A garden measuring 9 meters by 4 meters is going to have a walkway constructed all around the perimeter, increasing the total ar
ea to 150 square meters. What will be the width of the pathway? (The pathway will be the same width around the entire garden).
2 answers:
Answer:
3 metres
Step-by-step explanation:
Let the width of the pathway be x
Area: (9+2x)(4+2x)
36 + 8x + 18x + 4x²
4x² + 26x + 36
Increased area is 150:
4x² + 26x + 36 = 150
4x² + 26x - 114 = 0
2x² + 13x - 57 = 0
2x² + 19x - 6x - 57 = 0
x(2x + 19) - 3(2x + 19) = 0
(x - 3)(2x + 19) = 0
x = 3, x = -19/2
Answer:
3 meter
Step-by-step explanation:
You might be interested in
Answer:
10
Step-by-step explanation:
X = -1 so, we have:
3·1² + 1
3² + 1
9 + 1
10
Answer:

Step-by-step explanation:
From the question we are told that:
Data

Generally the equation for Point estimate
is mathematically given by




Answer:
12
Step-by-step explanation:
Answer: $53.50 ?
Step-by-step explanation:
Answer:
Protractor
Step-by-step explanation:
You use a ruler to draw a straight line.
You use a protractor to draw an angle.