7. log(x+3)(2x + 3)+log(x+3)(x +5)= 2
1 answer:
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Answer:
The scale drawing is correct for the length;
Step-by-step explanation:
The diagram shows the rectangular cross-section of a roof truss
The given dimension of the side of the roof truss scale drawing = 9.5 in.
The actual length of the side on the roof truss = 38 feet
The actual length of the side on the roof truss = 22 feet
Therefore, the scale of the scale drawing is given as follows;
The scale of the drawing = (Scale dimension)/(Actual dimension)
38 feet = 9.5 inches on the drawing
∴ 1 foot = 9.5 inches/35 = 19/70 inches on the drawing
1 foot = 19/70 inches on the drawing
22 feet = (19/70 inches × 22) on the drawing = inches on the drawing
The length of on the scale drawing =
inches.