1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lbvjy [14]
3 years ago
12

The amount of​ carbon-14 present in animal bones t years after the​ animal's death is given by ​P(t)= -0.00012097t. How old is a

n ivory tusk that has lost 34​% of its​ carbon-14?
Mathematics
1 answer:
Tamiku [17]3 years ago
5 0

I believe the equation you gave is wrong because the standard form of equation for C-14 decay is in the form of:

A = Ao e^-kt

So I think the right form of equation is (correct me if I’m wrong):

 P(t) = Po e^(-0.00012097t)

Where,

Po = initial value of C-14 at t = 0

t = time elapsed

Since it is given that:

P = (1 – 0.34) Po

P = 0.66 Po

Therefore, t is:

0.66 Po = Po e^(-0.00012097 t)

0.66 = e^(-0.00012097 t)

taking ln of both side:

ln 0. 66 = -0.00012097 t

t = - ln 0. 66 / 0.00012097

t = 3,434.86 years

 

<span>Therefore the ivory tusk is about 3,435 years old.</span>

You might be interested in
Solve for I when 3/5 +I-1/15
Ugo [173]

Answer:

23 over 15 or 1.533

Step-by-step explanation:

Group like terms:

1+(3/5+-1/15)

Find LCD:

1+9/15+-1/15

Combine numerators:

15/15+8/15

And you get 23/15

Simplified:1 8/15

Decimal: 1.533

4 0
2 years ago
The recangle is 23 ft long and 14ft wide if the Gardner wants to build a fence around the garden, how many feet of fence is requ
MAVERICK [17]
The answer is 106.83 i hope it helps 
3 0
3 years ago
Which of the following is another way to show the ratio 13 to 27?
Alisiya [41]
Another ratio of 13:27 is to write it as a fraction. This is to mean;
\frac{13}{27}
7 0
3 years ago
A walking path across a park is represented by the equation y=-3x - 3.A
kifflom [539]

Answer:

  y -6 = 1/3(x +3)   or   y = 1/3x +7

Step-by-step explanation:

The slope of the line describing the given path is the x-coefficient, -3. The slope of the perpendicular line will be the negative reciprocal of that:

  m = -1/(-3) = 1/3

The point-slope form of the equation for a line can be used to write the equation for the new path:

  y -k = m(x -h) . . . . . line with slope m through point (h, k)

For m=1/3 and (h, k) = (-3, 6), the new path can be represented by ...

  y -6 = 1/3(x +3) . . . . point-slope form

  y = (1/3)x +7 . . . . . . slope-intercept form

5 0
3 years ago
How can you divide the pitchers into equal groups? Is there more than one way? Use your results to describe the entire collectio
mina [271]
Mind sharing the information needed to answer the question? Thanks!
6 0
3 years ago
Other questions:
  • Name a point that is not coplanar with points A, B, and C.
    11·1 answer
  • What’s the answer to g of g and h of h????????
    14·1 answer
  • What is the simplest form of 6/27?
    8·1 answer
  • (9.2×10^5)(4×10^-3)​
    9·1 answer
  • HELPPPPOMOGMGOGMGOGKM PLS ANSWER THIS CORRECTLY PLZZZ THIS IS FOR A VERY IMPORTANT TEST YOUWILL GET BRAINLIEST HELP
    13·2 answers
  • Rewrite 15+(72+19)using the Associative Law of Addition.
    8·1 answer
  • Find the weight of a 25kg table.
    9·2 answers
  • Yeah please help
    13·2 answers
  • I need help please!!
    15·2 answers
  • Please help me asap!!
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!