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MissTica
3 years ago
13

Five times a number ,subtracted from. Four is triple the number find the number

Mathematics
1 answer:
svlad2 [7]3 years ago
4 0
That is the answer I got Hope I Helped

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The half-life of iron-52 is approximately 8.3 hours.How much of a 13 gram sample of iron-52 would remain after 8 hours? Round to
Alexandra [31]

6.665 grams of the 13 grams remain after 8 hours.

<h3>How much of a 13 gram sample of iron-52 would remain after 8 hours?</h3>

The decay equation for the 13 grams of iron-52 is:

N(t) = 13g*e^{(-ln(2)/8.3h)*t}}

Where N is the amount of iron-52, and t is the time in years.

Where we used the fact that the half-life is exactly 8.3 hours.

Now, the amount that is left is given by N(8h), so we just need to replace the variable t by by 8 hours, so we get:

N(8h) = 13g*e^{(-ln(2)/8.3h)*8h}} = 6.665g

So 6.665 grams of the 13 grams remain after 8 hours.

If you want to learn more about half-life:

brainly.com/question/11152793

#SPJ1

5 0
1 year ago
Please help with my next question in math.
Vesnalui [34]
The answer is D. 2n + 1
8 0
3 years ago
Larry borrows $1300 at 5% simple interest per month. When Larry pays the loan back 3 years later, what is the total amount that
Dafna11 [192]
I think that it’s 3640
5 0
3 years ago
Read 2 more answers
The endpoints of EF¯¯¯¯¯¯¯¯ are E(−4,12) and F(3,15). Find the coordinates of the midpoint M..
Ray Of Light [21]

Answer:

(-1/2, 27/2)

Step-by-step explanation:

Midpoint formula: (x^1 +x^2/ 2, y^1 +y^2/ 2)

(-4 +3 /2, 12+15/ 2) -> (-1/2, 27/2)

5 0
2 years ago
I’m confused please solve it.
Allushta [10]

Answer:

b = 65

Step-by-step explanation:

b is the y- intercept

if you start to graph 6x from the two points that are already given then it'll find the y-intercept which is b

here's the graph

3 0
3 years ago
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