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Ad libitum [116K]
3 years ago
15

PLEASE HELP ME!! I WILL GIVE YOU BRAINLIEST AND 50 POINTS!! AND DON'T JUST PUT YES, NO AND THEN NUMBERS, *USE COMPLETE SENTENCES

*!!
John Muir was an American naturalist born in Scotland on April 21, 1838. As one of the first advocates of the United States' wilderness preservation, Muir spent his career writing letters, essays and books about many of his experiences in the Sierra Nevada mountains, located in northern California. Muir's influence on the history of American wilderness continues to live on past his death (in the early twentieth century) as people of all ages visit and hike through the 221 miles of the John Muir Trail, named in Muir's honor. The trail begins in Yosemite National Park and concludes at Mount Whitney, which contains the highest peak of the continental United States.


The following table compares Mount Whitney"s height, in meters, to other monumental peaks of the world.


MOUNTAIN: LOCATION: HEIGHT (in meters):
Mount Whitney: California, United States: 4,418.38 meters
Mount Fuji: Fuji-Hakone-Izu National Park, Japan: 3,775.86 meters
Mount Everest: Great Himalayas of southern Asia: 8,849.87 meters
Mount Kilimanjaro: Tanzania, Africa: 5,894.83 meters
Mount Olympus: Mytikas, Greece: 2,919.07 meters

Use the data in the table to complete Parts A, B, and C. In your final answers, include your work for all estimates and calculations.

Part A:
Use scientific notation to estimate the following:
How many times greater is Mount Everest's highest peak than Mount Olympus's?

Part B:
Use scientific notation to calculate the following:
How many times greater is Mount Everest's highest peak than Mount Olympus's?

Part C:
Given the calculation in Part B comparing the highest peaks of Mount Everest and Mount Olympus, can you conclude that the estimate in Part A is reasonable? Answer in complete sentences.
Mathematics
1 answer:
viva [34]3 years ago
8 0

Answer:

John Muir

John Muir was an American naturalist born in Scotland on April 21, 1838. Step-by-step explanation:

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Solve 2x2 + 12x - 14 = 0 by completing the square
vovangra [49]

Answer:

<h2>x = -7 or x = 1</h2>

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\\\2x^2+12x-14=0\qquad\text{divide both sides by 2}\\\\x^2+6x-7=0\qquad\text{add 7 to both sides}\\\\x^2+2(x)(3)=7\qquad\text{add}\ 3^2=9\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=7+9\\\\(x+3)^2=16\Rightarrow x+3=\pm\sqrt{16}\\\\x+3=-4\ or\ x+3=4\qquad\text{subtract 3 from both sides}\\\\x=-7\ or\ x=1

5 0
4 years ago
mrs Singh bought 9 folders 9 notebooks. The cost of each folder is $2.50 and the cost of each notebook is $4 write two equivalen
barxatty [35]
$2.50(9)+$4(9)=58.50
and 22.50+36=58.50
6 0
4 years ago
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What is the equation of a circle with center (-7, -3) and radius 2?
amid [387]

Answer:

B = (x + 7)^2 + (y +3)^2 = 4

Step-by-step explanation:

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4 years ago
Whats the area of a square that is 9m and 9m?
siniylev [52]

Answer:

81 m².

Step-by-step explanation:

To find the area of a square, you will simply need to do the side-length squared, or A= l^{2}.

If the side-length is 9, we can do:

A = 9²

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6 0
4 years ago
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3-x=5x+21
vlada-n [284]

Answer:

<h3>\boxed{ \sf{ \bold{- 3}}}</h3>

Step-by-step explanation:

\sf{3 - x = 5x + 21}

Move 5x to left hand side and change it's sign

⇒\sf{  - x - 5x  + 3 = 21}

Move 3 to right hand side and change it's sign

⇒\sf{ - x - 5x = 21 - 3}

Collect like terms

⇒\sf{ - 6x = 21 - 3}

Subtract 3 from 21

⇒\sf{ - 6x = 18}

Divide both sides of the equation by -6

⇒\sf{ \frac{ - 6x}{ - 6}  =  \frac{18}{-6}}

Calculate

⇒\sf{x  = -3}

Hope I helped!

Best regards!!

3 0
3 years ago
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