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WITCHER [35]
3 years ago
15

At school barbecue 3 times as many hot dogs were served as Hamburgers. if there were 124

Mathematics
2 answers:
victus00 [196]3 years ago
8 0

Answer:

There where 44 hot dogs in all.

Step-by-step explanation:

If there are 124 Hamburgers and hot dogs that have been served and there's 3 times as many hot dogs then Hamburgers then your going to divide to find out how many.

vivado [14]3 years ago
8 0

Answer:

93 hot dogs

Step-by-step explanation:

Make a system of equations

Let x represent hamburgers and y represent hot dogs

x+y=124

y=3x

Substitute 3x in for y

x+3x=124

Combine like terms

4x=124

Divide by 4 on both sides

x=31

There were 31 hamburgers, sold, so plug 31 back in the first equation

31+y=124

Subtract 31 on both sides

y=93

So, 93 hot dogs were served

Hope this helps! :)

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Which of the following is equal to the rational expression when x*-2 or 3?<br> X^2 +5x+6<br> X^2-X-6
trasher [3.6K]

Answer:

Step-by-step explanation:

x=-2, x=3

---------------

x^2+5x+6=(-2)^2+5(-2)+6=(-2)(-2)-10+6=4-10+6=-6+6=0

x^2+5x+6=3^2+5(3)+6=9+15+6=24+6=30

---------------------------------------------------------------

x^2-x-6=(-2)^2-(-2)-6=4+2-6=6-6=0

x^2-x-6=3^2-3-6=9-3-6=6-6=0

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3 years ago
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Answer:

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Step-by-step explanation:

Here ,

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Answer:

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