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Kryger [21]
3 years ago
8

I WILL GIVE BRAINLIEST ANSWER OUT. 20 POINTS!

Mathematics
1 answer:
Liula [17]3 years ago
5 0
1.56X10^4 means 1.56 moved decimal to right 4 places or 15600
4hr and 16mins
convert to seconds
4 times 60=240 min
240 mini times 60=14400
16min times 60=960

add
14400+960=15360

15360<15600

miguel ran faster
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Answer:

Step-by-step explanation:

Each of the squares has trinomials that factor. x^2 - 14x + 49 = (x - 7)^2

When you take the square root (to get the side length) you get x - 7. So the length of each square is x - 7) = 0;..........x=7 That's the answer to a.

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Answer: Question a = 7..... Question b = 7 ......... Question C = 14

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so that each entry in the table corresponds to the sum of the tens digit (row) and the ones digit (column). Now, you want to find the numbers whose digits add to perfect squares, which occurs when the sum of the digits is either of 1, 4, 9, or 16. You'll notice that this happens along some diagonals.

For each number that occupies an entire diagonal in the table, it's easy to see that that number n shows up n times in the table, so there is one instance of 1, four of 4, and nine of 9. Meanwhile, 16 shows up only twice due to the constraints of the table.

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