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Elza [17]
3 years ago
12

Plz help! Is this right? Question is below!

Mathematics
2 answers:
GalinKa [24]3 years ago
8 0

Answer:

infinitely many solutions

Step-by-step explanation:

dalvyx [7]3 years ago
7 0

Answer: infinetly many solutions

Step-by-step explanation:

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Find the missing probability.
Westkost [7]

The value of the missing probability is:

P(A) = 1/5

So the correct option is D.

<h3>How to find the missing probability?</h3>

First, we know that:

P(A∩B) = probability that events A and B are true = 3/100

And we also know that:

P(B|A) = probability that event B is true given that event A is true = 3/20

Here we have the rule:

P(A∩B) = P(B|A)*P(A)

Replacing the first two:

3/100 = (3/20)*P(A)

Solving for P(A), we get:

(3/100)*(20/3) = 1/5 = P(A).

So we conclude that the correct option for the missing probability is the one in option D.

If you want to learn more about probability:

brainly.com/question/25870256

#SPJ1

4 0
1 year ago
A local gym had 490 members last quarter. This quarter, with a change in its rates, it has 686 members. What is the percent of i
sergij07 [2.7K]

Given:

Number of gym members in last quarter = 490

Number of gym members in this quarter = 686

To find:

The percent of increase in the number of members.

Solution:

We have,

Number of gym members in last quarter = 490

Number of gym members in this quarter = 686

Now, the percent of increase in the number of members.

\%\text{ of increase}=\dfrac{{Members in this month - Members in last month}}{\text{Members in last month}}\times 100

\%\text{ of increase}=\dfrac{686-490}{490}\times 100

\%\text{ of increase}=\dfrac{196}{490}\times 100

\%\text{ of increase}=\dfrac{2}{5}\times 100

\%\text{ of increase}=2\times 20

\%\text{ of increase}=40

Therefore, the gym members increased by 40%.

4 0
3 years ago
Just one math question i'll mark brainliest :)
drek231 [11]

Answer:

14

Step-by-step explanation:

9 + 4 = 13 and 1/2 + 1/2 = 2/2 = 1 and 13 + 1 = 14

4 0
3 years ago
Please help!!! 10 points!
BigorU [14]

Answer:

I'd say about 45 degrees :)

Step-by-step explanation:

3 0
2 years ago
Which shows all the like terms in the expression? <br><br> 4x -3+7x + 1
vaieri [72.5K]

Answer:

4x and 7x; -3 and 1: these are like terms

Step-by-step explanation:

when finding like terms, look for same variables.

6 0
2 years ago
Read 2 more answers
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