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gtnhenbr [62]
3 years ago
11

2+1-2+3+4+5+6+7(8) +7+7​

Mathematics
1 answer:
Lyrx [107]3 years ago
6 0

Answer:

89

Step-by-step explanation:

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The weight of a radioactive isotope was 96 grams at the start of an experiment. After one hour, the weight of the isotope was ha
zimovet [89]
The starting weight of the radioactive isotope = 96 grams

Weight after one hour is half of the starting weight. So the weight of the radioactive isotope after 1 hour = 48 grams

After 2 hours the weight is half as compared to the weight after previous hour. So weight after 2 hours = 24 grams.

This means, after every hour the weight is being halved. The half life of radioactive isotope is one hour.

Since after every hour, the weight is being halved, the weight of the isotope can be modeled by an exponential equation.

So,

Initial Weight = W₁ = 96
Change factor = 1/2 = 0.5

The general equation of the sequence will be:

\\  \\ W_{t}=96(0.5)^{t}

Here t represents the number of hours. Using various values of t we can find the weight of the radioactive isotope at that time.

We can plot the sequence using the above equation. The graph is attached below.

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3 years ago
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How can you find the unit rate and the slope
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To find slope use the formula M = y2 - y1
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5 0
4 years ago
Anna wants to take fitness classes. She compares two gyms to determine which would be the best deal for her. Fit Fast charges a
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The number of classes Anna can take so the total cost for the month will be the same is 5.

The monthly cost would be  $37.50.

<h3>When would the total cost be the same?</h3>

When the monthly cost is equal, both equations would be equal: 7.5x = 5.5x + 10

In order to determine the value of x, take the following steps:

  • Combine similar terms: 7.5x - 5.5x = 10
  • Add similar terms: 2x = 10
  • Divide both sides by 2 : 10 /2 = 5

Monthly cost when the cost is the same: 7.5 x 5 = $37.50

To learn more about cost, please check: brainly.com/question/25711114

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7 0
2 years ago
I need these answers
Brut [27]
I hve answered, what is your question?
4 0
4 years ago
PLEASE HELP ASAP I WILL GIVE BRAINLIEST AND LOTS OF POINTS <br> (I just need help for the first 7)
ValentinkaMS [17]

Answer:

Step-by-step explanation:

Good luck

4 0
3 years ago
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