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gladu [14]
3 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]3 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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Interoperate your solution in the context of the problem.<br> f(10)=1.75r+9
iVinArrow [24]

Answer:

Simplifying

f(r) = 5 + 1.75r

Multiply f * r

fr = 5 + 1.75r

Solving

fr = 5 + 1.75r

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by 'r'.

f = 5r-1 + 1.75

Simplifying

f = 5r-1 + 1.75

Reorder the terms:

f = 1.75 + 5r-1

Step-by-step explanation:

tada i think

6 0
4 years ago
Read 2 more answers
Every five years in March, the Population of a certain town is recorded. In 1995, the town had a population of 4,500 people. Fro
alexgriva [62]
4,500 plus 15% is 5,175 minus 4% is 4,968 so your answer is 4,968. 
5 0
4 years ago
What is the distance between the points (-4,-8) and (10,-8)?
ioda

Answer: 14

Step-by-step explanation:

Input Data :

Point 1  ( x A , y A )  = (-4, -8)

Point 2  ( x B , y B )  = (10, -8)

Objective :

Find the distance between two given points on a line?

Formula :

Distance between two points =  √ (x B − x A ) 2 + ( y B − y A ) 2

Solution :

Distance between two points =  √ ( 10 −  − 4 ) 2 + ( − 8 −  − 8 ) 2

=  √ 14 ^2 + 0 ^2

=  √ 196 + 0

=  √ 196 = 14

Distance between points (-4, -8) and (10, -8) is 14

7 0
3 years ago
Danes puppy weighd 8oz at birth .The pup weighs 18 times more. So what is his weight now.
katrin [286]
You multiply 18 by 8 and you get 144
so the puppys weight is 144oz now
5 0
3 years ago
Select the equivalent expression. 2^-4 = ?​
mrs_skeptik [129]

Answer:

1/16

Step-by-step explanation:

This means 1/2x2x2x2  = 1/16

7 0
2 years ago
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