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kondaur [170]
2 years ago
14

At a school fair, students were challenged to hit one of the small congruent circles on the large rectangular board with a ball.

Find the probability of hitting any small circle. Type answer as a percent.

Mathematics
1 answer:
shtirl [24]2 years ago
6 0

Answer:

~4.7%

Step-by-step explanation:

Area of the rectangle: 35*52=1820

Area of 1 small circle: A=πr2=π·32≈28.27433

28.27433*3=84.82299

84.82299/1820=0.04660603846

Therefore, about 4.7%

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Minchanka [31]

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the answer which you have opted is perfect

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2 years ago
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Which description best represents the equation 25x + 50 = y
kherson [118]

Answer:

25x-y=-50

Step-by-step explanation:

5 0
3 years ago
Douglas said he can find 240÷10 by taking the 0 off 240 to get 24.
julia-pushkina [17]

Answer:

  • a. incorrect
  • A. equal to
  • 59.20 ÷ 10 = 5.920

Step-by-step explanation:

What Douglas doesn't seem to realize is that it is not the act of removing the trailing zero that gives division by 10. It is the act of moving the decimal point left one place that divides the number by 10.

8 0
3 years ago
Simplify : a) <img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D%200.49x%5E1%5E8" id="TexFormula1" title="\sqrt{x} 0.49x^1^8" alt=
Sidana [21]
<h2>The value of \sqrt{x}0.49x^{18} = 0.49x^{\dfrac{37}{2}}</h2>

Step-by-step explanation:

We have,

 \sqrt{x(0.49)}x^{18}

To find, the value of \sqrt{x(0.49)}x^{18} = ?

∴  \sqrt{x(0.49)}x^{18}

= 0.7x^{\dfrac{1}{2}} x^{18}

= 0.7x^{18+\dfrac{1}{2}}

Using the identity,

a^{m}.a^{n}=a^{m+n}

= 0.7x^{\dfrac{36+1}{2}}

= 0.7x^{\dfrac{37}{2}}

Thus, the value of \sqrt{x(0.49)}x^{18} = 0.49x^{\dfrac{37}{2}}

4 0
3 years ago
Factorise fully 6x^2+9xy
Free_Kalibri [48]
3x(2x+3y)
1. find a common multiple of either sides of the + sign...
3x
2. put it outside the brackets...
3x(    )
3. find what you have to multiply the rest equation by to get the number...
2x x 3x = 6x squared
3y x 3x = 9xy
4. put it in the brackets...
3x(2x+3y)
Hope this helps :)
4 0
3 years ago
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