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Luden [163]
3 years ago
10

Solve the triangle for its unknown parts

Mathematics
2 answers:
monitta3 years ago
4 0
28° this is because all the angles add up to 180
Anvisha [2.4K]3 years ago
4 0
If the only missing part is the degrees on angle A than that is what we need to solve. First add the two angles we know which are 130 + 22 and that equals 152. Than since all triangles add up to 180, than we will need to subtract 180 by 152 and get 34 degrees. 34 degrees should be the answer.
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Please help <br> Only one question <br> 5 points <br> What is the value of x
Rina8888 [55]

Answer:50

Step-by-step explanation:(x+10)+(2x+20)=180

6 0
3 years ago
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
Find the value of 21 + 4(3/\2 - 5). The two after the three is an exponent.
Yuri [45]
First. distribute and multiply the the 4 to the 3^2 and the -5
so then it becomes 21+ 36 - 20
second. add and subtract that
answer is: 37
8 0
4 years ago
Read 2 more answers
50 Points!
Lesechka [4]

Answer:

D 1/4

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The population of a bacterial culture grows at a rate of 4.5% every hour. If there were
nirvana33 [79]
I’m guessing 250

Hope it helpful
6 0
3 years ago
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