FIsh tank has a length of 40 centimeters and a width of 30.5 centimeters. The water height in the fish tank is 28 centimeters. A fish swims from the bottom corner of the tank up along a diagonal path towards the surface of the water until it reaches the opposite face of the tank as shown. Find the distance that the fish swam. Round your answer to the nearest tenth. Topic: The Pythagorean theorem

Anwser step by

if the eqn of the parabola is f(x) = (x-4)(x+2), we need to mult. this out to find the coordinates of the vertex.

then f(x) = x^2 + 2x - 4x - 8, and f(x) = x^2 - 2x - 8.

one way in which you can find the vertex is to calculate x = -b / (2a).   here, that comes to

        )

x = = 1.   f(1) = 1^2 - 2(1) - 8 = - 9.   vertex is at (1, -9).

        2(1) 

find another point on the curve:   let x=0, for which y=-8.   then (0, -8) is on the curve.   plot the vertex and this point and draw a smooth parabola thru both.

hope this

283 square feet

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good luck

hard

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true

step-by-step explanation:

intersecting chords are just lines that intersect. so a line is equal to 180 degrees, so when it is intersected by another chord, then it create supplementary angles, and because the lines cross, vertical angels are also formed.