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crimeas [40]
2 years ago
8

In Mr. Johanessen's class, 1/4 of the students failed the final exam. Of the remaining students in the class, 1/3 scored an A. W

hat fraction of the whole class passed the use but scored below and A.
The answer is 1/2 but I don't get how... URGENT!!!! Thanks
Mathematics
1 answer:
deff fn [24]2 years ago
5 0

Answer:

1/2

Step-by-step explanation:

we know that 1/4 of them failed, meaning that 3/4 of them passed.

1/3 of 3/4 is 1/4, meaning that 1/4 of the class got an A.

If 1/4 failed, and 1/4 passed with an A, that leaves 2/4 of the class that passed but didnt get an A, which simplifies to 1/2.

Hope this helps, and don't forget to mark brainliest <3

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RSB [31]

Answer:

Step-by-step explanation:

3x² - 3x + 7 = 0

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x = \dfrac{-b+\sqrt{D}}{2a}  \ ; \  x=\dfrac{-b-\sqrt{D}}{2a}\\\\ \\x=\dfrac{3+5i\sqrt{3}}{6} ; \ ; x = \dfrac{3-5i\sqrt{3}}{6}\\\\\\x =\dfrac{3}{6}+\dfrac{5i\sqrt{3}}{6} ; \ ; x=\dfrac{3}{6}-\dfrac{5i\sqrt{3}}{6}\\\\\\Solution:\\\\x=\dfrac{1}{2}+\dfrac{5\sqrt{3}}{6}i ; \ ; x=\dfrac{1}{2}-\dfrac{5\sqrt{3}}{6}i

5 0
2 years ago
Andrea is traveling with her family in the car. If the car is moving at an average speed of 55 miles per hour, how many miles ca
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3 0
2 years ago
HELP! WILL GIVE BRAINLEST!
vredina [299]

Answer:

last option

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