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gladu [14]
2 years ago
11

There are 9 girls and 11 boys in a class, and two students will be chosen one after another. Find the probability that both are

boys.
Mathematics
1 answer:
ddd [48]2 years ago
3 0

Answer:

11/20

Step-by-step explanation:

total=20

11=boys

9=girls

p(b)=11/20

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3^{x^{2}}=2^{\log_{3}2}\\find\:{3}^{x}​
Rashid [163]

Answer:

b r u h what

Step-by-step explanation:

6 0
2 years ago
4, percent of a number is what fraction of that number?
Rama09 [41]

Answer:

a tenth of it i think is what you're asking.

Step-by-step explanation:

7 0
3 years ago
I need the explanation too !
lubasha [3.4K]
<h2>Step-by-step explanation:</h2>

- 2y + x + 3 - 5x + 7 + 4y

=  - 2y + 4y + x - 5x + 7 + 3

=  2y -  4x + 10

THIS IS YOU'RE ANSWER

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6 0
3 years ago
Read 2 more answers
The book rack sold 24 paperbacks on Saturday, 17 of them mysteries. What percent of the books were mysteries?
igomit [66]

Answer:

About 71% of the books were mystery books

Step-by-step explanation:

To find the percentage of something you simply divide the amounts. 17 of the 24 books were mystery so to find the percentage of mystery books you do 17 divided by 24

17/24= 0.70833333333

and round it to 71

8 0
2 years ago
What are the intercepts of the line 2x + 4y = 12?
Darina [25.2K]
<span>if you're finding the x intercept, y is ALWAYS 0, so in this, you can just get rid of the -4y because you know that it's 0, so you're left with 2x=12 divide by 2 on both sides so you find x intercept is (6,0) on the graph 
the y works the same way, if you're looking for the y, you know that the x is zero, so you're left with -4y=12, divide by -4y on both sides and you end up with the y intercept being (0,-3) 

x int.= (6,0) 
y int.= (0,-3) 

by the way, when it's written like that, it's called standard form, so to find the intercepts on 2x=12+4y, you'd have to convert it into standard form (Ax=By=C) so you subtract 4y on both sides to make it 2x-4y=12, and then once you have it like that you can do the math to find the y and x intercepts.
</span>

6 0
2 years ago
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