Answer:
Step-by-step explanation:
-2/7x -5 =13
-2/7x = 13 + 5 = 18
x = 18 (-2/7)
x = -5.14
Answer:
ABCD dilates in a scale of 1/3 by the center of A followed by a reflection of C.
AD/AD = 1/3
Step-by-step explanation:
<h2>
Answer: </h2><h3><u>
Part A:</u>
43%</h3>
<u>Part B:</u> 65
<h2>
Step-by-step explanation:</h2>
<u>Part A:</u> Since there are 30 students of the class and 17 are boys, there are 13 girls. 13/30 = 43.33 = 43%.
<u>Part B:</u> Since 43% of the class are girls, we do 150*0.43 for the whole 7th grade which is 64.5 which I rounded to 65.
Note that rotation will not affect the shape and size of an object.
Rotation with respect to a point preserves the corresponding sides and the corresponding angles of the original image.
Hence, the statements
The corresponding angle measurements in each triangle between the pre-image and the image are preserved and
The corresponding lengths, from the point of rotation, between the pre-image and the image are preserved
are true.
