Answer:
Not a Conic Section
Step-by-step explanation:
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Answer:
Width = 3a
Height = 6a
Step-by-step explanation:
Given the following :
Scale = 1 in = 3 feets
Doorway frame on blueprint= a inches wide ; 2a inches High
Actual dimension of the doorway:
Since 1 in represent 3 feets
Actual doorway frame dimension will be :
Width = 3 * a = 3a
Height = 3 * 2a = 6a
A = (B + b)xH : 2
A = (4.5+7.5) x 5 : 2
A = 12 x 5 : 2
A = 60 : 2
A = 30 in²
Answer:
x = -1
y = 2
Step-by-step explanation:
y = x+3
x+2y = 3
substitute y
x+2(x+3) = 3
simplify
3x+6 = 3
subtract 6 from both sides
3x = -3
x = -1
y = -1+3 = 2
