The greater part of the earth's surface (r = 6371 km) is covered by oceans; their area is approximately 71% of the Earth's surface. What is the approximate area of the land?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Fit ball
What is the size of the surface of Gymball (FIT - ball) with a diameter of 65 cm?
- Cube surface area
The surface of the cube was originally 216 centimeters square. The surface of the cube has shrunk from 216 to 54 centimeters sq. Calculate how much percent the edge of the cube has decreased.
- Alaska vs Montana
Alaska is the largest state in the United States and has a surface area of approximately 588,000 square miles. Montana has a surface area that is approximately 25% of the surface area of Alaska. What is the approximate surface area of Montana?
How many percents is 900 greater than the number 750?
The children's competition was attended by 63 girls, which is 30% of all children's participants. How many children attended this competition?
- Frameworks is bad
Calculate how many percent will increase the length of an HTML document, if any ASCII character unnecessarily encoded as hexadecimal HTML entity composed of six characters (ampersand, grid #, x, two hex digits and the semicolon). Ie. space as:
- Profit gain
If 5% more is gained by selling an article for Rs. 350 than by selling it for Rs. 340, the cost of the article is:
- The ball
The ball was discounted by 10 percent and then again by 30 percent. How many percent of the original price is now?
- Price increase 2x
If two consecutive times we increase the price of the product by 20%, how many % is higher final price than the original?
- Selling price
Find the selling price. Cost to store: $50 Markup: 10%
If spends 25% of my net pay of $922.28 on entertainment. How much money is that?
- Reducing number
Reducing the an unknown number by 28.5% we get number 243.1. Determine unknown number.
Calculate how many % is the number 26.25 less than the number 105.
35% of what number is 35?
- Test points
If you earned 80% of the possible 40 points, how many points did you miss to get 100%?
- Cinema tickets
Cinema sold 180 tickets this Thursday, which is 20%. Monday 14%, Tuesday 6%, Wednesday 9%, Friday 24%, Saturday 12%, and Sunday 15%. How many tickets were sold per week?
Determine the percentage rate of keeper interventions if from 32 shots doesn't caught four shots.