Start with appropriate representations: L = length and W = width. Then W = L - 1.
The perimeter is P = 18 in = 2L + 2W, which here would be:
18 in = 2L + 2(L - 1), or 18 in = 4L -2. Solving for L:
20 in = 4L, and L = 5 in.
Then W = 5 in - 1 in = 4 in.
Note that 2W + 2L does come to 18 in here: 2(5 in) + 2(4in) = 18 in.
The side lengths are 4 and 5 inches, respectively.
Answer:
4
Step-by-step explanation:
The greatest common factor of 8 and 36 is 4.
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Step-by-step explanation:
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Answer:
x = 3/2 | y = -3
Step-by-step explanation:
Given equations:
- y = 2x - 6. . . .(i)
- y = -4x + 3. . . . (ii)
Substituting from equation (i) for y:
==> 2x - 6 = -4x + 3
==> 2x + 4x = 6 + 3
==> 6x = 9
<em>dividing both </em><em>sides by 3</em><em>:</em>
==> 2x = 3
==> x = 3/2
Substituting 3/2 for x in equation (i):
==> y = 2(3/2) - 6
==> y = 3 - 6
==> y = -3