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The area is A=1/2aP
a=apathem
p=perimeter
Combine place value strategy is useful if you try to subtract a number with bigger digits from a number with a smaller digit in the same place... such as now, where 3 is smaller than 9 in the ones place.
<span>Then we can combine two place values: 23 and 19 and subtruct those. 23-19 is 4 (you can just count up from 19 to 23), so you know that the two will give the result of </span>04, and then you can proceed to the left: 2-1=1<span>. </span>
<span>so the final result will 104.
Hope I helped:P </span>
Answer:
scale factor: 1.16
perimeters: 21.84 ft and 25.36 ft
Step-by-step explanation:
The area for an octagon is as follows:

solved for "l":

now we calculate the value of each side:

l1 = 2.73

l2 = 3.17
The scale would be:
3.17 / 2.73 = 1.16
And the value of the perimeter of the first would be:
2.73 * 8 = 21.84
and the second:
3.17 * 8 = 25.36
Answer:
8
Step-by-step explanation:
Each month your hair grows .5 inches