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
strojnjashka [21]
3 years ago
13

Bismuth-214 has a half-life (50%) of approximately 20 minutes. Find the amount of Bismuth-214 left

Mathematics
2 answers:
ivolga24 [154]3 years ago
8 0
La verdad no se la respuesta perdón
Greeley [361]3 years ago
3 0

Answer: 3.36

Step-by-step explanation:

f(x)=214(1-.50)^6                       6= amount of times 20 min goes into 2 hrs

f(x)=214(.50)^6

.5^6=.0157

f(x)=214(.0157)

       3.36

You might be interested in
The stack on the left is made up of 15 pennies, and the stack on the right is also made up of 15 pennies. If the volume of the s
Svetlanka [38]

Answer:

i am not good in maths sorry the answer is 6075

3 0
3 years ago
Marla did 65 sit ups each day for one week used to the distributive propertyto show an expression you can use to find the total
Oxana [17]
You could use the following 65 (7)
8 0
3 years ago
The perimeter of the kitchen is 528 inches if the width of the kitchen is 120 inches what is the length of the kitchen
butalik [34]

Answer: 144 inches.


Step-by-step explanation:

1. To solve this problem you must remember the formula for calculate the perimeter of a rectangle, which is shown below:

P=2l+2w

Where l is the lenght and w is the width.

2. You know the perimeter and the width, then you can solve for the length, as following:

P-2w=2l\\l=\frac{P-2w}{2}\\l=\frac{(528in)-(2*120in))}{2}\\l=144in



7 0
3 years ago
Drag each label to the correct location on the table. Each label can be used more than once, but not all labels will be used.
Natalka [10]

Answer:

what lable i dont see nothing

Step-by-step explanation:

7 0
3 years ago
The measure of one a cite angle of a right triangle is 6 less than twice the measure of the other acute angle find the measure o
jeka57 [31]

Answer:

32°, 58°

Step-by-step explanation:

Let one acute angle measure x.

The other acute angle measures 2x - 6.

The sum of the measures of the acute angles of a right triangle is 90.

x + 2x - 6 = 90

3x - 6 = 90

3x = 96

x = 32

2x - 6 = 2(32) - 6 = 58

Answer: 32°, 58°

8 0
2 years ago
Other questions:
  • The data represent the results for a test for a certain disease. Assume one individual from the group is randomly selected. Find
    14·1 answer
  • Solve for x<br> −4(x−7)=36
    9·2 answers
  • The LCM of 12 and 6 is 6. True or False
    7·2 answers
  • If 2x-10=4, what must x squelch to?
    14·1 answer
  • True or False:
    8·2 answers
  • Match each value with the smallest number set that it belongs to.
    7·1 answer
  • Ten subjects are being studied to test the effectiveness of itch relief for three types of medication: A, B, and C. Using a 10-p
    5·2 answers
  • Huhhh help anyone 3^-6 times (3^4 divided by 3^0)2
    10·1 answer
  • Find the sum of the angle measures in a regular polygon.
    14·2 answers
  • Find the area of this triangle
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!