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
romanna [79]
3 years ago
11

Carbon-11 has a half-life of about 20 minutes. If we start with 200 grams, how much will be left after 3 hours?

Mathematics
1 answer:
nata0808 [166]3 years ago
4 0

Answer:

0.39

Step-by-step explanation:

Hope it is helpful....

You might be interested in
Find the first four terms of the sequence given by the following an=57-4(n-1),n=1,2,3
Crazy boy [7]

Answer:

57, 53, 49, 45

Step-by-step explanation:

Substitute for the n for n=1,2,3,4 so the first term is 57-4(1-1) so =57-4(0) so

a(1) = 57-0 = 57  so that is the 1st term

2nd term 57-4(2-1) so =57-4(1) so   a(2) = 57-4 = 53, etc.

4 0
2 years ago
Please help I will give brainlist​
Mariulka [41]

Answer:

Your answer will be B

Step-by-step explanation:

Because you find the difference between 14 and 22 or the difference between 22 and 30 or the difference between 30 and 38. and so on then it will be 8

You then say ok 8 times x so for example 8×1 = 8 then you say ok 22 - 8= 22. So it will be 8x+14...

I hope this helped if not tell me please....❤

4 0
3 years ago
Read 2 more answers
Martha works at a small jewelry store. She designed 2 rings in the furst hour. Every additional hour, she designs 3 new rings.
andrey2020 [161]
So should be it is 53
4 0
2 years ago
Read 2 more answers
What value of r gives the line passing through (3,2) and (r,-4) A SLOPE OF 3/2
IrinaVladis [17]

Answer:

(-6,-4)

Step-by-step explanation:

to get to -4 from 2 you have to subtract 6, making the slope x/6 but you said the slope is 3/2. divide 6 by 2 and you get 3. 3x3=9 making the slope 9/6. simplify and you get 3/2

4 0
3 years ago
A ratio compares two values using which operation? addition subtraction multiplication division
Paraphin [41]
A ratio is a fraction which is technically a division problem.

6 0
3 years ago
Read 2 more answers
Other questions:
  • Recall the chapter example which described the fact that the mean IQ in large, diverse populations is 100 and the standard devia
    9·1 answer
  • Find the GCF of 52 and 84.​
    11·1 answer
  • The value of 7 in 700 hundred
    7·1 answer
  • Chris plotted 3 points on the graph of the equation y=2x. Which coordinates name the points on Chris’s graph?
    5·1 answer
  • Given x || y.
    5·1 answer
  • PLEASE HELP NO SCAM <br><br> ¼ (x+12) = 2
    14·2 answers
  • Which of the following is the solution to the inequality -2x-4 ≤ 11
    8·2 answers
  • A middle school took all of its 6th grade students on a field trip to see a symphony at
    15·1 answer
  • Two more than 16 times a number is the same as 21 less than the product of -7 and the number
    15·2 answers
  • the market price of a share of some company was rs 415. the share was split to that its face value change from rs100 to rs5. if
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!