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horrorfan [7]
3 years ago
10

A soccer ball is kicked vertically from the ground with an initial velocity of 96 ft/sec.

Mathematics
1 answer:
dmitriy555 [2]3 years ago
4 0

Answer:

h(t) = - 16t² + 96t

Step-by-step explanation:

A soccer ball is kicked vertically from the ground with an initial velocity of 96 ft/sec.

So, it initial height, h_0 = 0 ft. and initial velocity v_0 = 96 feet/sec.

Now, the quadratic function, h(t), that shows the height, in feet, of the soccer ball, t seconds after it was kicked will be given by the general equation

h(t) = - 16t^{2} + v_0t + h_0

⇒ h(t) = - 16t² + 96t + 0

⇒ h(t) = - 16t² + 96t (Answer)

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Now, Jackson's speed is 1350 meters per hour. This can be converted to cm per minute as follows:

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Likewise, Jonah's swim speed in cm/min can be calculated as:

\frac{1250 mm}{1 s}=\frac{1250\times 0.1 cm}{\frac{1}{60}min } =\frac{125\times 60 cm}{1 min}=7500cm/min...Equation 2

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ABCD is a rhombus. Find AB. Give answer as a fraction in simplest form.<br>​
LuckyWell [14K]

Answer:

The length of AB = 97/3 units

Step-by-step explanation:

  • The length of CD = 7x+2
  • The length of BC = 4x+15

We know that a rhombus is a quadrilateral whose four sides all have the same length.

Thus, the equation becomes

7x+2 = 4x+15

7x-4x = 15-2

3x = 13

x = 13/3

So, the length of CD = 7x+2 = 7(13/3)+2

                                               = 91/3 + 2

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And, the length of BC = 4x+15 = 4(13/3) + 15

                                                  = 97/3

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Thus, the length of AB = 97/3 units

         

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