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Step2247 [10]
3 years ago
15

Which mathematical property is demonstrated 40•(25•74) = (40•25)•74

Mathematics
1 answer:
Sindrei [870]3 years ago
6 0
The mathematical property that allows 40 * (25 * 74) = (40 * 25) * 74 would be the Associative Property of Addition and Multiplication. This property means that no matter how the values of an expression are grouped together (or "associating" with each other), the end result will be the same, as long as the symbols are all either multiplication or addition symbols.
Hope that helped =)
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Sam has $440 in $20, $10, and $5 dollar bills. The number of twenties, tens and fives are consecutive integers in this order. Ho
Ludmilka [50]

Answer: There are 12 bills for $20, 13 bills for $10 and 14 bills for $5.

Step-by-step explanation:

Let the number of twenties be x

Let the number of tens be x+1

Let the number of fives be x+2

Amount from twenties will be given as

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Amount from tens will be given as

10\times (x+1)=10x+10

Amount from fives will be given as

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According to question,

20x+10x+10+5x+10=440\\\\35x+20=440\\\\35x=440-20\\\\35x=420\\\\x=\frac{420}{35}\\\\x=12

So, there are 12 bills for $20, 13 bills for $10 and 14 bills for $5.

6 0
3 years ago
Function or not a function
Shkiper50 [21]

Answer:

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Step-by-step explanation:

<u>Functions have graphs or slopes.</u>

<u>This is not a function.</u>

<u>This is not on a graph or on a slope.</u>

Your answer is not a function.

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2 years ago
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Alex17521 [72]

Answer:

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Step-by-step explanation:

you would divide 246 by 365 to get 0.6739... and if you multiply by 100 that would be your answer of 67%

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