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ira [324]
3 years ago
13

the dry cleaning fee for 3 pairs of pants is $18. what is the constant of proportionality. How much will the dry cleaner charge

for 11 pairs of pants?
Mathematics
2 answers:
loris [4]3 years ago
4 0
Its 6$ for 1 pair of pants so for 11 pairs of pant's it is 66$
natulia [17]3 years ago
4 0

Answer:

Constant of proportionality is $6 for one pair and cost of dry cleaning 11 pairs of pants is $66.

Step-by-step explanation:

Dry cleaning fees is directly proportional to the charges of dry cleaning.

Cleaning fee ∝ Pairs of pants

Cleaning fee = k × Pairs of pants

where k is the proportionality constant.

If dry cleaning fee for 3 pairs of pants is $18 then from the equation given above

18 = k ×3

k = \frac{18}{3}=6

SO the equation will be Cleaning fees = 6×Pairs of pants

For 11 pairs of pants,

Cleaning fees = 6×11 = $66

Therefore, constant of proportionality is $6 for one pair of pants and cost of dry cleaning 11 pairs of pants is $66.

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The vertice of triangle ABC are A(8,4), B(6,3) and C(5-5). Find the angle between the side AB and BC.​
Zigmanuir [339]

Answer:

Step-by-step explanation:

Use law of cosines

c² = a² + b² - 2abcosθ

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