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kaheart [24]
3 years ago
5

How to find the probability of exactly one event happening?

Mathematics
1 answer:
Vlad [161]3 years ago
6 0


probability \: of \: an \: event \: happening =  \: number \: of \: ways \: it \: can \: happen \div total \: number \: of \: outcomes
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The water in a reservoir decreased by 47% during a drought. Before the drought, the reservoir held 44,580 acre ft (AF) of water.
RSB [31]


44,580 x 47 %

44,580 x .47 = 20,952.6

So, the water decreased 20,952.6 ft

If you want the water level after the drought just subtract.

44,580 - 20,952.6 =  23,627.4 ft

Hope this helps. :)

5 0
3 years ago
80% of what(?) games is 32 games..?
exis [7]
Answer=40 games

 32games    x games
________=________
    80%          100%

Cross Multiply
80x=3200
divide both sides by 80
x=40games

80% of 40games is 32 games
3 0
3 years ago
Read 2 more answers
For all values of x<br> f(x) = 3x + 2<br> Find f-¹(-12)
Novosadov [1.4K]

Answer:

-4.67

Step-by-step explanation:

first find f^-1(x)

let f(x)=y

y=3x+2

3x=y-2

x=y-2/3

Therefore f^-1(x)=x-2/3

Now f^-1(-12)=-12-2/3

=-14/3

=-4.67

8 0
2 years ago
1.Define phase shift. Could every sine function be expressed as a phase shifted cosine function? Explain.
Ann [662]
A phase shift is defined as the a<span>mount of x by which sinusoid is shifted to the left or right.
 
And yes, </span><span>every sine function be expressed as a phase shifted cosine function:
</span>
sin(t)=cos(90-t)

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
4 0
3 years ago
Which point of intersection is the solution to the system that of equations y= 2/5x-1/2 and y=-1/3x+2/3
harina [27]

Answer:

Are there no options for this question

8 0
3 years ago
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