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andreev551 [17]
2 years ago
7

Please help will give 50points

Mathematics
1 answer:
Lady bird [3.3K]2 years ago
3 0

Answer:

its 10...

Step-by-step explanation:

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A) The formula for surface area of a sphere is A = 4*PI*r^2

using 3.14 for PI:

Surface area for Earth = 4 * 3.14 x 3960^2 = 196,960,896 miles^2

Surface area of the moon: 4 * 3.14 * 1080^2 = 14,649,984 miles^2

B)Divide the Surface of the Earth by the moon:

196,960,896 / 14,649,984 = 13.44

The Earths surface is 13.4 times larger than the moon.

C) Multiply the surface of the Earth by 70%:

196,960,896 * 0.70 = 137,872,627.2 million square miles of water.

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3 years ago
If (x-1)/(x)=20 then x=
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An industry representative claim that 60% of all satellite owners subscribers
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Answer:

im sorry im doing this lol but can you pls give me brainliest first then i will answer

Step-by-step explanation:

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You will have $1628.16 per month in discretionary money.

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In order to find the amount of money you have left for discretionary purposes at the end of the money, you need to calculate the total amount of your monthly pay is going towards expenses and savings.  Since there are 12 months in a year, your monthly income is $3072.  Of that amount, you spend 32% on housing and 15% on savings, for a total of 47%.  The remaining percentage of your income would be considered discretionary, which would account for 53%.  To find the amount of money, you take your monthly income and multiply it by 53%, or .53, which gives you $1628.16.  

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3 years ago
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