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S_A_V [24]
3 years ago
9

SOMEONE HELP ME PLEASE

Mathematics
2 answers:
aalyn [17]3 years ago
4 0

Answer:

9/25

Step-by-step explanation:

3 novels , 1 bio , 1 poetry = 5 books

P( novel) = novels / books

               = 3/5

Book is returned

3 novels , 1 bio , 1 poetry = 5 books

P( novel) = novels / books

               = 3/5

P(novel, return, novel) = 3/5 * 3/5 = 9/25

dangina [55]3 years ago
4 0

Answer:

3/5

Step-by-step explanation:

There are 5 books, and there are 3 novel books.

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I need help plz and thank u sm
Alchen [17]

Answer:

5x + 3

Step-by-step explanation:

Since we can see DC is the median of Triangle ABC

So it breaks the into two equal parts

Given

AD = 2x + 5

BD = 3x - 2

Now

AB = AB + BD

= 2x + 5 + 3x - 2

= 5x + 3

Hope it will help :)❤

7 0
3 years ago
Find the slope of any line parallel to the line through the given points (3,2),(3,1)
Elza [17]

Answer:

the qoustion is not correct

3 0
3 years ago
·A long distance runner started on a course running at an average speed of 6
bezimeni [28]
Um i didn’t really understand i’m very sorry but i would honestly love to help if i could
8 0
3 years ago
A bag contains 9 marbles: 2 are green, 3 are red, and 4 are blue. Raina chooses a marble at random, and without putting it back,
Yakvenalex [24]
<h3>Answer:   1/12</h3>

=========================================================

Explanation:

There are 3 red out of 9 total

The probability of picking red at random is 3/9 = 1/3

If the first marble is not put back, then the chances of picking red again are now 2/8 = 1/4

Notice how I subtracted 1 from the numerator and denominator of 3/9 to get to 2/8. This is because the red count and the total count both go down by 1 each.

Now multiply the fractions mentioned:

(3/9)*(2/8) = (1/3)*(1/4) = (1*1)/(3*4) = 1/12

If you did this trial 12 times, then you should expect to get two reds about once. That's one way to interpret the probability of 1/12.

Side note: 1/12 = 0.0833 = 8.33% approximately

5 0
2 years ago
What shapes have diagonals that aren't lines of symmetry
krok68 [10]
Irregular polygons because they can have one side a right angle then all the other sides bent up, with leaves a diagonal not being symmetric. 
6 0
3 years ago
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