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Solnce55 [7]
2 years ago
13

Please help, thank you!

Mathematics
1 answer:
maxonik [38]2 years ago
5 0

Answer:

P = \frac{4}{25}\\

Step-by-step explanation:

Big circle area:

A=\pi r^{2} =\pi (10)^{2} =100\pi

Smaller circle área:

A=\pi (4)^{2} =16\pi

Probability:

P=\frac{16\pi }{100\pi } =\frac{4}{25}

Hope this helps

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Algebra Question ( Matrices and Determinants ) 20 point
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The determinant of a 2 x 2 matrix can be calculated as:
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Determinant G = 24 - 0 = 24

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6 0
3 years ago
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All the pupils at a primary school come from one of three villages: Elmswell, Haughley or Woolpit. 1/4 of the pupils come from E
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Answer:

<em>680</em>

Step-by-step explanation:

Given that:

All the pupils at a primary school come from one of three villages: Elmswell, Haughley or Woolpit.

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\frac{3}{5} of the pupils come from Haughley

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To find:

Total number of pupils in the school.

Solution:

Let total number of pupils = 100x

So, number of pupils that come from Elmswell = \frac{1}{4} of 100x

OR

\dfrac{1}{4} \times 100x\\\Rightarrow 25x

And, number of pupils that come from Haughley= \frac{3}{5} of 100x

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\dfrac{3}{5} \times 100x\\\Rightarrow 60x

Number of pupils that come from Woolpit = 100x - 25x - 60x \Rightarrow 15x

As per given statement:

15x = 102\\\Rightarrow x =6.8

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Number of pupils from Haughley = 60x = 60 \times 6.8 = 408

Total number of pupils at the school = 100x \Rightarrow 100 \times 6.8=680

7 0
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Answer:

Your answer would be:

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Hope this helps Buddy!


-Courtney


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