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Ostrovityanka [42]
3 years ago
5

On a biased dice , the probability of getting a 6 is 4/5. The dice is rolled 500 times. How many sixes would you expect to roll?

Mathematics
1 answer:
tatyana61 [14]3 years ago
5 0

Find 4/5 of 500.

4/5*500=400

You will roll 400 sixes.

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A square dartboard contains a red square and a blue square that overlap. A dart hits a random point on the board.
FinnZ [79.3K]
They want to know the probability of landing in the blue and red section at the same time. In other words, they want to know the probability of landing in the purple section.

We'll need the area of the purple square. This square is 1.5 inches by 1.5 inches. This is because 4 - 2.5 = 1.5

So the purple square has an area of 1.5*1.5 = 2.25 square inches

Divide this over the total area of the largest square (which is 9x9) to get 2.25/81 = 0.02777... where the 7's go on forever

Round that to two decimal places. The final answer is 0.03

Side note: 2.25/81 is equivalent to the reduced fraction 1/36 (express 2.25/81 as 225/8100 and then divide both parts by the GCF 225)
5 0
3 years ago
9^a-5 = 12<br><br> pls answer
xenn [34]

Answer:

a=1.29 approx

Step-by-step explanation:

5 0
3 years ago
What can be concluded about the line represented in the table? Check all that apply. x y –6 –7 2 –3 8 0 The slope is 2. The slop
Stels [109]
The first thing we must do for this case is to find the equation of the line.
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We evaluate x = 0 in the function:
 y = (1/2) (0) - 4&#10;&#10;y = -4

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 m = 1/2&#10;

 Point (-2, -5):
 
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 Point (8, 0):
 
It is part of the table, therefore belongs to the line.

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7 0
3 years ago
Read 2 more answers
Glenn invested $15,000 at 3% interest compounded annually.
Anestetic [448]

15000 * (1+ 0.03)^4

15000  *1.1255 = 16882.63 total after 4 years


16882.63 - 15000 = 1882.63 total interest


Answer is D


3 0
3 years ago
Please answer this question correctly. Need help ASAP.!
Tomtit [17]

Answer:

approximation is often useful when it is not a very good one

3 0
3 years ago
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