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12345 [234]
3 years ago
10

Please help and show work ​

Mathematics
1 answer:
Advocard [28]3 years ago
4 0
To find the value of the angle we start with tan(theta)= o/a now fill in variables tan(theta)= 39.05/18 then we have to move tan to the other side so we get theta = tan^-1(39.05/18) this will give us theta = 65
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4 years ago
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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
Volume equation3 1/4 inch high, 6 1/2 inch long, 2 inch wide
Komok [63]
If this is for a rectangle the volume of it would be 39/2 or 19 1/2
8 0
3 years ago
What is 4.1528 rounded to the nearest thousandth?
ddd [48]
4.1528 rounded to the nearest thousandth is 4.2000
5 0
4 years ago
For this equation, tell whether it is always true, sometimes true, or nevertrue.
dybincka [34]

To answer the question we make the sum on the left side of the equation:

\begin{gathered} \frac{1}{2}y+5=\frac{y+10}{2} \\ \frac{y}{2}+5=\frac{y+10}{2} \\ \frac{y}{2}+\frac{10}{2}=\frac{y+10}{2} \\ \frac{y+10}{2}=\frac{y+10}{2} \end{gathered}

Since both sides are exactly the same. this equation is always true.

3 0
1 year ago
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