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PIT_PIT [208]
3 years ago
13

the probability of winning a game is 20%. if you play 20 times how many times should you expect to win

Mathematics
2 answers:
julia-pushkina [17]3 years ago
6 0
The probability of winning a game out of 20 is 4 times. 
german3 years ago
4 0

Answer:

You should expect to win 4 times.

Step-by-step explanation:

The probability of winning a game is 20%.

If you play the game 20 times, you should expect to win

20% of 20 times

= \frac{20}{100} × 20

= 0.20 × 20 = 4 times

You should expect to win 4 times.

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4 0
2 years ago
What is the equation of a line that is perpendicular to −x+3y=9 and passes through the point (−3, 2) ?
8090 [49]

Answer

the equation of a line that is perpendicular to −x+3y=9 is y=-3x-7

Step-by-step explanation:

Equation of given line is −x+3y=9

we write the equation in y =mx+b to find slope of given line (m)

−x+3y=9

Add x on both sides

3y = x+ 9

Divide by 3 on both sides

y=\frac{1}{3} x + 3

Slope of given line = 1/3

Slope of perpendicular line is the negative reciprocal of slope of given line

Slope of perpendicular line = -3

Perpendicular line passes through point (-3,2) that is (x1,y1)

Now we use point slope equation

y - y1 = m (x-x1)

y - 2 = -3(x-(-3))

y - 2= -3(x+3)

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Add 2 on both sides

y = -3x - 7



8 0
2 years ago
15% 0f ______ is 12?
Daniel [21]
You can say : 15/100 = 12/? ⇒ ?=12*100/15 ⇒ ? = 80 so 15% of 80 is 12 :)))
i hope this is helpful 
have a nice day 
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Therefore, (x,y) is (-√2/2, -√2/2)
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2 years ago
HELP!!! WILL MARK BRANLIEST!! What is the equation of the graph below?​
KATRIN_1 [288]

Answer:

c

Step-by-step explanation:

I plugged the equations into Desmos Graphing Calculator and C matched

Hope This Helps!     Have A Nice Day!!

4 0
2 years ago
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