The area of the floor of a rectangular room is 140 square feet. The length of the room is 4 feet more than its width. Find the width and length of the room.
A. 4 ft and 35 ft
B. 5 ft and 28 ft
C. 7 ft and 20 ft
D. 10 ft and 14 ft
A. 4 ft and 35 ft
B. 5 ft and 28 ft
C. 7 ft and 20 ft
D. 10 ft and 14 ft
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Answer:
Let's solve your equation step-by-step.
x2−12x+35=0
Step 1: Use quadratic formula with a=1, b=-12, c=35.
x=
−b±√b²−4ac/2a
x=
−(−12)±√(−12)2−4(1)(35)/2(1)
x=
12±√4
2
x=7 or x=5
Answer:
x=7 or x=5
Step-by-step explanation:
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