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Ainat [17]
2 years ago
13

Help need to do this by tomorrow

Mathematics
1 answer:
Nuetrik [128]2 years ago
5 0

Answer:

42 degrees

Step-by-step explanation:

To find the complement of an angle, subtract that angle from 90.

90 - 48 = 42

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Two balls are drawn in succession out of a box containing 5 red and 5 white balls. Find the probability that at least 1 ball was
Lera25 [3.4K]
Check the tree diagram of the problem:

The first ball can be either Red or Blue, the second ball can either be Red or Blue.

The branches represent all possible scenarios. 

For example, consider the upper branch, the case when both balls are blue:

The first ball is Blue, probability 5/10, the second ball is Blue, probability 4/9 because now there are 4 left blue balls, and 9 balls in total, after we picked the first blue.

The other branches have the same logic.

The question is not completed so we have 2 cases:

"Find the probability that at least 1 ball was​ red, given that the first ball was red"

here we add the separate probabilities of (R, R) and (R, B)

P(R,R)+P(R,B)=2/9 + 5/18 =  4/18  +5/18= 9/18=0.5

 
"Find the probability that at least 1 ball was​ red, given that the first ball was blue"

probability is P(B, R)=5/18=0.28

4 0
3 years ago
What is 0.48 written as a fraction in lowest terms?<br><br><br> I need so much help
Bumek [7]

Answer:

12/25

Step-by-step explanation:

  1. Convert .48 to a fraction (48/100)
  2. The GCF of 48 and 100 is 4. Divide 48 and 100 by 4. You will get 12/25.
4 0
3 years ago
Which of the following is the equation for a circle with a radius of rand center
klasskru [66]
The Answer would be C !
3 0
3 years ago
Which is bigger square root of 1001 - square root of 1000 or 1/10?
IgorC [24]
Square root of 1001=10.0033
square root of 1000=10
so 10.0033-10=0.0033
1/10=0.1
so, 1/10 is bigger than square root of 1001- square root of 1000
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amid [387]
78 . Hope this was helpful
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3 years ago
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