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3 years ago

Someone please help me with this.

Mathematics

2 answers:

Elina [12.6K]3 years ago

4 0

Answer:

Step-by-step explanation:

There are not any angles shown, and the triangle is not a right triangle, so it is SSS

-Dominant- [34]3 years ago

3 0

Answer:

Step-by-step explanation:

I know this is rather sneaky, but on a multiple choice question on a quiz, you need all the help you can get. I'm not saying this is a quiz, by the way. It doesn't say that it is anywhere.

Look carefully at the first three statements. Is there an angle mentioned at all? There isn't, is there? That being the case (and since nothing is marked as a right angle), the only possible answer is SSS which D.

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What is 3/4 divided by 1/2

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0.375

Step-by-step explanation:

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4 years ago

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aleksley [76]

Answer:

5/6

Step-by-step explanation:

1/3 + 1/2 =

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3 years ago

There are 200 seats on the Boeing 747 flight from Dallas to Houston. Assume that the number of passengers who buy tickets but do

Dimas [21]

Answer:

a. The number of reservations should the manager accept is 225 bookings

b. The probability that the manager will have to compensate for customers when there are not enough seats is 0.2317

Step-by-step explanation:

According to the given data we have the following:

Cost of Overage Co = 800

Cost of Underage Cu = 475

Hence, Critical Ratio = Cu/(Cu+Co)

Critical Ratio = 475/1275

Critical Ratio = 0.3725

To calculate the number of reservations should the manager accept we would have to calculate first the Optimal Number of Overbooking as follows:

Z = NORM.S.INV(0.3725) = -0.3251

Optimal Number of Overbooking = Mean of No show + Z*Sd of No show

Optimal Number of Overbooking = 30 - 0.3251*15

Optimal Number of Overbooking = 25.12

Optimal Number of Overbooking = 25

a. Therefore, Number of reservation = Capacity + Overbooking = 200+25 = 225 bookings

b. Number of Overbooking = 220 - 200 = 20

Manager will have to compensate if there will be less than or equal to 19 No show.

Therefore, to calculate the probability that the manager will have to compensate for customers when there are not enough seats we have to calculate the following formula:

P(Compensation) = P(No Show <= 19) = P(Z <= (19-30/15))

P(Compensation) = P(Z<= - 0.7333)

P(Z< - 0.7333) = NORM.S.DIST(-0.7333,1)

P(Z< - 0.7333) = 0.2317

P(compensation) = 0.2317

Probability of Compensation = 0.2317

6 0

3 years ago

PLS HELP WITH THIS GEOMETRY

Dominik [7]

Answer:

(7, 5) no

(-6, -3) yes

(-5, 2) no

(1, -4) no

Step-by-step explanation:

For this question we have to input the x and y values into the equation: 2x - 9y = 15

For (7, 5) we would get 14 - 45 = 15 which is false so it is not a solution.

For (-6, -3) we would get -12 + 27 = 15 which is true so it is a solution.

For (-5, 2) we would get -10 - 18 = 15 which is false so it is not a solution.

For (1, -4) we would get 2 + 36 = 15 which is false so it is not a solution.

4 0

3 years ago