3 years ago

I didn’t do this but my friend needs help so help

Mathematics

1 answer:

yuradex [85]3 years ago

8 0

Answer:

1. X = 14

2.X =13

Step-by-step explanation:

The angles are 90 degrees. I did math to check if the x values are correct and they are.

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$\sf\ Answer: A)\ 7$

$\sf\ \sqrt{49}=\\\±7\\\\-7\ and\ 7\ are\ both\ square\ roots\ of\ 49\ because\ 7\times7=49\ and\\\\-7\times-7=49.\\\\But\ as\ I\ said\ before,\ principal\ square\ roots\ can\ not\ be\ negative\\\\numbers.\\\\That\ will\ eliminate\ any\ options\ with\ -7.\\\\So\ the\ only\ principal\ square\ root\ that\ we\ have\ is\ {\boxed{7}$

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