answer.
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
SashulF [63]
2 years ago
4

He half-life of gold-194 is approximately 1.6 1.6 days. Step 1 of 3 : Determine a so that A(t)=A0at A ( t ) = A 0 a t describes

the amount of gold-194 left after t days, where A0 A 0 is the amount at time t=0 t = 0 . Round to six decimal places.
Mathematics
1 answer:
slavikrds [6]2 years ago
6 0

Answer: A(t) = Ao × e^-kt

Step-by-step explanation:

A(t) = Ao × e^-kt

Where

A(t) = Amount of gold left after time 't'

t = Amount of time passed

Ao = Initial amount of gold at t=0

k = constant.

No value given

You might be interested in
The price that a company charged for a basketball hoop is given by the equation 50 - 5x^2 where x is the number of hoops that ar
DiKsa [7]

Answer: The correct option is first, the number of basketball hoops did the company previously produce to make the same profit is 1.3 million hoops.

Explanation:

Let the number of basketball hoops did the company previously produce to make the same profit be x.

Total Revenue = Price * Quantity

The total revenue in million dollars is,

\text{Total Revenue}=(50-5x^2)x

\text{Total Revenue}=50x-5x^3

The total cost in million dollars is,

Total Cost = One unit cost * Quantity

\text{Total Cost}=30x

Profit = Total Revenue - Total Cost

\text{Profit}=50x-5x^3-30x

The profit is 15 million.

15=20x-5x^3

5x^3-20x+15=0\\x^2-4x+3=0\\(x-1)(x^2+x-3)=0

The value of x is 1 and \frac{-1\pm \sqrt{13}}{2}.

The production is always positive therefore the value of x either 1 or 1.3. Since 1 million is not available in the options therefore the the correct optin is 1.3 million hoops.

4 0
2 years ago
Read 2 more answers
A person places $934 in an investment account earning an annual rate of 6.1%, compounded continuously. Using the formula V = P n
mixer [17]
Yes man yes we are here for dinner last night
5 0
2 years ago
Read 2 more answers
If trapezoid JKLM with vertices) (3, 4), K (6,4), L (8, 1) and M (1,1) is rotated 270 degrees counterclockwise, what are the
Stels [109]

Answer:

J' = (4,-3)

Step-by-step explanation:

Given

J = (3, 4)

K =(6,4)

L = (8, 1)

M = (1,1)

Rotation = 270CCW

Required

Determine the new coordinate of J

From rules of rotation,

When a point (x,y) is rotated 270 degrees CCW;

The new point becomes (y,-x)

Considering point J

J = (3, 4)

This means

(x,y) = (3,4)

Where x = 3 and y = 4

Using the above rotation rule of

(x,y) -> (y,-x)

The coordinates of J' becomes

J' = (4,-3)

7 0
2 years ago
Find the percent of change. Round to the nearest tenth, if necessary.
S_A_V [24]

Answer:

20.487%

Step-by-step explanation:

divide the second number by the first. then do one minus that number

4 0
2 years ago
A student claims that the expression “9 times the sum of a number and 13” is translated to the algebraic expression 9n + 13. Is
Alex73 [517]
9*13+n 
I think that is correct, try and split up the question. 
9* 
A sum of a number AND 13
So that means that 9 is multiplying by the SUM (adding) of 13 and a number (n)
8 0
2 years ago
Read 2 more answers
Other questions:
  • How many pairs of whole numbers that have a sum of 12
    8·1 answer
  • If the tip varies directly with the number of guests, which equation represents the relationship between the tip, t, and the num
    5·2 answers
  • Write three powers with whole number bases that have values greater than 120 and less than 130
    9·1 answer
  • 1.nadia selects three marbles from the jar to the right without without replacing them.what is the probability that all three ma
    9·2 answers
  • The XO Group Inc. conducted a survey of 13,000 brides and grooms married in the United States and found that the average cost of
    10·1 answer
  • Loretta deposits $350 every quarter into a savings account that earns 4.5% interest compounded quarterly. What is the balance af
    15·1 answer
  • Consider the following sample of observations on coating thickness for low-viscosity paint.
    11·1 answer
  • Find the mass and center of mass of the lamina that occupies the region D and has the given density function rho. D = {(x, y) |
    14·1 answer
  • The dot plot and box plot show different displays of the ages of runners on a track team. Which statements best describe the dot
    13·1 answer
  • The median of $20, x, 15, 30, 25$ is $0.4$ less than the mean. If $x$ is a whole number, what is the sum of all possible values
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!