Solve.5x2 + 5 = 185
A. x = ± 6
B. x = 6
C. x = 92.5
D. x = ± 7
Answer: A
Mathematics
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Solve the problem.Find the measure of an angle if its supplement measures 50° less than 3 times its complement.
A. 166° B. 20° C. 83° D. 10°
Mathematics
If one angle in a parallelogram is 135, then one of the other angles of the parallelogram is
(a) 135°. (b) 45°. (c) 55°. (d) Both (a) and (b) are correct. (e) Both (a) and (c) are correct.
Mathematics
Determine whether the lines are parallel, perpendicular, or neither.3x - 3y = 10 2x + 3y = 10
A. neither B. perpendicular C. parallel
Mathematics
Find the foci of the ellipse whose equation is given.
+ 
= 1
A. foci at (-3, -1 - 
) and (-3, -1 + 
)
B. foci at (3, -1 - 
) and (3, -1 + 
)
C. foci at (-2, -1 - 
) and (-2, -1 + 
)
D. foci at (-1, -3 - 
) and (-1, -3 + 
)
Mathematics