     cost

(0, 36)     $35100

(10, 6)      $9350

(40, 0)     $14000

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stiks02 [169]

The value of scale k is 3

Step-by-step explanation:

In order to find the scale , we can either divide the coordinates of H' by the original point or compare both the points to find the original ordered pair.

Given

H(3,4)

H'(9,12)

The coordinates of H are multiplied with some integer k to form H'

So,

<u>For x-coordinate:</u>

3k = 9

k = 9/3 = 3

<u>For y-coordinate:</u>

4k = 12

k = 12/4 = 3

Hence,

The value of scale k is 3

Keywords: Coordinate geometry, scaling

Learn more about scaling at:

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3 years ago
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masha68 [24]
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7 0
3 years ago
Plss help (ZOOM IN TO SEE FULL PIC)
shepuryov [24]

Answer:

H = 35

Step-by-step explanation

21 / 3 is 7 so multiply 7 by 5 to get 35. So 35 is equal to H.    

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Find the measure of the arc indicated
exis [7]

Answer:

Step-by-step explanation:

Angle GPE is an inscribed angle.  It intercepts arc GFE.  The rule for inscribed angles and the arcs they intercept is that the angle is half the measure of the arc it intercepts.  Angle P is 96, so that means that arc GFE is twice that.  2(96) = 192.  We have arc FG as 92, so that means that arc FE is 192 - 92 which is 100 degrees.  The third choice down.

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You have two nickels three dimes and a quarter. Using at least one of each coin, how many different amounts of money can you mak
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2 nickels (5 cents each)
3 dimes (10 cents each)
1 quarter (25 cents)

1 nickel, 1 dime, 1 quarter
5 + 10 + 25 = 40

2 nickels, 1 dime, 1 quarter
5(2) + 10 + 25 = 45

1 nickel, 2 dimes, 1 quarter
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2 nickels, 3 dimes, 1 quarter
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You can make 6 different amounts. 
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2 * 3 * 1 = 6
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