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dlinn [17]
3 years ago
7

Find the value of X

Mathematics
1 answer:
geniusboy [140]3 years ago
8 0
Here, angle (3x-1) is supplementary with 5x, so their sum would be equal to 180

3x - 1 + 5x = 180
8x = 180 + 1
x = 181/8
x = 22.625

Hope this helps!
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Case study
stepladder [879]

Given:

The data set is

21, 16, 30, 15, 16, 18, 10, 24, 26, 20, 19, 24, 24, 25, 23

10, 15, 16, 16, 18, 19, 20, 21, 23, 24, 24, 24, 25, 26, 30

To find:

The range, average and median for the given data set.

Solution:

Arrange the data set in ascending order.

10, 15, 16, 16, 18, 19, 20, 21, 23, 24, 24, 24, 25, 26, 30

(1)

Range = Maximum value - Minimum value

           = 30 - 10

           = 20

Therefore, the range of the given data set is 20. All the options are incorrect.

(2)

Average=\dfrac{\text{Sum of all observations}}{\text{Number of observations}}

Average=\dfrac{311}{15}

Average\approx 20.73

Therefore, the average score is about 20.73. All the options are incorrect.

(3)

Number of observations = 15, which is odd.

Median=\dfrac{n+1}{2}\text{th term}

Median=\dfrac{15+1}{2}\text{th term}

Median=\dfrac{16}{2}\text{th term}

Median=8\text{th term}

In the arranged data set 8th term is 21.

Median=21

Therefore, the correct option is b.

7 0
3 years ago
What is 732÷42 in rounding form?
Inessa [10]

732 ÷ 42 = 17.42857143

Rounding up the answer to nearest whole number gives 17

5 0
3 years ago
Read 2 more answers
Very lost on this one! Anyone know?
Marizza181 [45]

Answer:

60

Step-by-step explanation:

In this case, all of the sides are equal. All sides should add up to 180 degrees.

x+x+x=180

180/3= 60

3 0
3 years ago
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lidiya [134]
Move the decimal places, the answer is 6.7 x 10^6
3 0
3 years ago
A contractor bought 10.8 ft squared of sheet metal. has used 2.1 ft squared so far and has ​$139.20 worth of sheet metal remaini
Anuta_ua [19.1K]

Answer:

7.1

Step-by-step explanation:

5 0
2 years ago
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