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DENIUS [597]
3 years ago
15

Each card costs $ 3.00. how much do 44 cards cost

Mathematics
2 answers:
Law Incorporation [45]3 years ago
8 0

Answer:

3*44=132

------------

This is a sidenote. Sometimes, I give you the expression to find the answer, you just have to calculate it.

Hoochie [10]3 years ago
7 0

Answer:

132 dollars

Step-by-step explanation:

3.00 x 44 = 132

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Add them = 177.6

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–4x – 7 = y x2 – 2x – 6 = y Which statement is true? There are no real number solutions. There is one unique real number solutio
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Answer:

<h3>There is one unique real number solution at (–1, –3)</h3>

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7 0
3 years ago
The ceiling of Katie’s living room is a square that is 20 ft long on each side. To decorate for a party, she plans to hang crepe
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8 0
3 years ago
5.–/1 points SCalcET8 3.8.011. Ask Your Teacher My Notes Question Part Points Submissions Used Scientist can determine the age o
Vilka [71]

Answer:

  • 13,200 years

Explanation:

These steps explain how you estimate the age of the parchment:

1) Carbon - 14 half-life: τ = 5730 years

2) Number of half-lives elapsed: n

3) Age of the parchment = τ×n = 5730×n years = 5730n

4) Exponential decay:

The ratio of the final amount of the radioactive isotope C-14 to the initial amount of the same is one half (1/2) raised to the number of half-lives elapsed (n):

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5) The parchment fragment  had about 74% as much C-14 radioactivity as does plant material on Earth today:

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  • ⇒ ln (0.74) = n ln (1/2)        [apply natural logarithm to both sides]

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  • ⇒ n ≈ - 0.693 / ( - 0.301) = 2.30

Hence, 2.30 half-lives have elapsed and the age of the parchment is:

  • τ×n = 5730n = 5730 (2.30) = 13,179 years

  • Round to the nearest hundred years: 13,200 years
7 0
3 years ago
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