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3 years ago

14

A receptionist named Robert spends 2 minutes routing each incoming phone call. In all, how many phone calls does Robert have to

route to spend a total of 46 minutes on the phone?

1 answer:

kenny6666 [7]3 years ago

6 0

Answer:

He has to route 23 calls

Step-by-step explanation:

If he spends 2 mins in each phone call, and he'll spend 46 mins routing calls. Your answer is 23 sense 46 divided by 2 is 23

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A rock with mass of 5.0 kg is carried up a small hill 10 meters high. What is the potential energy of the rock at the hilltop?

Sonja [21]

490J

Step-by-step explanation:

Given parameters:

Mass of rock = 5kg

Height of hill = 10m

Unknown:

Potential energy at the hilltop = ?

Solution:

Potential energy is the energy at rest of a body. it is given as:

P.E = mgh

m is the mass of the body

g is the acceleration due to gravity = 9.8m/s²

h is the height of the hilltop

P.E = 5 x 10 x 9.8 = 490J

Learn more:

Potential energy brainly.com/question/10770261

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3 years ago

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Alika [10]

Answer:

5

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sergiy2304 [10]

Step-by-step explanation:

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Solving for x, we get

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$y = -6(50)^2 + 600(50) - 5726$

$\;\;\;=\$9,274$

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