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Korvikt [17]
2 years ago
12

a simple dart target has two concentric circles. the larger circle has a radius of 4. the smaller circle has a radius of 2. the

scoring should correspond to the relative difficulty of hitting the inner circle and the outer ring. how many more points should a player receive for landing a dart in the inner circle, as opposed to the outer ring? the player should receive 2 π times as many points. the player should receive 3 times as many points. the player should receive 9 times as many points. the player should receive 4 π times as many points.
Mathematics
1 answer:
Inessa05 [86]2 years ago
7 0

The points awarded for striking the inner circle ought to be tripled.

What is the inner circle?

  • The face region of the circle determines the likelihood of landing an outrage there.
  • The formula for calculating a circle's area is: inner circle for the exterior circle, apply the formula to subtract the inner circle's value to determine the remaining area.

The formula for the area of a(one) circle is an inner circle for the external circle, use the formula also abate the value of the inner circle, to find the remaining area, which means that the area of the external circle is 3( three) times larger, making it 3( three) times more likely to hit the external circle.

Thus, The points awarded for striking the inner circle ought to be tripled.

\pi r^2 A =\pi  2^2 = 12.566 A\\

so,

\pi   4^2 - 12.566 = 3(three)

Learn more about inner circle here: brainly.com/question/22340654

#SPJ4

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Answer:

The equation of the graphed line written in standard form is:x-y=0

Step-by-step explanation:

we know that for graphing lines the equation of a line must be in standard form.

the standard form of a line is given by ax+by=c where a,b,c are some real numbers.

hence, in the given question for graphing our line we must use the equation x-y=0 because on comparing it to the general equation of the line ax+by=c we have here a=1, b=-1 and c=0.

therefore the standard form is: x-y=0

7 0
3 years ago
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Suppose a normal distribution has a mean of 266 and a standard deviation of
Jet001 [13]

Answer:

P(x>278) is 0.16

Step-by-step explanation:

We are given that a normal distribution has a mean of 266 and a standard deviation of  12.

Mean = \mu =266

Standard deviation =\sigma = 12

We are supposed to find P(x > 278)

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Z=\frac{278-266}{12}

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P(x<278) is 0.84

P(x>278)=1-P(x<278)=1-0.84=0.16

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3 0
3 years ago
(7 + 10i)+(4-10i)-(7-5i)
AleksAgata [21]

Answer:

4 + 5i

Step-by-step explanation:

To calculate this you have to combine the like terms until they cannot be combined any further:

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Hope this helps!

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Step-by-step explanation:

Use the distributive property (or FOIL).

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24a^2 - 8a^2 + 4a

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Other options:

=16a^2 + 4a

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