You earn $5 for each friendship bracelet you sell. Right and solve an equation to find the number of bracelets you have to sell
2 answers:
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₇P₅ is a permutation. you can find this setting in the statistics menu of your scientific calculator (i think).
If you don't have a scientific calculator, you can use the following formula:
nPr =
₇P₅ =
=
=
= 7 * 6 * 5 * 4 * 3
= 2520
Answer: C
Answer:
x=11, y=8/3
Step-by-step explanation:
Consider quadrilateral LMNO. If this quadrilateral MUST BE a parallelogram, then
LM=NO
and
LO=MN
Thus,
Solve this system of two equations. From the first equation:
Substitute it into the second equation:
