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bagirrra123 [75]
3 years ago
6

Pacific salmon swimming up the Columbia river travel 2 feet under water. Suppose one salmon darts 2 feet up and out of the water

. How far out of the water did the salmon jump?
Mathematics
1 answer:
svp [43]3 years ago
6 0
Well if the salmon is two feet under the water, and darts two feet up, he wouldnt get out of the water would he??
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If 5-y^2=x^2 then find d^2y/dx^2 at the point (2, 1) in simplest form. ​
ratelena [41]

Answer:

y"(2, 1) = -5

Step-by-step explanation:

Step 1: Define implicit differentiation

5 - y² = x²

Step 2: Find dy/dx

  1. Take implicit differentiation: -2yy' = 2x
  2. Isolate y': y' = 2x/-2y
  3. Isolate y': y' = -x/y

Step 3: Find d²y/dx²

  1. Quotient Rule: y'' = [y(-1) - y'(-x)] / y²
  2. Substitute y': y" = [-y - (-x/y)(-x)] / y²
  3. Simplify: y" = [-y - x²/y] / y²
  4. Multiply top/bottom by y: y" = (-y² - x²) / y³
  5. Factor negative: y" = -(y² + x²) / y³

Step 4: Substitute and Evaluate

y"(2, 1) = -(1² + 2²) / 1³

y"(2, 1) = -(1 + 4) / 1

y"(2, 1) = -5/1

y"(2, 1) = -5

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3 years ago
the circumference of a circle is c centimeters the diameter of the circle is 13 centimeters what expression best represents the
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Answer:

C/13 = pi

Step-by-step explanation:

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4x2 + 5x - 10 <br> plz and thank
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Step-by-step explanation:

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Step-by-step explanation:

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