Answer:
The ideal line is a concept. A line that is drawn cannot be a mathematically true line since it will have a thickness - no matter how small. Also, it cannot be infinitely long - no matter how large.
Sum of interior angles of a polygon = (n-2)180 [where n = no. of sides]
(n-2)180 = 720
n-2 = 720/180 = 4
n-2 = 4
n = 4+2 = 6
So it is a 6 sided shape (Hexagon)
Pemdas
multiplication first
3 times 2=6
8 times 1=8
now we have
11+5+6+8
add
11+5=16
6+8=14
16+14=30
answer is 30
W = L - 7
WL = 78
(L-7)L = 78
L^2 - 7L - 78 = 0
Factorize: (L-13)(L+6) = 0
L = 13 or -6
A length cannot be negative, so the length must be 13 miles.
The width is 13-7 = 6 miles.
Answer:
D
Step-by-step explanation:
To find the length of board subtract the piece cut from the length of board
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Before subtracting the fractions we require them to have a common denominator.
Multiply the numerator/denominator of the first fraction by (x + 2)
Multiply the numerator/denominator of the second fraction by (x - 2)
= -
Distribute the numerators leaving the denominator
=
=