Suppose you, as an astronaut, used Erastothenes' method to determine the circumference of a new planet you visited. You found that when the sun was overhead at noon at point A it was at a 10 degree angle from the vertical at point B. You know points A and B are 800 km apart. What would you get (approximately) for the circumference of that planet?

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the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

exa:

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3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.