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Firlakuza [10]
3 years ago
10

Stephanie ran four laps around the school track in 7 minutes and 30 seconds. How many seconds per lap is that

Mathematics
2 answers:
madreJ [45]3 years ago
6 0
I got 112 seconds hopefully this helps u but sorry if it doesn't help u
Svetradugi [14.3K]3 years ago
3 0
112.5 seconds per lap. As you need to convert the minutes to seconds, 7 x 60 = 420 + 30 = 450


450/4 = 112.5
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6 0
2 years ago
Read 2 more answers
Can somebody help me
saveliy_v [14]

Answer:

Y=5

You must first divide b (-10) by two and square it to know what you need to make a perfect square (25). You must then add or subtract the amount to make C (-13) into that number (add 38). Don't forget to do it on the other side too! (3 becomes 41) You then factor the left side. ((Y-5)^2=41) The result is your answer. (Y=5)

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astraxan [27]

Answer:

Step-by-step explanation:

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