Proving Pythagorean Theorem
1 answer:
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Step-by-step explanation:
A left Riemann sum approximates a definite integral as:
Given ∫₂⁸ cos(x²) dx:
a = 2, b = 8, and f(x) = cos(x²)
Therefore, Δx = 6/n and x = 2 + (6/n) (k − 1).
Plugging into the sum:
∑₁ⁿ cos((2 + (6/n) (k − 1))²) (6/n)
Therefore, the answer is C. Notice that answer D would be a right Riemann sum rather than a left (uses k instead of k−1).
Answer:
The answer to your question is x = 23.36
Step-by-step explanation:
Solve for x
1250 = 500(1.04)
Apply logarithms
log 2.5 = x log 1.04
x = 0.398 / 0.017
x = 23.36