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Step2247 [10]
3 years ago
9

6. The equation c = 523, 430(1.193)t models United States copper production in pounds from 1987 – 1992. Which statement best int

erprets the coefficient and base of this equation?
A) The copper production in 1987 was 523, 430 pounds, and it had been increasing at a rate of 1.93% per year during that period.
B) The copper production in 1987 was 523,430 pounds, and it had been increasing at a rate of 19.3% per year during that period.
C) The copper production increased by a factor of 523,430x1.193 pounds per year during that period.
D) The copper production at the beginning of 1987 was at 1.193 pounds, and it had been increasing by a factor of 523,430 pounds per year during that period.
Mathematics
1 answer:
Licemer1 [7]3 years ago
7 0

Answer:

c

Step-by-step explanation:

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zysi [14]

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For every input 'x' value supplied, you only need to subtract three to it. For every input 'y' value, you only need to add four to it.


Example: I'll use variable 'm' to represent this function. Variable 'p' will represent the current input point.


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4 years ago
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You have 480 grams of a radioactive kind of samarium. If its half-life is 90 years,
lisov135 [29]

Answer:

120 grams will be left after 180 years.

Step-by-step explanation:

A radioactive half-life refers to the amount of time it takes for half of the original isotope to decay and its given by

                                             N(t)=N_0(\frac{1}{2})^\frac{t}{t_{1/2}}

where,

N(t) = quantity of the substance remaining

N_0 = initial quantity of the substance

t = time elapsed

t_{1/2} = half life of the substance

From the information given we know that:

  • The initial quantity is 480 g,
  • The half-life is 90 years,
  • 180 years is the time elapsed.

And we want to find how much will be left. For this we use the above formula.

N(t)=480\left(\frac{1}{2}\right)^{\frac{180}{90}}\\\\N(t)=480\left(\frac{1}{2}\right)^2\\\\N(t)=480\cdot \frac{1}{2^2}=120

120 grams will be left after 180 years.

3 0
3 years ago
The time it takes to mow the lawn at a large Park m(x) varies inversely with the number of workers assigned to the job X it take
konstantin123 [22]
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3 years ago
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Arte-miy333 [17]

Answer:

P= A + B + C

Step-by-step explanation:

P= Side + base + Side

P= 10 + 6 + 8

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3 years ago
Find m∠I. Put the answer below.<br> m∠I =
pashok25 [27]

Answer:

The answer is 68°

Step-by-step explanation:

<h3><u>Given</u>;</h3>
  • A right angled-triangle IGH.
  • where, m∠G = 90°
<h3><u>To </u><u>Find</u>;</h3>
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We know that

tan θ = Opp ÷ Adj

tan θ = 5 ÷ 2

tan θ = 2.5

tan θ = 68.2 ≈ 68

We know that tan 68 = 2.5

Thus, The m∠I is 68°

<u>-TheUnknownScientist 72</u>

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