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Inga [223]
2 years ago
12

Help me out please??

Mathematics
1 answer:
dsp732 years ago
6 0
I need
points to ask for help on math question so sorry
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A radioactive compound with mass 470 grams decays at a rate of 3% per hour. Which
xxTIMURxx [149]

After 6 hours the radioactive compound with mass 470 grams becomes 391.49 grams and the equation will be C is equal to 470(1-0.03)^6.

<h3>What is exponential decay?</h3>

During exponential decay, a quantity falls slowly at first before rapidly decreasing. The exponential decay formula is used to calculate population decline and can also be used to calculate half-life.

We know the decay can be as:

\rm C = a(1-r)^t

We have:

a = 470 grams

r = 3% = 0.03

t = 6 hours

\rm C = 470(1-0.03)^6

C = 391.49 grams

Thus, after 6 hours the radioactive compound with mass 470 grams becomes 391.49 grams and the equation will be C is equal to 470(1-0.03)^6.

Learn more about the exponential decay here:

brainly.com/question/14355665

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3 0
1 year ago
Please answer answer question now
vekshin1

Answer:

The 4th option

Step-by-step explanation:

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2 years ago
PLZ HELP ME 100 POINTS AND BRAINLEIST
Alina [70]

Answer:

measure of angle b = 65

measure of angle a = 35

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What is a synonym for legend? A legend such as one on a map...
KonstantinChe [14]
The best synonym for that kind of legend is key. Hope this helps.
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Approximately 2\%2%2, percent of the people in the world have red hair. There are about 7{,}000{,}000{,}0007,000,000,0007, comma
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Find 2% of 7 billion.

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About 140 million people have red hair.
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