What is the answer to the problem: 1.234x139.893 and 674.983x278.475
2 answers:
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Given:
An equation -2x + 2y = 8.
To find:
The graph of the equation.
Solution:
First find two points that satisfies the equation, that means the line passes through the given points.
At x = 0,
At y = 0,
So, the two points are (0, 4) and (-4, 0).
Plot these two points and join them to draw the graph of the equation as follows:
Answer:
35.4 years
Step-by-step explanation:
The annual consumption (in billions of units) is described by the exponential function ...
f(t) = 45.5·1.026^t
The accumulated consumption is described by the integral ...
We want to find t such that the value of this integral is 2625, the estimated oil reserves.
2625 = 45.5/ln(1.026)·(1.026^t -1)
2625·ln(1.026)/45.5 +1 = 1.026^t ≈ 1.480832 +1 = 1.026^t
Taking natural logs, we have ...
ln(2.480832) = t·ln(1.026)
t ≈ ln(2.480832)/ln(1.026) ≈ 35.398
After about 35.4 years, the oil reserves will run out.
