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Kryger [21]
3 years ago
14

Using the figure of the bullseye above, what is the probability that a shooter will hit the bullseye two shots in a row? Express

your answer as a percentage rounded to the nearest whole percent.

Mathematics
2 answers:
Tpy6a [65]3 years ago
7 0
The probability of hitting it once is the ratio of the bullseye area to the whole target.
So 144/484=.2975
For it to happen twice in a row, would be this squared which is .088=.09 or 9%
mel-nik [20]3 years ago
7 0

Answer: Third option is correct.

Step-by-step explanation:

Since we have given that

Radius of area of bulls eye = 12 cm

So, Area of bulls eye would be

\pi r^2\\\\=\pi (12)^2\\\\=144\pi

Similarly, radius of complete circle = 12+5+5=22 in.

So, Area of circle is given by

\pi r^2\\\\=\pi (22)^2\\\\=484\pi

We need to find the probability that a shooter will hit the bulls eye two shots in a row is given by

\dfrac{144}{484}\times \dfrac{144}{484}\\\\=0.0885\\\\=8.85\%\\\\\approx 9\%

Hence, third option is correct.

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zhenek [66]

Answer:

step 1

3/4+5/4

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dinominator is same so we have to put 4

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3+5/4

step 4

7/4

answer is 7/4

7 0
3 years ago
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The normal mean temperature in borrow Alaska is -2F in November the normal mean temperature in October is 19F warmer than in Nov
Tamiku [17]

Answer:

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Step-by-step explanation:

(-2F) +(19F) = 17F

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3 years ago
Solve the equation for r C=(r+k)m
alexira [117]

Answer:

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rm= c- km (then divide everything by my)

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7 0
3 years ago
Cecilia's train travled at 240 miles in 3 hours. How far will it travel in 5.5 hours.
yanalaym [24]
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6 0
3 years ago
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klemol [59]

Answer:

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Step-by-step explanation (work shown in picture attached):

1) The first step in solving by substitution is to isolate the y-term in one of the equations if it is not already isolated. Isolate y in the first equation by dividing both sides by -2. This leaves us with the equation y = \frac{-x}{2}

2) Now, substitute \frac{-x}{2} for the y in the second equation. Simplify and isolate x. (You can multiply everything by -2 to get rid of the fraction.) This leaves us with x = -18.

3) We've found the x-value of the solution, -18. Now, substitute -18 for x back into one of the original equations (I chose the first one because it was simple) and isolate y. This gives us y = 9. Thus, in point form, the answer is (-18,9).

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