3 years ago

I need help with this question can you help me?

Mathematics

1 answer:

ZanzabumX [31]3 years ago

5 0

Answer:

300, because yeah..........................

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Paraphin [41]

Answer: -27/7

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The observation deck of the willis tower in Chicago Illinois is 1353 feet above the ground elevators lift visitors to that level

Paul [167]

Answer: The the speed of elevators is 22.55.

Explanation:

It is given that observation deck of the willis tower in Chicago Illinois is 1353 feet above the ground elevators lift visitors to that level in 60 seconds.

The speed is the change in distance with respect to time.

$\text{Average Speed}=\frac{\text{Total Distance}}{\text{Total Time}}$

From the given information the total distance is 1353 and the total time is 60 seconds. So by the above formula we get,

$\text{Average Speed}=\frac{1353}{60}$

$\text{Average Speed}=22.55$

Therefore, the speed of elevators is 22.55.

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3 years ago

Decide whether it’s a Function or not

cupoosta [38]

1=function
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3=not function
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The radius of a bicycle wheel is 80cm. During one trip this wheel rotted 25121 times. To the nearest metre, how far did the bicy

azamat

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3 years ago

20. A rectangle has a length of x + 2 meters and a width of 2x - 5. (A.APR.1)

bija089 [108]

Answer:

2(x + 2) + 2(2x - 5) =

2x + 4 + 4x - 10 =

6x - 6

perimeter = 6x - 6

(x+2)(2x - 5) expand the brackets:

2x² - 5x + 4x - 10

area = 2x² - x - 10

area = 6x - 6 = (6 x 5) - 6 = 30 - 6 = 24

perimeter = 2x² - x - 10 = (2 x 5²) - 5 - 10 = (2 x 25) - 5 - 10 = 50 - 5 - 10 = 35

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3 years ago

I need help with this question can you help me?​

I need help with this question can you help me?