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My name is Ann [436]
3 years ago
5

Please help me answer this question!

Mathematics
1 answer:
dedylja [7]3 years ago
6 0
Just multiply and simplify that is your best bet

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The radioactive element​ carbon-14 has a​ half-life of 5750 years. A scientist determined that the bones from a mastodon had los
Gnesinka [82]

The bones at the time they were​ discovered when the radioactive element​ carbon-14 has a​ half-life of total 5750 years are 10062.5-year-old.

<h3>What is half-lives?</h3>

Half lives is the time interval which is need to decay the atomic nuclei of a radioactive sample.

There is a scientist who determined that the bones from a mastodon had lost 70.3​% of their​ carbon-14.  Thus, the fraction remaining is,

f=1-(70.3/100)=1-0.703

f=1-(70.3/100)=0.297

Now the fraction remaining can be given as,

f=(1/2)ⁿ

Here, n is the half life elapsed. Put the value of fraction remaining.

0.297=(1/2)ⁿ

n=1.75

The radioactive element​ carbon-14 has a​ half-life of total 5750 years. Thus,

Years=1.75*5750

Years=10062.5

Thus, the bones at the time they were​ discovered when the radioactive element​ carbon-14 has a​ half-life of total 5750 years are 10062.5-year-old.

Learn more about the half lives here;

brainly.com/question/2320811

#SPJ1

6 0
2 years ago
10 Points to the person who can help me. (What is the domain and range of the relation shown in the table?)
Firdavs [7]
Where is the table?.............?
4 0
3 years ago
Read 2 more answers
I am a 2 digit even mumber i am less than 60 add my digits to get 12 subtract one of my digits from the other to get 4 what mumb
True [87]

I THINK THE ANSWER IS 12

6 0
3 years ago
Explain Rational, Irrational, Real and Whole Numbers, and Integers and give examples of each.
Rama09 [41]

I'm sorry for been so late.

Rational Numebers:  a rational number is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.  For example: 1,2,3,-1,-2,-3

Irrational Numbers: an irrational number is a real number that cannot be expressed as a ratio of integers.  For example: 1/3, 1/7 , 1/9

Real Numbers: a real number is a value that represents a quantity along a continuous line. For example: all rational and irrational numbers.

Whole Numbers: A member of the set of positive integers and zero. A positive integer. An integer.  For example: 142, 20, 1

8 0
3 years ago
Pleasee help meeee question 7 and 8
tankabanditka [31]

Answer & Step-by-step explanation:

7. The slope-intercept form of a linear equation is y = mx+b where m is the slope and b is the y-intercept. Looking at the two equations, we can rearrange them to be

y = -8x+1

y = 8x+2

From this, we can see that the m, or slope, of the equations are -8 and 8 respectively. Thus, we can determine that the steepness of both equations are equal though one is pointed downwards and the other upwards.

8. We already know that m is the slope so if the function is increasing, the slope is going upwards, thus m must be larger than 0.

Next, we plug in (4,0) into the function to determine b.

f(x) = mx + b

0 = m(4) + b

Since we have determined that m is larger than 0 and thus a positive number, m*4 will be a positive number. The only way for m(4) + b to equal to 0 then is for b to be a negative number, smaller than 0.

3 0
2 years ago
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