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mixer [17]
3 years ago
7

Find the missing factor 5y^2-4y-9=(y+1)

Mathematics
1 answer:
disa [49]3 years ago
8 0

Answer:

y = {1,2}

Step-by-step explanation:

5y^2 - 4y - 9 = y + 1

5y^2 - 5y - 10 = 0

5(y^2 - y - 2) = 0

5 (y - 2) (y - 1) = 0

y = {1,2}

Please mark for Brainliest!! :D Thanks!!

For more information, please comment below and I'll respond asap!!

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Answer:

Step-by-step explanation:

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7 0
3 years ago
The angular velocity of a fan blade is 6.2 radians per second.
MA_775_DIABLO [31]

Answer:

94.7 revolutions

Step-by-step explanation:

In the question above, we are given the following values for the fan

Angular velocity = 6.2 radians per seconds

Time = 1.6 minutes.

Step 1

We would convert the time given to seconds

1 minute = 60 seconds

1.6 minutes = ?

We cross multiply

1.6 minutes × 60 seconds

= 96 seconds

Step 2

Number of revolutions made by the fan is calculated as :

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× time(seconds)

Number of revolutions = 6.2 radians per seconds × 96 seconds

=595.2 radians

Converting from radians to revolution

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595.2 radians =

Cross multiply

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Therefore, the number of revolutions the fan blade makes in 1.6 minutes is 94.7 revolutions.

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