3. Draw the graph of the following equations.
(a) x + 2y = 0
(b) 2x-3y = 0
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0
Answer:
a rectangular concrete beam 100mm wide by 250mm deep spanning over 8m is prestressed by a straight cable carrying an effective prestressing force of 250 kn
Answered by
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Answer:
X=0
Y=0
Step-by-step explanation:
in eq (a)
if x=0
2y=0
y=0/2
y=o
if y=0
x=0
in eq (b)
if x=0
-3y=0
y=0/-3
y=o
if y=0
2x=0
x=0/2
x=0
in eq (a) if x=0 y is also 0
if y=0 x is also 0
in eq (b) if x=0 y is also 0
if y=0 x is also 0
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