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serious [3.7K]
2 years ago
5

In a city 8% of the people are eligible to vote are between 18 and 21, in an election 85% of those eligible to vote were between

18 and 21 actually voted. in that election , people between 18 and 21 who are actually voted were what percent of those people eligible to vote?​
Mathematics
2 answers:
Diano4ka-milaya [45]2 years ago
8 0

Answer:

6.8 percent of those who voted were between the ages 18 and 21

Step-by-step explanation:

.08 x .85 = .068

.068 x 100 = 6.8

Marina86 [1]2 years ago
4 0

Search you question up on Chrome and click on the first link you will get your answer.

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When 3x² - 2x + 1 is subtracted from 2x² +7x + 5, the result will be?​
Karolina [17]

Answer:

-x²+9x+4

Step-by-step explanation:

Hope this helps!

4 0
3 years ago
Read 2 more answers
A=1/2h(B+b); A=45, B=4, b=5
klemol [59]
Answer: h=10

Solving Steps:
45 = 1/2h x (4+5)
45 = 1/2h x 9
45 = 9/2h
10 = h
h = 10
4 0
3 years ago
WILL GIVE BRAINLIEST
Alja [10]

A. The pair of linear equations are: x + y = 55 and y = x + 25

B. Number of time she spend running everyday is: 15 minutes.

C. It is not possible.

<h3>How to Write a System of Linear Equations?</h3>

A system of equations consist of linear equations that have unknown variables whose values make the linear equations in the system true.

<u>Part A:</u> To write a pair of linear equations, do the following,

Let x represent the time Jackie runs

Let y represent the time Jackie dances

We are given that, Jackie runs and dances for a total of 55 minutes every day, therefore, the first linear equation would be:

x + y = 55 --> equation 1

We are also given that Jackie dances for 25 minutes longer than she runs, therefore, the second linear equation would be:

y = x + 25 --> equation 2

Therefore, the two pair of linear equations that shows the relationship between the number of minutes Jackie runs and dances everyday are:

x + y = 55

y = x + 25

Part B: Substitute y = (x + 25) into equation 1

x + y = 55 --> equation 1

x + x + 25 = 55

2x + 25 = 55

2x = 55 - 25

2x = 30

x = 15

Therefore, the number of time she spend running everyday is: 15 minutes.

Part C:

If she spent 45 minutes dancing (y = 45), and x = 15, substitute the values into x + y = 55 to find out if it is possible.

15 + 45 = 55

60 = 55 (not true)

Therefore, it is not possible.

Learn more about the system of equations on:

brainly.com/question/13729904

#SPJ1

8 0
2 years ago
D (5,7) <br> E (4,3)<br> F (8,2)<br> Form the vertices of a triangle. <br> What is m
Juli2301 [7.4K]
Hehsjrjsownsirieus disowned me because
7 0
3 years ago
Anita plans to give her husband 3 shirts for his birthday. She narrows the search to 3 shirts from a selection of 17 shirts at D
Lunna [17]

Using the combination formula, it is found that she can select the shirts in 775,200 ways.

The order in which the shirt are chosen is not important, hence, the <em>combination formula</em> is used to solve this question.

Combination formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem:

  • 3 shirts from a set of 17.
  • Then, 3 shirts from a set of 20.
  • They are independent, hence, to find the total, we multiply both combinations.

T = C_{17,3} \times C_{20,3} = \frac{17!}{3!14!} \times \frac{20!}{3!17!} = 680 \times 1140 = 775200

She can select the shirts in 775,200 ways.

To learn more about the combination formula, you can check brainly.com/question/25821700

5 0
2 years ago
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