A different triangle is graphed on the coordinate plane. Two of its vertices are located at (−10,3) and (0,−20) . The third vert
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Answer:
- Initial amount of the material is 67 kg
- Hal-life is 83 hours
<u>The required equation is:</u>
- m(x) = 67 *
, where m- remaining amount of the radioactive material, x - number of hours
<u>After 5 hours the material remains:</u>
- m(5) = 67 *
= 64.260 (rounded)
To divide by a fraction, you multiply by its reciprocal, which you find by flipping the numerator and the denominator.
Multiply the numerators and the denominators separately.
Simplify by dividing both sides of the equation by .