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
Virty [35]
3 years ago
11

A sample of a radioactive isotope had an initial mass of 450 mg in the year 2005 and decays exponentially over time. A measureme

nt in the year 2012 found that the sample's mass had decayed to 310 mg. What would be the expected mass of the sample in the year 2017, to the nearest whole number?
Mathematics
1 answer:
yawa3891 [41]3 years ago
8 0

Answer: 238

Step-by-step explanation:

You might be interested in
A spinner used in a board game is divided into 12 equally sized sectors. Seven of these sectors indicate that the player should
xeze [42]

Answer:

20.8 inches squared

Step-by-step explanation:

Area of spinner:

45.1 is the area of sectors where the token doesn't move, which 5 sectors doesn't move the token (don't forget that the bonus points doesn't move token). Then

45.1/5=9.02

9.02*12=108.24

K=1/2(r^2)sin150

108.24=1/2(r^2)sin150

216.48=(r^2)1/2

432.96=r^2

r=20.8

7 0
3 years ago
What is the name for numbers that are greater than zero
grigory [225]

Those are positive numbers.

Those that are less than zero are called negative numbers.

Zero itself can be considered both, or neither.

3 0
3 years ago
11,22,22,13,24,22 find the hunderds too
earnstyle [38]

Answer:

excuse me, but how do we answer this? This question is unanswerable without it being a question!

Step-by-step explanation:

5 0
3 years ago
Heres 2 photos idk showed but does anyone know the answer?
Inessa [10]

Answer:

The answer I think would be hexagon

8 0
3 years ago
Read 2 more answers
Is one and one and a half hours more than 100 minutes or less than or equal to.
slavikrds [6]

Answer:

more than

Step-by-step explanation: less than because 60 + 90 = 150 and you said 1 hour plus 1 hour and a half so your answer is more than because 150 is more than 100

6 0
3 years ago
Other questions:
  • PLease help!!!
    12·1 answer
  • Nathan took his car in for service and repairs. He had a coupon for 10% off
    9·1 answer
  • At Pizza Pi, 16% of the pizzas made last week had extra cheese. If 4 pizzas had extra cheese, how many pizzas in all were made l
    9·1 answer
  • You are 64 inches tall and your shadow is 72 inches long. A tree casts a shadow of 144 inches. How tall is the tree? 100 in. 128
    5·2 answers
  • Only answer if you know you are correct
    6·1 answer
  • Martha wants to go to band camp this summer that costs $103.50 she has $10 and plans to save $5.50 each week. How many weeks wil
    12·1 answer
  • Please help
    8·2 answers
  • In a graph Y/x+m=c<br> gggggggggggggggggg
    13·1 answer
  • Help asap, rlly need this
    14·1 answer
  • Solve x: 60 pts if u can figure it out and the first one gets brainiest answer
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!