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3 years ago

6

Out of a group of 130, 80 people like basketball, 70 like soccer, 50 like both, what is the probablity if you choose randomly th

at you get someone that likes both?

1 answer:

nasty-shy [4]3 years ago

3 0

50 like both out of 130 total
Divide: 50/130 = 5/13

The answer as a fraction is exactly 5/13
The approximate answer is 0.3846

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nalin [4]

Answer:

The value of "x" is 5.

Step-by-step explanation:

In order to solve this system of equations, we first have to take the first equation and use it to represent "y" in terms of "x". We do that in the following way...

$x + 3y = 2\\3y = 2 - x\\y = \frac{2}{3} - \frac{x}{3}$

Now, we need to take the second equation and substitute "y" for the equivalent value in terms of "x". After doing this we will get the following equation, which we can solve to get the value of "x".

$4x - 3y = 23\\4x-3(\frac{2}{3} - \frac{x}{3}) = 23\\4x - 2 + x = 23\\5x - 2= 23\\5x = 25\\x = 5$

Therefore, the value of "x" is 5.

8 0

3 years ago

A 90 pound object on earth weighs 15 pounds on the moon if an object weighs 156 pounds on earth how much is a win the moon

Tanya [424]

26 pounds

Because

E is the objects gravity in earth
M objects gravity on moon

E=km
Or
90=15k

90/15=15k/15

6=k

156=6m

156/6 =6m/6

26=m

Have a great day

7 0

3 years ago

Which number line represents the solution of 4x - 9 > - 21?

Aleks04 [339]

Answer:4x -9 >= -21

4x >= -12

x >= -12/4

x >= -3

so this number line started with -3 and go away till + infinity

hope this will help you

3 0

3 years ago

If the United States is approximately 3.8 x 10 square miles and France is approximately 2.1x10' square

svetoff [14.1K]

Answer:

1.7 x 10 square miles

Step-by-step explanation:

subtract the numbers

6 0

3 years ago

A lawyer has an annual income of $173,482 and will pay a 5.5% income tax rate. What is the amount of income tax in dollars and c

gayaneshka [121]

Answer:

173,482-5.5=173,476.5

4 0

3 years ago