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
oksian1 [2.3K]
2 years ago
10

The half-life of Radium-224 is

Mathematics
1 answer:
Sholpan [36]2 years ago
8 0

Answer:

10.98 days is 10.98/3.66 = 3 half life periods and half of the mass is lost at each half life. You can do this in your head. I have!!

Step-by-step explanation:

You might be interested in
What is 0.92 / 7 as a speed
BigorU [14]

Answer:

The answer is 0.13.

Step-by-step explanation:

The formula for speed is distance divided by time. 0.92 / 7 = 0.13.

5 0
3 years ago
Help Please!!<br> What is the value of a?<br><br> Enter your answer in the box.<br><br> a =
Talja [164]

Answer:

a=15

Step-by-step explanation:

By pythagoras' theorem

25²=20²+a²

625=400+a² group like terms

a²=625-400

a²=225

\sqrt{a {}^{2} }  =  \sqrt{225}

therefore a=15

6 0
2 years ago
Which of the following points is a solution to the system of linear inequalities?
IrinaK [193]

Answer:

C. (5, 3)

Step-by-step explanation:

this point is within the answer area... look below at the graph of both linear inequalities

7 0
3 years ago
Read 2 more answers
A college has an acceptance rate of about 21% if 8700 students apply about how many will be accepted
kozerog [31]

Answer:

1827

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
15mm 12mm a= what is the length
Mrrafil [7]

Answer: The area is 180 square millimeters.

The length is 15 mm and the width is 12 mm. The length if the perimeter-- if you were going to ask that is

(2)(15) + 2(12)

54mm.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • Diego's club earns money for charity when members of the club perform community service after school,
    11·1 answer
  • Simplify.<br><br> 22÷(9+2) Need help
    7·2 answers
  • It took a skydiver 15 seconds to drop 450 feet. What is the
    6·2 answers
  • A square pyramid has sides of 8 m. Each face is an equilateral triangle. What is the lateral area of the pyramid?
    13·1 answer
  • PLEASE HELP ONLY CORRECT PLEASE TY!!
    9·1 answer
  • H(x) = 3x - 4<br> What is h(6)?<br> ETĀ. 14<br> e c. 22<br> SUBMIT
    15·2 answers
  • What is the y-intercept of the quadratic function: f(x)=(4x-3) (2x-1)
    15·1 answer
  • PLEASE HELPPPPPP!!!!
    6·1 answer
  • Which ratios are equal to 64 when the scale factor is 8? Select all that apply.
    8·1 answer
  • Please help me if you can thank you.
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!