Divide. Simplify, if possible.
÷ 
A. 280
B. 
C. 10
D. 
Answer: B
Mathematics
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Solve the differential equation.xy '+ 4y = 
, x > 0
A. y = 
, x > 0
B. y = 
, x > 0
C. y = 
, x > 0
D. y = 
, x > 0
Mathematics
Find the area A. Round the answer to three decimal places.
A. 8.167 ft2 B. 51.313 ft2 C. 25.656 ft2 D. 3.665 ft2
Mathematics
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.31x2 + 10
xy + 21y2 -144 = 0
A. ? = 45°
x'2 = -4
y'
parabola
vertex at (0, 0)
focus at (0, -
)
B. ? = 45°
y'2 = -4
x'
parabola
vertex at (0, 0)
focus at (-
, 0)
C. ? = 30°
+ 
= 1
ellipse
center at (0, 0)
major axis is y'-axis
vertices at (0, ±3)
D. ? = 36.9°
+ 
= 1
ellipse
center at (0, 0)
major axis is x'-axis
vertices at (±3, 0)
Mathematics
Determine whether the statement is true or false.-12 < -10
Answer the following statement true (T) or false (F)
Mathematics