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Sladkaya [172]
3 years ago
15

On a particular day, Sylvia worked 3 hours and 45 minutes, while Paul worked 4 hours and 35 minutes. What’s the ratio of Sylvia’

s work time to Paul’s work time, in minutes?
Mathematics
1 answer:
Crazy boy [7]3 years ago
5 0
225:275
because 3 hours = 180 minutes + 45 = 225and 4 hours = 240 minutes + 35 = 275

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Find the value of n such that x2-10x+n is a perfect square trinomial.
mihalych1998 [28]
The answer is the last option (Option D), which is:

 D. 25

 The explanation is shown below:

 1. You have that:

 (a ± b)^2=a^2 <span>± 2ab + b^2

 2. The expression given in the problem is:

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 Where x^2=a and 2ab=10x

 2b=10
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 b=5

 3. Therefore, you have:

 b^2=5
 b^2=25

 b^2=n
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7 0
3 years ago
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Which of the following is not part of polyhedron.
Rom4ik [11]

Answer:

C

Step-by-step explanation:

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For example consider a common cube, like a sugar cube.

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Laura randomly pulled a marble from a bag and then replaced it.
marissa [1.9K]

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If these results were repeated with 300 trials, the number of times Laura would be expected to pick green would be:

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tatuchka [14]
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