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
Komok [63]
3 years ago
6

A cup of coffee contains 140 mg of caffeine. If caffeine leaves the body at 10% per hour, how long will it

Mathematics
1 answer:
ivann1987 [24]3 years ago
6 0

Answer: 5 hours

Step-by-step explanation:

If 10% of 140 is 14. And if 14 mg of caffeine is leaving per hour then it would take 10 hours to completely leave from ones body, but for half of it to leave it would take 5.

You might be interested in
Jack's baby sister crawled three and five tenths meters today.which number represents that distance?
BaLLatris [955]
5 is the answer because it is a full number
8 0
3 years ago
Simplify 9 to the 2nd over 9 to the 7th.
Free_Kalibri [48]

9^2/9^7

when dividing powers, we subtract the exponents

9^(2-7)

9^ (-5)

a negative exponent flips from the numerator to the denominator

1/ 9^5

Choice D

6 0
3 years ago
Read 2 more answers
Find -3a2 - b3 + 3c2 - 2b3 if a = 2, b = -1, and c = 3
Studentka2010 [4]
If you would like to solve - 3 * a^2 - b^3 + 3 * c^2 - 2 * b^3, if a = 2, b = -1, c = 3, you can calculate this using the following steps:

a = 2, b = -1, c = 3
- 3 * a^2 - b^3 + 3 * c^2 - 2 * b^3 = - 3 * 2^2 - (-1)^3 + 3 * 3^2 - 2 * (-1)^3 = - 3 * 4 - (-1) + 3 * 9 - 2 * (-1) = - 12 + 1 + 27 + 2 = 18

The correct result would be 18.

6 0
3 years ago
Read 2 more answers
Use the parabola tool to graph the quadratic function f(x)=−5x^2−2.
LiRa [457]
Desmos.com and plug in the equation
3 0
3 years ago
BRAINLIEST + 45 POINTSSSS I RLLY NEED HELPPPPPPP! PLS ANSWERRRR PROPERLY AND I WILL GVE U BOTH OF THOSE THINGS BUT I NEED IT ASA
xxMikexx [17]
Graph A because a graph of non proportional relationship will not pass through the origin (0,0) hope this helps! Remember to give me a like if it did please and thank you!
6 0
3 years ago
Other questions:
  • If the diameter of a regulation size basketball is 9.4 inches, what is the surface area
    7·1 answer
  • HELP PLEASE
    7·1 answer
  • the perimeter of the rectangle below is 98 units. Find the length of CD. Write your answer without variables. cd=4x+3 cb=5x+1
    10·2 answers
  • PLEASE HELP ON MY MATH
    8·1 answer
  • Last quarter I completed an average of 5 analyses and this quarter I completed 8. What is my percent increase
    9·1 answer
  • For what interval is the value of (f – g)(x) negative? (negative infinity, negative 1) (negative infinity, 2) (0, 3) (2, infinit
    13·1 answer
  • An office remodeling job takes 5 & 1/2 days to complete. Before working
    13·1 answer
  • Can y’all please help me
    6·1 answer
  • State the properties of the Normal Probability Distribution<br> in own word.
    15·1 answer
  • Can I get some help please? ASAP <br><br>Solve for X. for both equations pleaseee​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!