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2 years ago

Please help me only do 5-7

Mathematics

1 answer:

Monica [59]2 years ago

8 0

Answer:

5. n = 135

6. n = 3

7. 214

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2 years ago

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2 years ago

Need hello fast I don’t know what to do

Free_Kalibri [48]

35 + 14
The greatest common factor for both is 7. Factor out 7

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3 years ago

If f(x)= x^0+x^2/3+x^-2/3. Find f(8(

Serjik [45]

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3 years ago

The projected T. rex is about

dolphi86 [110]

Answer: $scale\ factor=230$

Step-by-step explanation:

You need to analize all the information given in the exercise.

You know that the actual height of the T-rex on the projector lens is the following:

$actual\ height=2\ cm$

The height of the projected T-rex is:

$projected\ height=4.6\ m$

Make the conversion from meters to centimeters:

$projected\ heigth=(4.6\ m)(\frac{100\ cm}{1\ m})\\\\projected\ heigth= 460\ cm$

Therefore, the scale factor will be:

$scale\ factor=\frac{projected\ heigth}{actual\ heigth}$

Finally, you must substitute values into the equation and then you must evaluate in order to find the scale factor of the projection. You get that this is:

$scale\ factor=\frac{460\ cm}{2\ cm}\\\\scale\ factor=230$

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3 years ago