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hjlf
4 years ago
7

Please help me with this. and could you please explain it to me​

Mathematics
2 answers:
Zinaida [17]4 years ago
7 0

Answer:

The square below has an area of x^2-10x+25x

2

−10x+25x, squared, minus, 10, x, plus, 25 square meters.

What expression represents the length of one side of the square?

Step-by-step explanation:

jekas [21]4 years ago
4 0

Answer:

what do you need help with

Step-by-step explanation:

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4 years ago
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After 3 days a sample of radon-222 has decayed to 58% of its original amount.(
iren2701 [21]
Half-life = [elapsed time * log (2)] / [log (begng amt / endg amt)]
half-life =  (3 days * 0.30102999566) / log (1 / .58)
<span>half-life =  0.903089987 / log </span> (<span> <span> <span> 1.724137931)
</span></span></span>half-life =  <span>0.903089987 / 0.23657200643</span>
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Source:
http://www.1728.org/halflife.htm

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