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Maurinko [17]
3 years ago
5

an election called predicts that a certain writing 5 out of 8 voters who vote for the Liberal Party in the next provincial elect

ion according to this production how many voters out of 180000 voters would not vote liberal
Mathematics
1 answer:
baherus [9]3 years ago
5 0
5 out of 8 would vote
3 out of 8 would not

3/8 = x/180 000
180 000/8 = 22 500
3*22 500 = 67 500
8*22 500 = 180 000

According to this production, 67 500 voters would not vote for the Liberal Party.
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Answer:

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Step-by-step explanation:

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3 years ago
The amount of time t it takes for a group of volunteers to clean up a park varies inversely with the number of volunteers v. If
sweet-ann [11.9K]
T ∝ 1/v 

<span>so, t = k/v or tv = k </span>

<span>Then, with t = 2.5 and v = 5 we have: </span>

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3 years ago
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The angle of elevation of an unfinished tower from a point of 120m away from its base is 25 degrees. How much higher will the to
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Answer:

44.73 m

Step-by-step explanation:

Given that the angle of elevation of an unfinished tower from a point of 120m away from its base is 25 degrees.

Using trigonometry ratio, the height of the tower can be calculated by

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Make height the subject of formula

Height = 120 × tan 25

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How much higher will the tower need to be raised so that its angle of elevation from the same point will be 40 degrees?

Using the same formula to calculate the new height.

Tan 40 = new height / base

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Make the new height the subject of the formula.

New height = 120 × tan 40

New height = 100.69 m

Increase in height = new height - height

Increase in height = 100.69 - 55.96

Increase in height = 44.73m

Therefore, the tower will need 44.73m to be raised so that its angle of elevation from the same point will be 40 degrees.

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