Suppose a planet is discovered that revolves around its sun in an elliptical orbit with the sun at one focus. Its perihelion distance (minimum distance from the planet to the sun) is approximately km, and its aphelion distance (maximum distance from the planet to the sun) is approximately km. Approximate the eccentricity of the planet’s orbit. Round to three decimal places.

a. 1.174
b. 12.5
c. 0.08
d. 0.852


c. 0.08

Mathematics

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Solve the problem.The length a spring is stretched from its natural length with work, W is given by  L = where k is a constant for the given spring. If a certain spring has a constant of 78.8, and the spring is to be stretched 3.2 feet from its natural length, how much work will be necessary?

A. 126.1 foot-pounds B. 403.5 foot-pounds C. 806.9 foot-pounds D. 70.5 foot-pounds

Mathematics

Provide an appropriate response.Under what conditions does xm represent a negative number? Why?

What will be an ideal response?

Mathematics

Solve the application.According to nutrition facts on a box of cereal, the serving size for the cereal is  cup. How many servings of the cereal can be placed in a container that holds 16 cups?

A. 33 ounces B. 8 servings C. 32 servings D. 4 servings

Mathematics

Express the amount as a positive or negative integer.This year corn production increased 21,000 pounds on Steve's farm.

A. -21,000 B. 21,000

Mathematics