How can graphing be applied to solving systems of nonlinear equations?

1 answer:

8 0

One example on the top of my head is moors law. It can be graphed as an exponential equation and it models a real world situation

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Part c if you accidentally spill phosphorus-32 onto your shoe, how long would it take before 99.9% of the radioactive material h

Crazy boy [7]

Answer:

$t \approx 142.514\,days$

Step-by-step explanation:

The half-life of the phosphorus-32 is 14.3 days. The time constant of the isotope is:

$\tau = \frac{14.3\,days}{\ln 2}$

$\tau = 20.631\,days$

The decay formula is:

$\frac{m}{m_{o}} = e^{-\frac{t}{\tau} }$

The time related to the decayed proportion of the radioactive isotope is:

$-\frac{t}{\tau} = \ln \left(\frac{m}{m_{o}} \right)$

$t = -\tau \cdot \ln \left(\frac{m}{m_{o}} \right)$

$t = - (20.631\,days)\cdot \ln 0.001$

$t \approx 142.514\,days$

3 0

3 years ago

Help! Please solve all.

-BARSIC- [3]

1. -35x+710 = -25x+570
-10x=-140
x=14
In 14 weeks, Pedro and Maria's accounts will have the same amount.
2. 9x+90 = 13x+50
-4x=-40
x=10
For 10 square yards of carpeting will the cost be the same for both stores.
3. 0.06x+44 = 0.09x+35
-0.09x= -9
x=100
For 100 miles both companies will charge the same price.
4. 15x+250 = 20x+200
-5x= -50
x= 10
It will take 10 weeks for the amount in each savings account to be the same.
5. 25x+250 = 50x
-25x = -250
x = 10
10 stereos must be sold to make the same amount of money under both plans.

Hope this helps!

5 0

2 years ago

To the nearest millimeter, a cell phone is 111 mm long and 60 mm wide. What is the ratio of the width to the length?

lys-0071 [83]

60/111=20/37

thats kind of a small phone lol

6 0

3 years ago

Simon walks a total of 45.55 miles in March and 35.7 miles in April.

stich3 [128]

Answer:

81.25