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LUCKY_DIMON [66]
3 years ago
5

A bag has 4 yellow, 6 red, 2 green, and 8 purple marbles . What is the probability of picking a purple marble, replacing it, and

then picking another purple marble
Mathematics
2 answers:
Brut [27]3 years ago
8 0
The probability is 7/19
Ostrovityanka [42]3 years ago
3 0
7/19 is the answer because your replacing the purple marble and it became 7 all u do is add them
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suppose the university bursar said that 600 student entered for business mathematics 300 entered for statistics while 173 studen
horsena [70]
The number of students who enrolled in business mathematics alone can be calculated by subtracting the number of students enrolled in both from the total number of students enrolled for business mathematics.

                                x = 600 - 173 = 427

In similar manner, we solve for the number of students enrolled for only statistics

                                 y = 300 - 173 = 127

The total number of students enrolled in two courses altogether is the sum of x and y and 173.

                                T = 427 + 127 + 173 = 727

Thus, all in all there are 727 students enrolled in the two courses.  
4 0
4 years ago
Can you show how to solve this question? Thomas and Sharlina work on weekends and holidays doing odd jobs around the neighborhoo
den301095 [7]
To find out how much they earned, we need to find the GCF of 184 and 207.

The greatest common factor (GCF) of 184 and 207 is 23.

That means they earn 23 dollars per day. That is your answer for part b.

And Thomas worked 184/23 = 8 days
While Sharlina worked 207/23 = 9 days

That is your answer for part a.
6 0
4 years ago
Z+11≤17<br> What is the answer?
Art [367]

Answer:

Z is less than or equal to 6

Step-by-step explanation:

6 0
3 years ago
A triangle has measurements of 39, 52, and 65 units. Is it a right triangle?
Ivanshal [37]
Hi!

We can use the Pythagorean Theorem to see if it is a right triangle.

The Pythagorean Theorem is a² + b² = c².

c = the longest side, or the hypotenuse. In this case, the hypotenuse should be 65.
39 can be a, and 52 could be b, or 52 could be a, and 39 could be b. It doesn't matter. 

39² + 52² = 65²

Is this equation true? 

Yes! This equation is true. 

The answer is Yes, this is a right triangle. 

Hope this helps! :)

8 0
3 years ago
Read 2 more answers
[1 6 9 3]<br> [2 5 8 1] <br> [0 2 2 4] <br> what are the dimensions of the matrix
nasty-shy [4]

Answer:

4 by 3

Explanation:

Rows by columns

5 0
3 years ago
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