Solve the differential equation.x
+ 2y = 7 - 
, x > 0
A. y = 
, x > 0
B. y = 
, x > 0
C. y = 
, x > 0
D. y = 
, x > 0
Answer: B
Mathematics
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Solve the differential equation.5y ' = ex/5 + y
A. y = 
B. y = 
C. y = xex/5 + cex/5
D. y = 
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Solve the problem.The formula 
gives the relationship between F degrees Fahrenheit and C degrees Celsius. Find the Celsius temperature that is equivalent to 168.8°F.
A. 76°C B. 76.5°C C. 60°C D. 62°C
Mathematics
Answer the question or write an explanation.Can an equation of a vertical line be written in slope-intercept form? Why or why not?
What will be an ideal response?
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Find an equivalent equation in polar coordinates.x2 - y2 = 4
A. cos2? - sin2? = 4r B. cos2? - sin2? = 4 C. r2cos 2? = 4 D. r cos 2? = 4
Mathematics