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Mrac [35]
3 years ago
10

How many brothers and sisters are there in a family in which each boy has as many sisters as brothers but each girl has twice as

many brothers as sisters?
Mathematics
1 answer:
Ad libitum [116K]3 years ago
7 0
A family with no children will work because each boy has 0 sisters and 0 brothers and the girls have 2 times as many brothers as sisters because 2 times 0 is still 0.
It also works in a family with 4 boys 3 girls
each boy has 3 brothers and 3 sisters and the sisters have 4 brothers and 2 sisters
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Which graph is a solution set to the opening sentence? 10< -2b or 2b+3>11
andrew11 [14]

10 < -2b\qquad\text{change the signs}\\\\-10>2b\qquad\text{divide both sides by 2}\\\\-5>b\to \boxed{b11\qquad\text{subtract 3 from both sides}\\\\2b>8\qquad\text{divide both sides by 2}\\\\\boxed{b>4}

<h3>The second graph.</h3>

4 0
4 years ago
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VladimirAG [237]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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Mila [183]

Answer:

C

Step-by-step explanation:

5 0
3 years ago
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dolphi86 [110]

Answer:

Step-by-step explanation:

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5 0
3 years ago
Which one is it? Please help
nevsk [136]

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D

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I just did it and got it right

6 0
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