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Lostsunrise [7]
2 years ago
14

Suppose your on a game show and there were three doors. You pick a door then the host opens another door with a goat inside. He

asks you if you are going to switch or keep with this door. If you switch, it has a better chance of winning. Can anybody explain why?
Mathematics
1 answer:
Katena32 [7]2 years ago
3 0
You will have a better chance of winning because your chance before you opened the first door was 1/3 (since there was 3 doors) but now, you have 2 doors left, so it is a 50% chance that you will win.
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Double bubble/ triple 100 points !!!!!!
balu736 [363]

Answer:

see below

Step-by-step explanation:

We need to find the diameter of the square

We can find this using the Pythagorean theorem

a^2+b^2 = c^2  where the legs are 7 and 7 and the diameter is c

7^2 +7^2 = c^2

49+49 = c^2

98 = c^2

Taking the square root of each side

sqrt(98) = sqrt(c^2)

9.899494937 = c

Since 9.9 is less than 11 which is the diameter of the circle it will never touch the circle.

Since the longest part of the square is less than the diameter of the circle, the square will fit  inside the circle without touching

3 0
3 years ago
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kara opened a savings account with $8,000. she makes no changes to this account after 2 years. her account has a compound intere
olga_2 [115]

Answer:628384729

Step-by-step explanation:

One two three

7 0
2 years ago
Describe fully the single transformation that maps triangle a onto triangle b
Airida [17]

Answer:

Reflection about y=2

Step-by-step explanation:

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8 0
2 years ago
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Determine whether f(x) = 5x+1/x and g(x)= x/ 5x+1 are inverse functions explain how you know. please explain in steps or worded
Len [333]

Hello from MrBillDoesMath!

Answer:

No


Discussion:

If the functions are inverses, then f(g(x)) = x  for appropriate x. Consider x = 1.

g(1) = 1/ (5(1) + 1) = 1/6

f(g(1)) = f (1/6) =  5(1/6) + 1/ (1/6) = 5/6 + 6 = 6 5/6   <> 1

Conclusion: f(g(1)) <> 1 so the functions are not inverses


Thank you,

MrB

7 0
3 years ago
Two lines intersect to form four angles. The measure of one angle is 27 degrees. Draw a diagram to show the measures of the othe
Snowcat [4.5K]
Since there is a 180 degrees in a straight line and we know that the intersection of one angle is 27 degrees we can can say 180 -27 = 153 degrees.  So the four angles would be 27, 27 153, 153 

3 0
3 years ago
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