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
bazaltina [42]
3 years ago
12

The mass of bacteria in a labaratory experiment increases exponentially by 22% each hour. The mass of bacteria was 8 micrograms

when the experiment began. You are interested in predicting how long it will take for the mass of bacteria to reach 100 micrograms.
Mathematics
1 answer:
den301095 [7]3 years ago
5 0

Answer:

The Answer is approximately 12.71 seconds.

Step-by-step explanation:

The form of the equation is:

f(x) = ab^x

Substitute:

f(x) = 8(1.22)^x

Solve for:

f(x) = 100

100 = 8(1.22)^x

100/8 = 1.22^x

12.5 = 1.22^x

1.22^x = 12.5

log(1.22^x) = log(12.5)

x * log(1.22) = log(12.5)

x * 0.0863 = 1.0969

x = 1.0969 / .0863 = 12.71 seconds, approximately

You might be interested in
8. What would be the area of a trapezoid whose bases are 6 m and 14 m with a height of 4 m? * ​
Korolek [52]
A=40m

A=a+b
2h=6+14
2·4=40m²
8 0
3 years ago
Determine if the expression 9y5 – 10y3 is a polynomial or not. If it is a polynomial,
Stolb23 [73]

I am going to assume that the equation was supposed to be  9y^{5}-10y^{3}

Answer:

It is a polynomial. It is a binomial and it has a degree of 5.

Step-by-step explanation:

A polynomial is an expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables so 9y^{5}-10y^{3} will be considered a polynomial.

A binomial is a polynomial with 2 terms.

The degree of a polynomial is the highest exponent in it which in this equation is 5.

8 0
3 years ago
If US $1.00 is equivalent to EC $ 2.70, how much in US would one get from EC 297.00?
Vedmedyk [2.9K]
NEEED POINTS ..





xx ‘zmsms
4 0
3 years ago
Answer to the question
netineya [11]
Well first off, you need to add 25.50+15.30+9.25 which equals 50.05 then you would subtract that from 72 so 72-50.5 which gets your answer of 21.95 centimeters
8 0
3 years ago
How many 4-digit numbers are multiples of at least one of these two numbers: 2; 5.
garri49 [273]

Answer:

I believe that there is  3087 multiples of 5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • Please help:<br><br> 3/4 of 24 cm
    15·2 answers
  • 5 students sharing 4 bags of popcorn equally
    5·2 answers
  • 243.875 to ne rest tenth, hundredth, ten and hundred
    11·1 answer
  • Ian is going to water his plants is it reasonable to say he will fill the watering can with 3 liters of water explain
    9·1 answer
  • Is(2, 5)asolutiontotheinequality 2x + 3y ≥ 20 ?
    11·2 answers
  • There are 6 days until Richard's concert. Susie's concert is 7 days after Richard's. How many days are there until Susie's conce
    6·1 answer
  • (3x^2-15d) - (-10x^2-4d)
    6·2 answers
  • PLZ HELP!!! WILL GIVE BRAINLIEST. An egg is dropped from a height of 90 ft. If acceleration due to gravity is -16 ft/s^2 and ini
    5·1 answer
  • Mr. Alvarez has a notecard that measures 6/100 by 11 /100 meters the whole note card is coverd with square stickers the side of
    5·1 answer
  • What segment is congruent to PR? <br> A. BC <br> B. AC <br> C. AB <br> D. QR
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!