Mathematics : asked on queenpaige2015

25.05.2022

- 3) Janel is a bungee-jumper preparing for a legally approved jump off of a bridge over water. Janel wants to just touch
the water on her jump. Janel's path of travel is represented by f(x) = 25x2 – 120x + 144. Janel will jump from the start,
z=0. How many meters will Janel travel laterally before she touches the water?

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09.07.2023, solved by verified expert

Sachin Kumar

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Chemistry, Q&A Expert, I am a Assistant Professor in Maharaj Singh College Saharanpur, Uttar Pradesh, India

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So f(x) is 0

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Mathematics

- 3) Janel is a bungee-jumper preparing for a legally approved jump off of a bridge over water. Janel wants to just touch the water on her jump. Janel s path of travel is represented by f(x) = 25x2 – 120x + 144. Janel will jump from the start, z=0. How many meters will Janel travel laterally before she touches the water?

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P Answered by Specialist

So f(x) is 0

$\\ \rm\hookrightarrow 25x^2-120x+144=0$

$\\ \rm\hookrightarrow (5x)^2-2(5x)(12)+12^2=0$

$\\ \rm\hookrightarrow (5x-12)^2=0$

$\\ \rm\hookrightarrow 5x-12=0$

$\\ \rm\hookrightarrow 5x=12$

$\\ \rm\hookrightarrow x=12/5$

$\\ \rm\hookrightarrow x=2.4m$

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For every 8 cars there are 7 trucks

Therefore,

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Answer is B)8:7

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F=ma

where F=force

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Here,

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Salesperson will make 6% of 1800

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P Answered by PhD

The wood before starting =12 feet

Left wood=6 feet

Wood used till now=12-6=6 feet

Picture frame built till now= 6/(3/4)

=8 pieces

Therefore, till now 8 pieces have been made.

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