3 years ago

A graph of a quadratic function

Mathematics

2 answers:

WITCHER [35]3 years ago

8 0

Answer:

Step-by-step explanation:

aleksley [76]3 years ago

6 0

Answer:a

Step-by-step explanation:

I am expecting a if not, change the sighns.

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<img src="https://tex.z-dn.net/?f=8%20-%20%20%7B2%7D%5E%7B2%7D%20%20%2B%203%20-%205" id="TexFormula1" title="8 - {2}^{2} + 3 -

Vlad1618 [11]

The answer should be 8+[(2^2)+3]-5

Hope this helps!

3 0

3 years ago

In my carpenter shop I make 3 legged stools and 4 legged chairs. I looked at my days output and counted 55 legs and 16 seats. Ho

Stells [14]

$x-number\ of\ stools\\y-number\ of\ chairs\\\\ \left \{ {{y+x=16} \atop {3x+4y=55}} \right. \\\\From\ first\ equation:\\\\y=16-x\\\\Substract\ to\ second\ equation:\\\\3x+4(16-x)=55\\3x+64-4x=55\\3x-4x=55-64\\-x=-9\\x=9\\\\y=16-9=7\\\\ \left \{ {{y=7} \atop {x=9}} \right.$