Create a memory device to help you remember the quadratic formula. The device could be a song, drawing, rhyme, mnemonic device,
1 answer:
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If a is the number of events, then a = 1. Plugging in 1 for a in the equation 
, you get 
.
Total cost is $9.
Total cost is $9.
We know that the perimeter is the all the sides added up together. Generally, you have 
, where l is length and w is width.
For a square, all sides are of the same length, so you can write
, where x is any side.
If the smallest perimeter is 14, then
, so x is 3.5. If the largest perimeter is 72, then 
, so x is 18.
Therefore, you have 3.5 ≤ x ≤ 18.
For a square, all sides are of the same length, so you can write
If the smallest perimeter is 14, then
Therefore, you have 3.5 ≤ x ≤ 18.