iamabouttofail
11.01.2020 •
Mathematics
1. the richter scale is used to measure the magnitude of an earthquake. the magnitude, r, is given by the equation: r=0.65log(0.39)e +1.45, where e is the energy (measured in kilowatt-hours) released by the earthquake. determine the amount of energy released by an earthquake of magnitude 7.5.
2. use synthetic division to find the quotient and the remainder.
(12x^4+5x^3+3x^2-5) ÷ (x+1)
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Ответ:
Step-by-step explanation:
The magnitude, R of an earthquake is given by the equation: R=0.65log(0.39E) +1.45
Where
where E is the energy (measured in kilowatt-hours) released by the earthquake.
1) The amount of energy released by an earthquake of magnitude 7.5 would be
7.5 = 0.65log(0.39E) + 1.45
(7.5 - 1.45)/0.65 = log(0.39E)
9.3077 = log(0.39E)
0.39E = 10^9.3077
E = 10^9.3077/0.39 = 5207573316 kilowatt-hours
b) the attached diagram shows the steps used to find the quotient and the remainder using synthetic division.
Ответ:
sept 30
Step-by-step explanation: