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Marat540 [252]
3 years ago
13

A teacher asked students in his class if they had any brothers or sisters. The results are shown below. What is the chance of ra

ndomly selecting someone from this group with a brother given that they have a sister?
P(Brother|Sister)

Group of answer choices

5/12

5/17

5/9

5/14
Mathematics
1 answer:
Mamont248 [21]3 years ago
7 0

Answer:

5/14

Step-by-step explanation:

Just took the test

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3. The sum of two numbers 49. The difference of the two numbers is 15. What is the product of the two numbers?
Alborosie

Lets set the two numbers as 'a' and 'b'

Now let us set up some equations based on the information:

  • sum of two numbers 49 -->  a + b = 49
  • difference of the two numbers is 15 --> a -b =15

Equations

 a + b = 49 -- equation 1

 a - b = 15 -- equation 2

Solve:

 (equation 1) + (equation 2)

    2a = 64

      a = 32 -- equation 3

 (equation 3)'s value of a into (equation 2)

  32 - b = 15

    b = 17

The products of 'a' and 'b' is 544

Hope that helps!

 

3 0
2 years ago
What is 3.4x.61? And how do I solve it
Olin [163]

Answer:

Step-by-step explanation:

Answer: 2.074

can also be written as a fraction 2  37/500

3 0
2 years ago
What 1/4(3.14)(5.4^3)(12)<br><br>and any player boys out there<br>plzzzzzz im bored
Soloha48 [4]

Answer is 1483.31088

Explanation:

It is asked that =(\frac{1}{4})(3.14)(5.4^{3} )(12)\\=(3.14)(5.4^{2} )(3)\\\\=(3.14)(157.464)(3)\\=1483.31088\\

Answer is 1483.31088

6 0
3 years ago
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Danika picked no more than 40 apples for baking pies. Her recipe for 8 apples to make 1 pie. If p is the number of pies Danika w
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Answer:

Step-by-step explanation:

C

3 0
3 years ago
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9( 2k + 3 ) + 2 = 11 ( k- y )
Mashcka [7]
9(2k+3)+2=11 (k-y) 
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3 years ago
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