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fgiga [73]
3 years ago
13

Answer Please...I will give BRAINLIEST!!!

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
7 0
Given that a fair die is rolled. We know there are six numbers in a fair die.
On rolling a die, the Sample space of the given event E = {1, 2, 3, 4, 5, 6}
Sample space of numbers less than 5 = {1, 2, 3, 4}
Clearly we can see that the number of favorable outcomes = 4
Hence, P(values less than 5) = 4/6 = 2/3.
To find the complement of rolling a number less than 5, we use the formula P' = 1 - P, where P' is the complement of P.
So, let P' be the complement probability of getting numbers less than 5
Now, P'(numbers less than 5) = 1 - P(numbers less than 5)
= 1 - 2/3
= 1/3.
Hence, the probability of the complement of rolling a number less than 5 by using a six-sided die is 1/3.
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1.The angle of elevation of a jet plane from a point R on the ground is 60°. After a flight of
egoroff_w [7]

Answer:

<u>Diagram is not so perfect</u>

<u>OR = distance travelled by the jet plane</u><u>.</u>

Step-by-step explanation:

Let point J be the jet plane and OJ be the constant height at jet plane is flying and OR be the distance jet plane is travelling.

h =

1700 \sqrt{3}

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From the figure i drew (1st)

taking 60 as reference angle,

tan60° = p/b

or,

tan60 = 1700 \sqrt{3}  \div b

b \:  = 1700 \sqrt{3}  \div tan60

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tan 30 = p/b

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time = 17 seconds

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2 years ago
Solve for x. Explain the steps taken to find the solution.<br><br> 3/2 + 3x/5 = 9/2 4x/5
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Answer:

46

i just got it right

7 0
3 years ago
Please help ASAP!!!!
Karo-lina-s [1.5K]
The answer is 60. 

4x + 12 + x + x =180

solve for x. solve for d. Now you can find angle c. 
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