3 years ago

A crane lifts a 1800 kg load of scrap metals to a distance of 15 m in 20s. How much power is used in delivering the load?

Mathematics

1 answer:

dybincka [34]3 years ago

7 0

13,230 watt

Just use power=force x speed

Mark brainliest please

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Please help, will mark branliest and 33 points!

LuckyWell [14K]

Answer:

Area = 45 sq ft

Step-by-step explanation:

Scale conversion:

2 inches = 6 feet

5 inches = 15 feet

Area = 1/2 base times height

Area - 1/2 x 6 x 15

Area = 45 ft squared

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Step-by-step explanation:

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Trisha knit a total of 8 centimeters of scarf over 4 nights. How many nights will Trisha have to spend knitting in order to knit

Gnom [1K]

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Step-by-step explanation:

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3 years ago

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Find a polynomial that describes the area of the lawn which kevin has to mow in his front yard 6x+5,4x-9

Likurg_2 [28]

Answer:

$Area=24x^2-34x-45$

Step-by-step explanation:

Length and width of the yard are $(6x+5)$ and $(4x-9)$ .

$Area=length\times width\\\\Area=(6x+5)\times (4x-9)\\\\Area=24x^2+20x-54x-45\\\\Area=24x^2-34x-45$

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3 years ago

The perimeter of a shape will always be greater in value than the area of the shape (ignoring the units) True or False

Xelga [282]

Answer:

false

Step-by-step explanation:

the are of a shape will always be greater than the perimeter

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3 years ago