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NNADVOKAT [17]
3 years ago
14

The amount of carbon 14 remaining in a sample that originally contained A grams is given by C(t) = A(0.999879)t where t is time

in years. If tests on a fossilized skull reveal that 99.89% of the carbon 14 has decayed, how old, to the nearest 1,000 years, is the skull?
Mathematics
1 answer:
Nadya [2.5K]3 years ago
8 0

the answer would be 63000 i hope this helps

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Lyrx [107]

Answer:

see explanation.

Step-by-step explanation:

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2. A different equation.

Simplify:

(4*5)+6

this is all I can think of.

hope this helps.

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A yoyo rotates 12 tomes every 3 seconds what is the yoyos unit rate for rotations per second
horsena [70]

Answer:

4

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Read 2 more answers
On the day before an election in a large city, each person in a random sample of 1,000 likely voters is asked which candidate he
Nadya [2.5K]

Answer:

The answer is B

Step-by-step explanation:

Definition of margin of error is simply expected error from result of a survey. Which means the actual vote results are in the range of plus or minus %3.

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The sample proportion minus the margin of error is greater than 0.50, which provides evidence that more than half of all likely voters plan to vote for candidate Taylor.

7 0
3 years ago
2x + y + 6z = + 1<br> 3x + 2y + 5z = 16<br> 7x + 3y - 4z = 11
r-ruslan [8.4K]

Answer:

1) x=1/2-y/2-3z

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Step-by-step explanation:

isolate the variable, to do that divide each side by the factors that don't contain the variable

4 0
3 years ago
Marco bought 5 movies for $53. 10. Vance bought 3 movies for $31. 71. Who got the better deal?
kozerog [31]

Answer: Vance.

Step-by-step explanation: Vance got the better deal. this is because Marco bought 5 movies, and paid $53.10. Vance paid $31.71, and saved $2.50, because 53.10 rounds to 50, and 31.71 rounds to 30, and Vance added $1.71, and Marco added $3.10, making Vance get the better deal.

3 0
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