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Liono4ka [1.6K]
3 years ago
15

Loin has read 25 % of a book. If she has been reading for 5 hours, how many more hours will it take her to complete the book?

Mathematics
1 answer:
Anon25 [30]3 years ago
4 0
Well, the answer is 15 hours

Explanation:
Since it took Loin 5 hours to read 25% of the books and the entire book is 100%, 25% is 1/4 of the book. We add on 5 hours to every 1/4 of the book so 1/2=10 hours, 3/4= 15 hours and the entire book =20 hours. So the entire book would take 20 hours to read but the question is How many MORE hours so we subtract 5 hours from 20 hours which equals 15.
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If you can help me in this I would be very Thankful guys​
sladkih [1.3K]

Answer:

OAB = 75

OAB = 45

OMN = 60

Step-by-step explanation:

so there is a rule for corresponding angles are equal to one another

in this question the corresponding angles would be angle OMN and angle OAB

meaning that since OMN is 45 degrees, then OAB would also be 45 degrees

FOR ANGLE ONM

To find angle ONM, we know that the angle of a straight line is equal to 180 degrees.

If part of the straight line is 120 degrees, then the remaining would mean

180-120 = 60 degrees

thus ONM is 60 degrees

Earlier, we found that corresponding angles are equal and ONM and OBA are corresponding angles which means

OBA also equals 60 degrees.

To find angle OMN, the angles in a triangle add up to 180, since we know angles M and angle N, then

180 - 45 - 60 = 75 degrees

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3 years ago
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Akimi4 [234]

Answer:

24

Step-by-step explanation:

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Area of a triangle = 1/2 x ( base x height)

1/2 x (6 x 8) = 24 ft²

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Hope this helps you understand

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4 years ago
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