Answer:
rate that Mary has run: D = 8T
Step-by-step explanation:
distance = rate × time
Translation is the sliding of one triangle over another
Given that the dimensions of the wall are length = l = 18 ft and breadth = b = 12 ft.
Then the area of the wall is
A = l x b
On putting the values we have
A = 12 x 18 sq ft = 216 sq ft
Hence, the insulation will be needed of 216 sq ft.
Answer:
x=33
Step-by-step explanation:
This is probably not the right way to do it but 33/33 = 1 -1/3=2/3
Answer:
15 cm
Step-by-step explanation:
Adding 5 cm twice increased the perimeter to 70 cm, so it must have been 60 cm to start with.
A square with perimeter 60 cm will have a side length of (60 cm)/4 = 15 cm.
The side of the original square was 15 cm.
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<em>Check</em>
The rectangle is 15 cm by 20 cm, so has a perimeter of 2(15 +20) = 70 cm.