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Goshia [24]
2 years ago
14

Last question before class ends. Will give 20pts for help!

Mathematics
2 answers:
Murrr4er [49]2 years ago
4 0

Answer:

K is 9 and A is 7 im not sure if im right or not.

step-by-step explanation:

Ivanshal [37]2 years ago
3 0

Answer:

k = 8.5

a = 26

Step-by-step explanation:

triangle DEF is dilated by 2 of triangle PQR

so 13 x 2 is 26

and 17/2 is 8.5

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A. 10.82

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3 years ago
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A rectangle has a width of 9 inches. The area of the rectangle is 648 square inches. What is the length, in inches, of the recta
Ivan

Answer:

The length is 72

Step-by-step explanation:

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7 0
3 years ago
Andrea has 3 tiles. One is a regular octagon, one is a regular pentagon and one is a regular hexagon. Andrea thinks the 3 tiles
HACTEHA [7]

From calculations, we can say that the given tiles will not fit together perfectly.

<h3>How to find the sum of interior angles of a Polygon?</h3>

If the tiles join perfectly at a point, sum of all angles around the joining point should be 360°.

Expression for the measure of the interior angle of a polygon,

Interior angle of a polygon = [(n - 2) * 180]/n

Interior angle of a pentagon = [(5 - 2) * 180]/5 = 108°

Interior angle of a hexagon = [(6 - 2) * 180]/6 = 120°

Interior angle of an octagon = [(8 - 2) * 180]/8 = 135°

To prove that the given tiles fit together perfectly → Sum of all the angles around the common point should be 360°

Sum of all interior angles = 108° + 120° + 135° = 363°

Therefore, given tiles will not fit together perfectly.

Read more about Interior angles of a Polygon at; brainly.com/question/224658

#SPJ1

4 0
2 years ago
Find the sum of the squared residuals for each potential line of fit, and then determine which potential line is the true line o
Paul [167]

Answer:

.163

Step-by-step explanation:

not sure what so ever that is a hard question

3 0
3 years ago
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