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Amiraneli [1.4K]
2 years ago
13

Helium decays to form lithium. 6 2 he → 6 3 li 0 -1 e this type of nuclear decay is called .

Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
8 0

To understand this question, we need some knowledge on radioactive decay. This type of nuclear decay is called a beta decay

<h3>Beta Decay</h3>

This is the process where a radioactive material is fired or naturally emits a beta particle which is equivalent to the lose of an electron and spontaneously becomes an entirely different element.

^6_2He \to ^6_3 Li + ^0_-_1e

The participating actors in this nuclear reaction are

  • helium
  • lithium
  • electron

This is the decay process of helium particle in which it became a lithium particle and emitted an electron in the process.

Learn more on beta decay here;

brainly.com/question/9615302

#SPJ4

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Sophia and Olivia shared 60p so that Olivia had 10p more than Sophia. How much did Sophia have?
Taya2010 [7]

Answer:

25

Step-by-step explanation:

If Olivia had 10 more p than Sophia, then Olivia has 35, and Sophia has 25.

35 + 25 = 60!

3 0
2 years ago
a crate of strawberries costs $4 each or three crates cost $10. what is the minimum cost for $20 crates.
timofeeve [1]
The minimum cost for 20 crates would be 68 dollars. You would buy 18 crates using the 3 for 10 dollars ( this would cost 60 dollars), and then 2 crates using the one crate for 4 dollars (this would cost 8 dollars) all together you would have 20 crates, costing you 68 dollars.
4 0
3 years ago
What is the solution to 39/45 - 2/3
julia-pushkina [17]

Answer:

0.2

Step-by-step explanation:

just subtract

4 0
2 years ago
The following function represents the profit P(n), in dollars, that a concert promoter makes by selling tickets for n dollars ea
Gre4nikov [31]
A) zeroes

P(n) = -250 n^2 + 2500n - 5250

Extract common factor:

P(n)= -250 (n^2 - 10n + 21)

Factor (find two numbers that sum -10 and its product is 21)

P(n) = -250(n - 3)(n - 7)

Zeroes ==> n - 3 = 0  or n -7 = 0
Then n = 3 and n = 7 are the zeros.

They rerpesent that if the promoter sells tickets at 3  or 7 dollars the profit is zero.

B) Maximum profit

Completion of squares

n^2 - 10n + 21 = n^2 - 10n + 25 - 4 = (n^2 - 10n+ 25) - 4 = (n - 5)^2 - 4

P(n) = - 250[(n-5)^2 -4] = -250(n-5)^2 + 1000

Maximum ==> - 250 (n - 5)^2 = 0 ==> n = 5 and P(5) = 1000

Maximum profit =1000 at n = 5

C) Axis of symmetry

Vertex = (h,k) when the equation is in the form A(n-h)^2 + k

Comparing A(n-h)^2 + k with - 250(n - 5)^2 + 1000

Vertex = (5, 1000) and the symmetry axis is n = 5.



8 0
3 years ago
An element with a mass of 890 grams decays by 19.7% per minute. To the nearest tenth of a minute, how long will it be until ther
Schach [20]

Answer:

3 minutes

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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