Answer:
Step-by-step explanation:
- √20 - √5 + √45 =
- 2√5 - √5 + 3√5 =
- (2 - 1 + 3)√5 =
- 4√5
Correct choice is D
Given:
The figure shows the letter Z and four of its transformed images—A, B, C, and D.
To find:
Which of the following rules will transform the pre-image of Z in quadrant 2 into its image in quadrant 1?
Solution:
From the figure it is clear that the pre-image of Z in quadrant 2 and its image in quadrant 1 (image A) are the mirror image of each other along the y-axis.
It means the pre-image of Z in quadrant 2 reflected across the y-axis to get the image in quadrant 1.
If a figure reflected across the y-axis, then rule of transformation is

So, the rule
transform the pre-image of Z in quadrant 2 into its image in quadrant 1.
Therefore, the correct option is c.
Answer: 3,4,5
Step-by-step explanation: a squared + b squared = c squared
A -> 3 squared is 9
B -> 4 squared is 16
9+16 is 25, so C has to be 25
C -> 5 squared is 25
So 3, 4, 5
Answer:
For number 5, it is vertical angles. For number 6, it is complementary angles. For number 7, it is supplementary angles. Lastly, for number 8, it is supplementary angles.