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alekssr [168]
4 years ago
14

There are 100 runners entered in a marathon. How many different groups of three runners can finish in first, second, and third?

Mathematics
1 answer:
DIA [1.3K]4 years ago
4 0
Permutations and Every runner except for the one that was 1st could be 2nd hoep this helps
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X- 0,1,2,3 Y- 3,4,11,18. Which linear equatio represents the data given in the table? A) y = 3x + 7 B) y = 7x + 3 C) y = 3x - 7
devlian [24]

Answer:the answer is A

Step-by-step explanation:

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Which expression can be used to find the price of a $400 telescope after a 32% markup? Select all that apply.
elena-s [515]
<h3>There are 2 answers: choice C, choice D</h3>

====================================================

Explanation:

32% = 32/100 = 0.32

32% of 400 = 0.32*400 = 400(0.32), which adds onto the original 400 to get 400+400(0.32). This is why choice D is one of the answers.

We can factor out the GCF 400 to go from 400+400(0.32) to 400(1+0.32) which then simplifies to 400(1.32) or just 400*1.32. This shows choice C is the other answer. Using a calculator,

400+400(0.32) = 400 + 128 = 528

400*1.32 = 528

meaning that 400+400(0.32) = 400*1.32

The other answer choices result in other values, showing that they aren't equivalent to 528.

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3 years ago
von has a rectangular workroom with a perimeter of 26 feet. the length of the workroom is 6 feet. what is the width of vons work
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