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
Archy [21]
3 years ago
8

Sean is conducting an experiment with an isotope of a particular element that has a half life of 4 hours. He begins with a sampl

e of the isotope with a mass of 92 grams. He then measures the mass of the object every hour. What is the approximate mass of the sample after 20 hours. Choices are: A: 2.875 B:2,944 C:1.4375 D:0.0313
Mathematics
1 answer:
Alex Ar [27]3 years ago
5 0

Answer:

/??

Step-by-step explanation:

You might be interested in
A local pizzeria sold 65 pizzas yesterday. Suppose the actual number of pizzas sold today was 60. Describe
Rudik [331]
We need to find the difference first. 65 - 60 = 5. Now we must find what percent 5 is of 65. It is 7,7%. The number decreased, and so it is a 7,7% decrease.
7 0
3 years ago
Plz hurry
Bezzdna [24]
N=-13/4 because you subtract 3/4 from -5/2
7 0
3 years ago
Read 2 more answers
A cone is sliced such that the cross section is perpendicular to its base and the cross section intersects its vertex.
Bas_tet [7]
The scenario described above is like dividing a right cone from the vertex down to the center for the base. The polygon that can be formed from the division or in this case slicing is a triangle. Thus, the answer to this item is letter B. 
3 0
3 years ago
Read 2 more answers
Select all the statements that are true for the graph shown
SVEN [57.7K]

Answer:

there is nothing to prove

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
5x^{4}-7x^{3}-5x^{2}+5x+1-0
den301095 [7]

Answer:

5x^4 -7x^3-5x^2+5x+1

Step-by-step explanation:

Hey!

You would just add all the numbers up, and by making sure that you combine all like terms. In this case it is just 1-0 = 1 and so the solution would be the same as your question but with a 1 and you would get rid of the -0.

Hope this helps!

7 0
3 years ago
Other questions:
  • When a figure is reflected, what will be different between the pre image and the image
    9·1 answer
  • The supplement of an angle is 126ْ more than twice its complement. The measure of the angle is:
    5·2 answers
  • B is the midpoint of AC. If AB =x +5 and BC = 2x -11, find the measure of AB
    5·1 answer
  • A company sell men basketball with a circumference of 29.5 in they also sell youth basketball with a circumference 27.75 in the
    10·1 answer
  • PLEASE HELP!!! DESPERATE!!!<br> MATHS!!!<br> WILL AWARD BRAINLIEST!!!
    13·1 answer
  • One student says -5 is bigger than -4 and uses money as the analogy: “If I owe $5, I have a bigger debt than if I owe $4.” What
    7·2 answers
  • Aluminium has a density of 2900 kg/mº. A construction company
    11·1 answer
  • Pancakewoman33<br><br>lets continue talking here​
    10·2 answers
  • Starfish have about 15,000 tiny feet that help them move around the ocean floor. The table shows the distance traveled by a star
    12·2 answers
  • PLEASE HELP ME FAST!
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!