
Concept explainers
(a)
To calculate: Round the original cost of each item nearest ten and estimate cost of the total purchase before discount if Alvin has credit card
(b)
To calculate: The estimate amount of discount on the total purchase if Alvin has credit card with
(c)
To calculate: The estimate total cost after discount on the total purchase if Alvin has credit card with

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Chapter 8 Solutions
Prealgebra (6th Edition)
- B:Show that the function 4H(x,y)= (x² + y2)2-2((x² + y²) is a first integral of ODES: x=y + y(x² + y²) y=x+x (x² + y²) and sketch the stability of critical points and draw the phase portrait of system.arrow_forwardA: Show that the ODES has no limit cycle in a region D and find this region: x=y-2x³ y=x+y-2y3 Carrow_forwardoptımızatıon theoryarrow_forward
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- On from the equation: 2 u = C₁ + C₂ Y + Czy + Cu y³ Find C₁, C₂, C3 and Cy Using these following Cases : (a) 4=0 at y=0 (b) U = U∞ at y = 8 du (c) at Y = S ду --y. ди = 0 at y = 0 бугarrow_forwardQI Find the first integral + (x°) ³ + x =0arrow_forwardQ1: solve the system y 2 In √√x² + y2 X y = −y + In √√x² + y2 and solve the linear part.arrow_forward
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