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
andriy [413]
3 years ago
5

A radioactive substance decays exponentially. A scientist begins with 150 milligrams of a radioactive substance. After 20 hours,

75 mg of the substance remains. How many milligrams will remain after 27 hours?
Mathematics
1 answer:
adell [148]3 years ago
6 0

Answer:

Step-by-step explanation:

You might be interested in
A conjecture and the two-column proof used to prove the conjecture are shown.
slavikrds [6]

given: s is the midpoint of rt

definition of midpoint: rs st

given: st xy

transitive property of congruence: rs xy

8 0
3 years ago
A greengrocer sells a melon at a profit of 37.5% on the price he pays for it. what is the ratio the cost price to the selling pr
strojnjashka [21]
\frac{100}{137.5} =  \frac{1}{1.375}  I simply divided by 100 and moved the decimal two places to the left.
4 0
3 years ago
PLEASE HELP ME ON THIS
cricket20 [7]
The answer is 96. just multiply 6 *2 =12*2=24*2=48*2=96
5 0
3 years ago
Read 2 more answers
a bag contains only red and blue counters. there are 6 more red than blue a counter is chosen at random. the probability is 1/4.
xxMikexx [17]

Answer:

Avoid guessing or choosing an answer you are unsure of. Remember, you’ll only get the extra points if you give the correct answer.

Step-by-step explanation:

4 0
3 years ago
demarco wrote two correct variable expressions to represent the phrase “the product of a number and 7”. which variable expressio
Norma-Jean [14]
The question is asking to choose among the following choices that states the expressions that could be represented in the said phrase and in my further understanding, I would say that the answer would be n.7, I hope you are satisfied with my answer and feel free to ask for more 
3 0
3 years ago
Read 2 more answers
Other questions:
  • Solve the equations.<br> a. (x − 2)^2 = 9<br> b. 3(x − 2)^2 = 9<br> c. 6 = 24(x + 1)^2
    6·1 answer
  • Help with these questions please!
    8·2 answers
  • If MNO = PQR, which of the following can you conclude as being true?
    11·2 answers
  • Alan, Bill, and Calvin are playing a game with collectible cards. At the moment, Alan has 11 less than times the number of cards
    11·1 answer
  • . Match each angle of rotation to the point that A′ (the image of A) coincides with after that rotation.
    9·1 answer
  • A system of equations is shown.<br> y = 3x - 2<br> y=x2
    6·1 answer
  • Nour drove from the Dead Sea up to Amman and her altitude was 409 meters below sea level. When she arrived in Amman 2 hours late
    11·1 answer
  • Y=x-2 help my brain isn't working um I have to make this 20 character long, pls help​
    6·1 answer
  • Leah flips a coin, and then she spins a spinner with 3 equal sections colored red, green, and blue. What is the probability that
    10·1 answer
  • A baker is making cupcakes. She starts with 60 eggs. She makes 12 cupcakes. She has 24 eggs left over. Which equation can be use
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!