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bagirrra123 [75]
4 years ago
13

HEY!!! YES, YOU!!! WANNA HELP OUT A FELLOW SUFFERING VICTIM OF MATH? NOWS YOUR CHANCE!!! PLEASE HELP! 10 PTS!!!

Mathematics
1 answer:
rosijanka [135]4 years ago
5 0

Answer:

16 cm

Step-by-step explanation:

Suppose that x is the original width. If that original width is enlarged by a scale factor 5/2 that means that x is multiplied by 5/2 and after that multiplication we obtained new width, 40 cm.

Therefore,

x*(5/2) = 40

We multiply the equation by 2 and obtain:

x*5 = 40*2

5x = 80

Now we divide the equation by 5 and obtain:

x = 80/5

x = 16

We obtained that x, the original width was 16 cm

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Step-by-step explanation:

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4 years ago
Joseph jumped off of a cliff into the ocean in Miami while vacationing with some friends. His height as a function of time is gi
Aneli [31]

Answer:

Step-by-step explanation:

I think the missing equation in your question is: h(t) = -16 t^{2} + 16t + 480

Here is my answer:

As we know that the vertex form of a parabola, y=a(x-h)^{2} + k where(h,k) is the vertex

h(t) = -16 t^{2} + 16t + 480

= -16 (t^{2} -t) + 480  

= -16 (t-\frac{1}{2}) ^{2} + 484

So the vertex is (\frac{1}{2} , 484)

a. It take for Joseph \frac{1}{2} second to reach his maximum height

b. The highest point that Joseph reached is the vertex of the function, it is 484 ft

c. Joseph hit the water after how many seconds?

<=> h(t) = 0

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Hope it will find you well

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3 years ago
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