A satellite is circling 145 miles above the earth, as shown in the figure. When the satellite is directly above point B, angle A is found to be 74.8º. Use this information to find the radius of the earth. Apply the rules regarding the use of significant digits when determining your answers.
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Earth's radius = __________ mi
Fill in the blank(s) with the appropriate word(s).
4,000
Mathematics
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Provide an appropriate response.The Sierpinski sponge has a fractal dimension between 
.
A. 0 and 1 B. 1 and 2 C. 2 and 3 D. 3 and 4
Mathematics
Find the x- and y-intercepts of the graph of the given equation, if they exist. Then graph the equation.-4x - 20y = 20
A. x: 5; y: -1
B. x: -1; y: -5 
C. x: -5; y: -1 
D. x: -1; y: 5
Mathematics
Perform the indicated operation.
- 11x
A. 
B. 
C. 
D. 
Mathematics
Determine whether the statement is a proportion.
A. Yes B. No
Mathematics