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
Fantom [35]
3 years ago
5

Question 1(Multiple Choice Worth 5 points) (07.01 MC) The amount of radioactive uranium changes with time. The table below shows

the amount of radioactive uranium f(t) left after time t: t(hours) 0 0.5 1 f(t) 100 50 25 Which exponential function best represents the relationship between f(t) and t?
Mathematics
2 answers:
morpeh [17]3 years ago
7 0

the answer would be f(t) = 100(0.25)t

sertanlavr [38]3 years ago
6 0

This represents a half life equation - since as time increases, radioactivity decreases by half. If we take our exponential function

y = a(r)^t, r = 1/2 since as t increases, y halves. The initial amount of radiation is 100, so a = 100


Thus we get f(t) = 100(1/2)^t

You might be interested in
What is the exact value of cos(-60°)?​
Afina-wow [57]

Answer: 1/2

Step-by-step explanation:

cosine=adjacent/hypotenuse

Cos (-60)=1/2

This is a special triangle

see below as the ratio of each side

Hope this helps!! :)

Please let me know if you have any question

4 0
3 years ago
Read 2 more answers
A line segment on a number line has its end points at -9 and 6 find the coordinate of the midpoint of the segment
ozzi

The answer would be negative 2.

-9+6=-3

List the numbers -3,-2,-1

The number in the middle is -2 and that is our answer.

8 0
4 years ago
The first three terms of a geometric sequence are as follows.
Katen [24]

Answer:

3 and 1

Step-by-step explanation:

the sequence is dividing each # by 2

4 0
3 years ago
I dont know plz help
Nataliya [291]
Your pictures aren’t loading so I can’t see it
7 0
3 years ago
NEED HELP!!!!!!!!! ASAP!!!!!!!
makvit [3.9K]

Answer:

¹31.5

Step-by-step explanation:

Area of trapezium= 1/2 ×h×(b1+b2)

A=1/2×3×(12+21)

A=31.5

8 0
3 years ago
Other questions:
  • What is the exact value of a square with an area of 100 square units
    15·1 answer
  • A) Compute the sum
    13·1 answer
  • <img src="https://tex.z-dn.net/?f=54x2y%20-%2012x2y2" id="TexFormula1" title="54x2y - 12x2y2" alt="54x2y - 12x2y2" align="absmid
    9·2 answers
  • A​ hot-air balloon is 160 ftabove the ground when a motorcycle​ (traveling in a straight line on a horizontal​ road) passes dire
    12·1 answer
  • What is the value of y in the formula shown when x = 4/5 ?
    10·1 answer
  • I am confused please help!!
    5·2 answers
  • Please if you answer this I'll give you BRAINLIEST​
    10·1 answer
  • PLEASE help me ASAP thank youuu!!
    6·1 answer
  • A scientist is studying wildlife. She estimates the population of bats in her state to be 326,000. She predicts the population t
    15·1 answer
  • WILL MARK BRAINLIEST
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!