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Verdich [7]
2 years ago
7

What is the solution of x - 9/ 7x + 2 < 0

Mathematics
1 answer:
vampirchik [111]2 years ago
6 0

Answer:

x>7

Step-by-step explanation:

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Eric and Joshua are playing ping pong and pool. Joshua believes he has a good chance of beating Eric in at least one of the game
Sunny_sXe [5.5K]

The question is incomplete! Complete question along with answer and step by step explanation is provided below.

Question:

Eric and Joshua are playing ping pong and pool. Joshua believes he has a good chance of beating Eric in at least one of the games. The probability Joshua beats Eric in ping pong is 0.48. The probability Joshua beats Eric in pool is 0.46. Joshua is willing to assume the probability of Eric winning a game of ping pong is independent of him winning a game of pool.

Find the probability:

The probability that Joshua beats Eric in ping pong AND pool?

The probability that Joshua beats Eric in ping pong OR pool?

Answer:

P(pp & pool) = 22%

There is 22% probability that Joshua beats Eric in ping pong AND pool.

P(pp OR pool) = 50%

There is 50% probability that Joshua beats Eric in ping pong OR pool.

Step-by-step explanation:

The probability Joshua beats Eric in ping pong is given by

P(pp) = 0.48

The probability Joshua beats Eric in pool is given by

P(pool) = 0.46

The probability that Joshua beats Eric in ping pong AND pool is given by

P(pp & pool) = P(pp)×P(pool)

P(pp & pool) = 0.48×0.46

P(pp & pool) = 0.22

P(pp & pool) = 22%

Therefore, there is 22% probability that Joshua beats Eric in ping pong AND pool.

The probability that Joshua beats Eric in ping pong OR pool is given by

P(pp OR pool) = P(pp)×0.52 + P(pool)×0.54

Where 0.52 is the probability that Eric beats Joshua in the ping pong match (1 - 0.48 = 0.52)

Where 0.54 is the probability that Eric beats Joshua in the pool match (1 - 0.46 = 0.54)

P(pp OR pool) = 0.48×0.52 + 0.46×0.54

P(pp OR pool) = 0.25 + 0.25

P(pp OR pool) = 0.50

P(pp OR pool) = 50%

Therefore, there is 50% probability that Joshua beats Eric in ping pong OR pool.

6 0
3 years ago
Which point lies on the graph of the finite sequence shown?<br> 5, –1, 6, 0, 7, 1, 8
djyliett [7]
Hello,

u_{1} =5\\&#10; u_{2} = u_{1}-6=5-6=-1\\&#10; u_{3} = u_{2}+7=-1+7=6\\&#10; u_{4} = u_{3}-6=6-6=0\\&#10; u_{5} = u_{4}+7=0+7=7\\&#10; u_{6} = u_{5}-6=7-6=1\\&#10; u_{7} = u_{6}+7=1+7=8\\&#10;...\\&#10;&#10;\boxed{ u_{2n} = u_{2n-1}-6}\\\\&#10;&#10;\boxed{ u_{2n+1} = u_{2n}+7}\\&#10;&#10;
7 0
3 years ago
Read 2 more answers
SOLVE CORRECTLY AND SHOW WORKKKK!
nadya68 [22]

Answer:

50=(3x)x

Step-by-step explanation:

50=(3x)x. The question is only asking for the inequality of the problem. Since the area of a rectangle is L x W, you would write L as 3x and W as x, and since the area of the rectangle is given, you can set the area as 50.

3 0
1 year ago
Read 2 more answers
jackie drove 7 hours at an average of 60 miles an hour...how far did she travel... pls hurry i need to know soon thx
Furkat [3]

Answer: 420 miles

Step-by-step explanation: She drove 7 hours at an average of 60 mph. You have to do 7 times 60 because each hour she goes 60 miles. 7 multiplied by 60 will give you 420.

4 0
3 years ago
What is the answer to this math problem
pishuonlain [190]

Answer:

Domain: c)

Range: d)

Step-by-step explanation:

The domain means all of the possible x-values. To find the domain, find the leftmost and rightmost value of x. They are 0 and 8.5.

The range means all of the possible y-values. To find the range, find the lowest and higher values for y. They are 0 and 12.5.

"All numbers" means x or y can be any number, decimal decimal numbers. "Whole numbers" mean x or y can only be numbers that don't have decimals.

Both x and y can be decimal numbers because the graph is not broken up. If it could only be whole numbers, the graph would be dots.

4 0
3 years ago
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