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Dvinal [7]
3 years ago
8

Who walks at a faster rate: someone who walks 60 feet in 10 seconds or someone who takes 5 seconds to walk 25 feet?

Mathematics
1 answer:
g100num [7]3 years ago
7 0
Someone who walk 60 feet in 10 second is the one who walk faster because when you take some who walk 25 feet in 5 second is not gonna doing it , let see 5+5= 10 25 + 25 = 50 So you already see there is 10 second left Hope you understand it , let me know if my help is not a waste of time
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Which polynomial is in standard form?
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Answer:

D). 5x^7y^2+7x^6y^5-14x^3y^7+51x^2y^9

Step-by-step explanation:

For better clarity let us re write the options

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B).8x^5-5y^4-2xy^5+x^2y

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D).5x^7y^2+7x^6y^5-14x^3y^7+51x^2y^9

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3 years ago
Your engineering firm is asked to specify the maximum load for the elevators in a new building: Each elevator has mass 490 kg wh
steposvetlana [31]

Answer:

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Step-by-step explanation:

The first step is to calculate the maximum load after safety considerations (T_{max}

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Hence

T_{max} = \frac{2}{3} (19500) \\ T_{max} = 13000N

a) Now to find the maximum load in kgs, we use the following formula

(m_{0} + m)(g + a) = T_{max}

Where

m_{0} = mass of elevator

m = maximum load

g = acceleration due to gravity

a = maximum acceleration of elevator

Inputting the values and solving

m_{0} + m)(g + a) = T_{max}\\ (490 + m)(9.8 + 2.24) = 13000\\ 12.04m = 7100.4\\ m = 589.734kg

Hence the maximum load is m =589.734kg

b) To find the number of people (n) we divide the value of m by 70kg

n = 589.734 / 70

n = 8.42 or 8 people

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Answer:

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Step-by-step explanation:

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