Solve.The orbit of a planet, in a galaxy far, far away, is an ellipse. If the center of the ellipse is at the origin, an approximate equation for the orbit is 
+ 
= 1, where x and y are measured in millions of miles. Find the largest possible distance across the ellipse. Round the answer to the nearest million miles.
A. 13,710 million miles
B. 117 million miles
C. 83 million miles
D. 166 million miles
Answer: D
Mathematics
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Express the number in scientific notation.870,000
A. 8.7 × 105 B. 8.7 × 104 C. 8.7 × 10-4 D. 8.7 × 10-5
Mathematics
Multiply.
A. 59,638,696 B. 59,639,696 C. 59,649,696 D. 59,639,796
Mathematics
Determine the real solutions to the system of nonlinear equations.2x2 + y2 = 173x2 - 2y2 = -6
A. (1, 3), (-1, -3) B. (2, 3), (2, -3), (-2, 3), (-2, -3) C. (1, 3), (1, -3), (-1, 3), (-1, -3) D. (2, -3), (-2, 3)
Mathematics
Use a calculator to evaluate the following expression. Round your answer to the nearest hundredth.
?
?
A. -1,641.44 B. -1,641.49 C. -1,641.64 D. -1,641.03 E. -1,641.54
Mathematics