What is the value of x in the diagram ?

Mathematics

2 answers:

Nina [5.8K]2 years ago

7 0

Answer:

A. 110

Step-by-step explanation:

By intersecting chords theorem:

$x\degree = \frac{1}{2} (148\degree + 72\degree ) \\ \\ x \degree = \frac{1}{2} \times 220\degree \\ \\ x\degree = 110\degree \\\\x = 110$

EleoNora [17]2 years ago

3 0

159 no way u can beat this

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Another bowler, Ryan Shafer, has a mean absolute deviation of 5. Based on the mean absolute deviation of Norm Duke, who has been

Wewaii [24]

Answer:

Ryan is a more consistent performer

Step-by-step explanation:

The complete question is

HEL 1. Shown are the final scores for Norm Duke in the past eight bowling tournaments.

299, 281, 285, 269, 280, 269, 286, 287

Part A: What is the mean absolute deviation of Norm Duke’s scores?

7.50

7.00

7.25

6.75

Part B: Based on the mean absolute deviation from Part A, who has been the more consistent bowler if Ryan Shafer has a mean absolute deviation of 7?

Solution

First we will find the mean deviation of Duke is 7.5

The standard deviation of Ryan is 7.0. This means that the average variation in case of Duke is higher than that of average variation of Ryan.

Hence, Ryan has been more consistent performer

4 0

2 years ago

PLEASE HELP ASAP

Svetradugi [14.3K]

The area ratio is 1:16 meaning that the old area is 1 while the new area is 16. So this is another way of saying "the area is multiplied by 16"

Take the square root of each part of the ratio of 1:16 and we get 1:4

So this is the scale factor. It tells us how the linear components of the circles relate to one another. If the circumference of the smaller circle is 1,then the larger circle has a circumference of 4.

Therefore, the circumference has been multiplied by 4

4 0

2 years ago

NEED TO BE DONE ASAP!! Plz

Arte-miy333 [17]

Answer:

Step-by-step explanation:

8 - 72

x - 360

$\frac{360 \times 8}{72} = 40$