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3 years ago

PLEASE HELP and explain how you got the answer!!

Mathematics

1 answer:

maxonik [38]3 years ago

7 0

9514 1404 393

Answer:

256,096 ft²

Step-by-step explanation:

<u>Pyramid Area</u>

Each of the four faces is a triangle with a base of 756 feet and a height of 612 feet. The area of that triangle is ...

A = 1/2bh

A = 1/2(756 ft)(612 ft) = 231,336 ft²

The total area of the four visible faces of the Great Pyramid is ...

pyramid area = 4 × 231,336 ft² = 925,344 ft²

Each of the four rectangular side faces of the WTC tower has a base length of 208 ft and a height of 1368 ft. The area of it is ...

A = LW = (208 ft)(1368 ft) = 284,544 ft²

The area of the square top of the tower has an area that is ...

A = s² = (208 ft)² = 43,264 ft²

The total area of the four visible sides and the top is ...

WTC tower area = 4 × 284,544 ft² +43,264 ft² = 1,181,440 ft²

The difference between the areas is ...

WTC tower area - Great Pyramid area =

1,181,440 ft² -925,344 ft² = 256,096 ft²

The difference in visible area is 256,096 ft².

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Step-by-step explanation:

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The one with arrows are the answers

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Step-by-step explanation:

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Identify az of this sequence: 0.25, 0.5, 0.75, 1, 1.25. 1.5

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<h3><u>Question:</u></h3>

Identify a3 of this sequence: 0.25, 0.5, 0.75, 1, 1.25, 1.5,...a3=

<h3><u>Answer:</u></h3>

The third term of sequence is 0.75

$a_3 = 0.75$

<h3><u>Solution:</u></h3>

Given that, sequence is:

0.25, 0.5, 0.75, 1, 1.25. 1.5

Let us find the difference between terms

$0.5 - 0.25 = 0.25\\\\0.75-0.5 = 0.25\\\\1.25-1=0.25\\\\1.5-1.25=0.25$

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Because the difference between any term and its immediately preceding term is always 0.25

In a arithmetic sequence,

$a_1 = \text{ first term of sequnece }\\\\a_2 = \text{second term of sequnce }\\\\a_3 = \text{third term of sequnece }\\\\a_n = \text{ nth term of sequnce }$

Thus, in the sequence 0.25, 0.5, 0.75, 1, 1.25. 1.5

$a_3 = \text{ third term } = 0.75$

Thus the third term of sequence is 0.75

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*PLEASE HELP and explain how you got the answer!!*

PLEASE HELP and explain how you got the answer!!