The expression which represents the perimeter, in centimeters, of the rectangle is; (18d +10f) centimetres.
Since the perimeter of a rectangle is given by the formula;
In essence, Perimeter, P = 2(2d – 3f) + 2(7d + 8f)
Ultimately, the perimeter of the rectangle is; (18d +10f) centimetres.
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Answer:
same amount at 2 months. he'd pay 140.
Step-by-step explanation:
35(month) +35(month) =70(joining fee). 70+70=140. that's two months at the first gym.
the second gym is also 140 for the two months because each month is $70. and 70+70=140
x = -12
2x^2 + 8 = x^2 - 16
2x + 2x + 8 = x + x - 16
4x + 8 = 2x - 16
-2x -2x
2x + 8 = -16
-8 -8
2x = -24
---- ------
2 2
hope this will help you...
1 hour= 45 miles
1/2 hour=22.5 miles
3 hours= 135
just work out one hour by halving 90 miles which is 45. Then work out the rest by halving again and multiplying by 3.
