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mafiozo [28]
3 years ago
8

The dry cleaning fee for 3 pairs of pants is $18. what is the constant of proportionality

Mathematics
2 answers:
zloy xaker [14]3 years ago
6 0
Every pair of pants would cost 18/3 dollars

Ksivusya [100]3 years ago
4 0
In this problem, the constant of proportionality is also the unit rate.

18/3= 6

We need 6 dollars per pair of pants.

Final answer: $6 per pair of pants. 
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The Sum of twice a number and 5 is at most 15. What are the possible values for the number?
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2x+5\le 15

Let's solve.

2x+5\le 15\\ \\ 2x\le 15-5\\ \\ 2x\le 10\\ \\ x\le \frac { 10 }{ 2 } \\ \\ x\le 5

x\quad \in \quad \left[ -\infty ,5 \right]

If the number is a natural number. The values it can take is, x\quad \in \quad \left[ 0,1,2,3,4,5 \right]


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Look to the attached graph

Step-by-step explanation:

* Lets revise how to graph the quadratic function

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* Now lets graph it

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