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2 years ago

PLEASE HELP ME PLEASE!

Mathematics

1 answer:

rewona [7]2 years ago

7 0

Answer:

Sample

Population

Step-by-step explanation:

Explain regent? its a term I've never heard of

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The Sahara Desert has an area of approximately 9,400,400 km2. While estimates of its average depth vary, they center around 150

horrorfan [7]

It would take 65433661 years to re-create the Sahara Desert

<h3>How many years would it take to re-create the Sahara Desert?</h3>

The given parameters are:

Surface area = 9,400,400 km^2

Depth = 150 m

This means that the volume is

Volume = Surface area * Depth

So, we have

Volume = 9,400,400 km^2 * 150 m

Express as meter square

Volume = 9,400,400 * 1000000 m^2 * 150 m

Evaluate the product

Volume = 9,400,400 * 150,000,000 m^3

A small dump holds 20.5 m^3 for 30 seconds.

So, the duration is:

Time = (9,400,400 * 150,000,000 m^3)/(20.5 m^3 per 30 seconds)

Evaluate the product and quotient

Time = 2.0635024e+15 seconds

1 second = 3.171e-8 year.

So, we have:

Time = 2.0635024e+15 * 3.171e-8 year

Evaluate the product

Time = 65433661.104 years

Approximate

Time = 65433661 years

Hence, it would take 65433661 years to re-create the Sahara Desert

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1 year ago

Which equation is the BEST fit for the data in the table?

mr Goodwill [35]

I think is A but not to sure

7 0

2 years ago

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Algebra applications: find the value of x and y

Inga [223]

Answer : The value of x and y is 8 and 10 respectively.

Step-by-step explanation :

As we known that if two parallel lines are cut by a transversal line then consecutive interior angles are supplementary.

From the given figure we conclude that:

$5x-y+150=180$ ...........(1)

$5x-y=180-150$

$5x-y=30$ ............(2)

$5x+y+130=180$ ...........(3)

$5x+y=180-130$

$5x+y=50$ ...........(4)

Now we adding equation 2 and 4, we get the value of x.

$5x-y+5x+y=30+50$

$10x=80$

$x=8$

Now we are putting the value of x in 4, we get the value of y.

$5x+y=50$

$5(8)+y=50$

$y=50-40$

$y=10$

Therefore, the value of x and y is 8 and 10 respectively.

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3 years ago

How do i work out 6x+6=0

VMariaS [17]

Answer: X= -1

Step-by-step explanation: In this equation you want to solve for "x"

You subtract 6-6=0 leaving "x" by itself. So the equation will look like this: 6x= -6

After this you want to divide by 6 to one side and to the other equaling "x" as -1

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3 years ago

Need help plzz!!!!!!!

alexira [117]

Answer: D. Student 3

Because:

13 out of 20 = 65%

7 out of 10 = 70%

1 out of 4 = 25%

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3 years ago

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