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slamgirl [31]
3 years ago
6

Can someone tell me the answer for this?

Mathematics
2 answers:
borishaifa [10]3 years ago
4 0
36^{2} + 18^{2} = c^{2}... A squared + B squared = C squared
1296 + 324 = c^{2}... square 36 and 18
1620 = c^{2}... combine like terms
40.25... square root 1620 to get final answer- 40.25 m
goldenfox [79]3 years ago
3 0
Do 18 squared plus 36 squared and then what u get you have to square root it<span />
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Step-by-step explanation:

Let b represent the number of black printer ink cartridges sold. Let c represent the number of color printer ink cartridges sold.

Set up a system of equations:

\displaystyle\\\begin{cases}b+c=59\\17.99b+20.99c=1,118.41\end{cases}

b+c=59\implies b=59-c

Substitute:

\displaystyle\\17.99(59-c)+20.99c=1,118.41\\\implies c=\boxed{19}

\implies b+19=59\implies b=\boxed{40}

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