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Shkiper50 [21]
3 years ago
12

MATH EXPERTS ! Can anyone help me out with this ?? Thank you

Mathematics
1 answer:
Dahasolnce [82]3 years ago
6 0

Answer:

k

Step-by-step explanation:

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Order these fractions from least to greatest 2/3,7/12,3/4
solong [7]

Answer:

7/12, 2/3, 3/4

Step-by-step explanation:

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An old bone contains 80% of its original carbon-14. Use the half-life model to find the age of the bone. Find an equation equiva
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Answer:

An old bone contains 80% of its original carbon-14 in 1844.6479 years

Step-by-step explanation:

We know that

half life time of C-14 is 5730 years

so, h=5730

now, we can use formula

P(t)=P_0(\frac{1}{2})^{\frac{t}{h} }

we can plug back h

and we get

P(t)=P_0(\frac{1}{2})^{\frac{t}{5730} }

An old bone contains 80% of its original carbon-14

so,

P(t)=0.80Po

we can plug it and then we solve for t

0.80P_0=P_0(\frac{1}{2})^{\frac{t}{5730} }

0.80=(\frac{1}{2})^{\frac{t}{5730} }

\ln \left(0.8\right)=\ln \left(\left(\frac{1}{2}\right)^{\frac{t}{5730}}\right)

t=-\frac{5730\ln \left(0.8\right)}{\ln \left(2\right)}

t=1844.6479

So,

An old bone contains 80% of its original carbon-14 in 1844.6479 years


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What is the lower quartile of the following set?
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The points in each table lie on a line. Find the slope of the line.
Valentin [98]

Answer:

1

Step-by-step explanation:

Given table:

     x      -1    1   3   5

     y      -2   0   2  4

Unknown:

Slope of the line  = ?

Solution:

Each x and y pair on the table lies on the line. Therefore, we can use them to find the slope;

  Slope  = \frac{y_{2} - y_{1} }{x_{2} - x_{1} }  

 let us take;

x₁ = -1        x₂ = 3

y₁ = -2        y₂ = 2

Insert the parameters and solve;

   Slope = \frac{2 - (-2)}{3- (-1)}   = \frac{4}{4}   = 1

The slope of the line is 1

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How many prime number are there from 0 to 100
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