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vlabodo [156]
3 years ago
8

The process for rationalizing a denominator in a variable expression is the same as in a numeric expression. Here’s a real-world

example. The kinetic energy of the car of a rollercoaster is given by the formula k = one-half m v squared where k is kinetic energy, m is the mass of the car, and v is the velocity of the car. Solving this formula for v, we get v = StartRoot StartFraction 2 k Over m EndFraction EndRoot Which formula gives the velocity of the car in simplest form?
Mathematics
2 answers:
Lynna [10]3 years ago
7 0

Answer:

It's B

Step-by-step explanation:

Got it right on EDGE2020

Slav-nsk [51]3 years ago
3 0

Answer:

Its B, V=square root 2km/m

Step-by-step explanation:

EDGE2020

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Answer:

g = 13

Step-by-step explanation:

Plug r = 4 into the equation

g = 25 - 12 = 13

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Veronika [31]
It’s 12

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F(x)= (x - 6)(x + 2)?<br> What is the vertex of the quadratic function
Mars2501 [29]

Answer:

With this form, we can tell that the x intercepts are x=6 and x=-2. So the x coordinate of the vertex is 2

Step-by-step explanation:

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3 years ago
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Slav-nsk [51]

Answer:

<h2>        x = −7  and  x = 33</h2>

Step-by-step explanation:

(x-13)^2=400\\\\ (x-13)^2=(\pm20)^2\\\\x-13=20\quad\vee\quad x-13=-20\\\\x=33\qquad\vee\qquad x=-7

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larisa86 [58]

Here is how to do the question,

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