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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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A couple deposits $20,000 into an account earning 5% annual interest for 30 years. Calculate the future value of the investment
makvit [3.9K]

The future value of the investment if the interest is compounded monthly is $89,354.89.

<h3>What is the future value of the investment?</h3>

Given that;

  • Principal P = $20,000
  • Annual interest rate r = 5% = 5/100 = 0.05
  • Time t = 30 years
  • Compound monthly = 12
  • Future value = A = ?

Using the compound interest formula;

A = P( 1 + r/n )^(nt)

We plug in our values.

A = 20000( 1 + 0.05/12 )^(12 × 30)

A = 20000( 1 + 0.0041666666666667)^(360)

A = 20000( 1.0041666666666667)^(360)

A = 20000( 4.46774965 )

A = 89354.89

Therefore, the future value of the investment if the interest is compounded monthly is $89,354.89.

Learn more about compound interest here: brainly.com/question/21270833

#SPJ1

5 0
1 year ago
Please help me with this
Arturiano [62]

Answer:

I believe the answer is 40 degrees

Step-by-step explanation:

they are vertical angles which mean they are equal

5 0
3 years ago
A guy wire to a tower makes a 72 degrees angle with level ground. At a point 30 ft farther from the tower than the wire but on t
Andreyy89
So.. checking the picture below

we can say y = y, or just do a substitution and end up with

\bf tan(72^o)=tan(30^o)(30+x)\implies 3.08x=\cfrac{30}{\sqrt{3}}+\cfrac{1}{\sqrt{3}}x&#10;\\\\\\&#10;3.08x-\cfrac{1}{\sqrt{3}}x=\cfrac{30}{\sqrt{3}}\implies 2.5x\approx 17.32\implies x\approx \cfrac{17.32}{2.5}

once you know, how long is "x", then you can simply use the cosine of 72° to get "r"

thus    \bf cos(\theta)=\cfrac{adjacent}{hypotenuse}\qquad cos(72^o)=\cfrac{x}{r}\implies r=\cfrac{x}{cos(72^o)}

6 0
3 years ago
Read 2 more answers
I neeeeeed HELP!!!!!!!!!!!
NeX [460]

Answer:

8 weeks

Step-by-step explanation:

p = 2w

p = total pieces = 16

then putting value in p = 2w

16 = 2w

divide by 2 on both side we get

16/2 = 2w/2

8 = w

where w is total weeks i.e 8

3 0
3 years ago
Read 2 more answers
The volume of the cylinder is 235.6 cubic feet. Find the height. Round your answer to the nearest whole number.
allsm [11]

Answer: 3 feet

Step-by-step explanation:

Here's the complete question:

The volume of the cylinder is 235.6 cubic feet the radius is 5ft. Find the height.

Note that Volume of a cylinder = πr²h

where Volume = 235.6 feet³

Radius = 5 feet

Height = Unknown

Then, we put the values back into the question and this will be:

V = πr²h

235.6 = 3.14 × 5² × h

235.6 = 3.14 × 25 × h

235.6 = 78.5 × h

h = 235.6 / 78.5

h = 3 feet

The height is 3 feet

6 0
3 years ago
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