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Sonbull [250]
3 years ago
14

Express 7 minutes, 30 seconds as a percentage of 1 hour​

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
8 0

Answer:

did u mean 7 minutes & 30 seconds or

do you need seperate percentage for each ???

Ksju [112]3 years ago
5 0

Answer:

420 i think

Step-by-step explanation:

7 mins

7×60

=420

plus the 30sec

450 sec

450/3600×100

45000/3600

450/36

12.5

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Answer:

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Step-by-step explanation:

We notice the first pair of coefficients is the same as the last pair (with the sign changed). This means we can factor by grouping.

  f(x) = (2x^3 +6x^2) -(2x +6)

  f(x) = 2x^2(x +3) -2(x +3)

  f(x) = 2(x^2 -1)(x +3) = 2(x -1)(x +1)(x +3)

The factors are made to be zero when x is 1, -1, or -3.

The x-intercepts are (1, 0), (-1, 0), (-3, 0).

The y-intercept is the constant, -6.

4 0
2 years ago
A website charges the same shipping fee on every order
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Step-by-step explanation:

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