Let length = l , width = b
Perimeter = 2 (l +b)
46= 2 (l +b)
(l + b) = 23
l*b = 120
So l + 120/l = 23
l^2 + 120 - 23l = 0
l^2 -15l + 8l + 120 = 0
(l-8) (l - 15) =
l = 8 or 15
i.e if l =8, w=15
and if l = 15, w = 8
Answer: 3.5
Step-by-step explanation:
Pythagorean Theorem!
2squared + x squared = 4 squared
4+x=16
16-4=12
Square root of 12 is 3.4641
Answer: b) x = 6 and total line is 52
c) x = 5.5 and total line is 20
Step-by-step explanation:
b) (x+20) = (5x-4)
4x = 24
x = 6
Line (x+20) = 26
Line (5x-4) = 26
Total line = 52
c) (4x-12) = (-2x+21)
6x = 33
x = 5.5
Line (4x+12) = 10.0
Line (-2x+21) = 10.0
Total line = 20
T (-1, 3) is vertically 2 units away from the line y = 1.
When finding the ordered pair for the new point, M, it must also be 2 units from the line y = 1, but on the opposite of the line. The x-value will not change only the y-value.
Counting two units BELOW the line we get M(-1, -1)