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zzz [600]
2 years ago
6

PLEASE HELP ME! I am stuck on 12 and 13. Thanks in advanced! :D

Mathematics
2 answers:
Juliette [100K]2 years ago
8 0

Answer:

75, 105

Step-by-step explanation:

12. 180-105 = 75

13. 105

kotykmax [81]2 years ago
7 0

Answer:

12. Angle 17 = 75 because 180-105 is 75

13. Angle 17 = 105 because angle 6 and 17 are the same angles

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You are on a game show and you are given the choice of three doors. Behind one door is a car (the main prize). Behind each of th
makvit [3.9K]

Answer:

You need to switch doors.

Switching the door has higher probability of winning.

Step-by-step explanation:

Consider the provided information.

Suppose there are 3 doors, A, B and C

Behind one door is a car that means the probability of getting a car is 1/3

Suppose you select door A

The probability that the it has a goat is 2/3. That means it is very likely to be a goat behind door A.

The other two door(B and C) are more likely to contain a goat and car.

The host opens another door which has a goat behind it. Let say he open the door B.

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4 0
2 years ago
A farmer has 1800 m of fencing. He needs to create
NeTakaya

Answer:

67,500 m²

Step-by-step explanation:

ASSUMING the fields look like this __________________

                                                            |                    |                   |

                                                            |                    |                   | W

                                                            |_________|_________|

                                                                                L                                                            

Let L be the length of the combined field and W be the width

2L + 3W = 1800

2L = 1800 - 3W

L = 900 - 1.5W

A = LW

A = (900 - 1.5W)W

A = 900W - 1.5W²

Area will be maximized when the derivative equals zero.

dA/dW = 900 - 3W

        0 = 900 - 3W

     3W = 900

       W = 300 m

L = 900 - 1.5(300)

L = 450 m

A = LW = 450(300) = 135,000 m²

so each sub field is 135000/2 = 67,500 m²

7 0
2 years ago
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