Use "intersect" on a graphing calculator to solve the equation. Round the solution to the fourth decimal place.5
x = 3x
A. 0.8982
B. 0.8958
C. 2.6827
D. 2.6873
Answer: B
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Solve.Body mass index is given by the formula I = 
, with W being the person's weight (in pounds). Mary's height is 63 in. What weights W will allow Mary to keep her body mass index I between 18.5 and 25? Round the answer to the nearest tenth of a pound.
A. 123 lb < W < 146.9 lb B. 104.2 lb < W < 140.8 lb C. 1.7 lb < W < 2.2 lb D. 95.3 lb < W < 127 lb
Graph the inequality.x + 5y ? -5
A. 
B. 
C. 
D. 
Solve the problem.Suppose that the orbit of a particular planet around the sun is an ellipse with equation 
+ 
= 1, where x and y are measured in millions of miles. Find the eccentricity of this ellipse. (Round to the nearest thousandth.)
A. 9.653 B. 0.366 C. 0.866 D. 1.155
Use the properties of equality to solve the equation.-4z = - 
A. 
B. 
C. - 
D. - 