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mrs_skeptik [129]
3 years ago
11

if you have a class with 32 students and 16 of them are boys how many girls are there in the class ​

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
6 0

Answer: if there are 32 students in the class and 16 are boys so the other half well be 16 girls. 16 + 16 = 32. Sooo the answer is 16 girls

Step-by-step explanation:

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larisa86 [58]
Answer: 0 \ \textless \  x \le 8

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The value 8 is included since a square bracket is used here. The use of "or equal to" is needed to make sure the endpoint 8 is included.

So x can be any number between 0 and 8. It can't be 0 but it can be 8. 
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If f(x) = - x + 4 and g(x) = x ^ 2 - 5 , then f(g(-2))=?
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Answer:

Step-by-step explanation:

using your f(x) I want to show you how to plug in different things itnot he function.

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f(m) = -m + 4

f(abc) = -(abc) + 4

f(h(x)) = -h(x) + 4

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5 0
3 years ago
3x+2y=23<br> 1/2x-4=y<br><br> What should I do for this one...? I dont really understand
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Since you have y alone on one side of the equation......

Use substitution and plug in 1/2x-4 for y in the other equation.


3x+2(1/2x-4)=23\\

Distribute

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Combine like terms

4x-8=23

Add 8 to both sides

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Divide by 4

and x=31/4

Plug this value in for x

31/4*1/2-4=y

Simplify

31/8-4=y

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31-32=8y\\-1=8y

Divide.....

y=-1/8


Your answers are:

y=-1/8\\x=31/4



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Step-by-step explanation:

Hi

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