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kenny6666 [7]
3 years ago
7

PLEASE HELP WILL GIVE BRAINLIEST

Mathematics
1 answer:
emmainna [20.7K]3 years ago
3 0
Pi is defined as the ratio of the circumference of any circle to its diameter. As all circles are similar and therefore proportional in dimensions, pi is therefore always the same for all circles and is constant
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Three candidates were running for president of a student council. Altogether, 1524 students cast a vote in the election. The sec
Leya [2.2K]

Answer:

48%

Step-by-step explanation:

The total number of votes casted = 1524 votes = 100%

Let a = votes of first place candidate

b = votes of second place candidate

c = votes of third place candidate

The second place candidate had 140 votes less than the winner

b = a - 140 votes...... Equation 1

Hence,

a = b + 140.......... Equation 2

Second place candidate has 395 votes more than the last place candidate

b = c + 395.......Equation 3

Hence,

c = b - 395......Equation 4

a + b + c = 1524 votes....... Equation 5

If a = b + 140 and c = b - 395

The number of votes by b(second place candidate ) =

b + 140 + b + b - 395 = 1524 votes

3b = 1524 + 395 - 140

3b = 1779

b = 1779/3

b = 593 votes.

Therefore, the second place candidate had 593 votes.

Now we can calculate how many votes, the other candidates had.

The second place candidate had 140 votes less than the winner

Votes for the winner( first place candidate)

b = a - 140 votes...... Equation 1

Hence,

a = b + 140.......... Equation 2

Since b = 593

a = 593 + 140

a = 733 votes

Votes for the last place candidate

Since, Second place candidate has 395 votes more than the last place candidate

b = c + 395.......Equation 3

Hence,

c = b - 395......Equation 4

b = 593

c = 593 - 395

c = 198

From the above calculation,

a = votes of first place (winner) candidate = 733

b = votes of second place candidate = 593

c = votes of third(last) place candidate = 198

In the above question, we were asked to calculate the percentage of all the votes cast were received by the winner.

This is calculated as

= Voted received by winner/ Total number of votes casted × 100

= 733/1524 × 100

= 48.09711286%

Approximately to the nearest percent = 48%

Therefore, the percentage of all the votes cast were received by the winner = 48%

5 0
3 years ago
HELP ME PLEASE...................................
In-s [12.5K]
The answer would be B
4 0
3 years ago
Two Vertical buildings 91 metres apart are136 metres and 192 metres high respectively. Find the angle of elevation form the top
pickupchik [31]

Answer:

≈ 32°

Step-by-step explanation:

Distance between buildings= 91 m

Elevation difference= 192 m- 136 m= 56 m

Right triangle ΔABC is formed by connecting 3 points, see attached

∠C is one to be calculated

tan C=AB/AC= 56/91

tan C= 0.62

∠C ≈ 32°

-------------------

<em>∠B = (90°-32°)= 58° in case I misread which angle to be found</em>

3 0
3 years ago
Please give this in steps
Paul [167]

Answer:

(x - y)²

Step-by-step explanation:

Given

(x + y)² - 4xy

= x² + 2xy + y² - 4xy

= x² - 2xy + y²

= (x - y)²

3 0
3 years ago
Read 2 more answers
Charles has 24 marbles.He has 6 more yellow marbles than blue marbles. Which equation represents this situation?
alisha [4.7K]

Answer:

2x+6=24

Step-by-step explanation:

6 0
3 years ago
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