Which term best describes the set of all points in a plane that are a certain distance from a single point ?
2 answers:
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Answer: The correct option is A.
Explanation:
From the given figure it is noticed that each box in the graph represents the length of 2 units. The coordinates of point A,B and C are (-1,1),(-3,3) and (-2,4) respectively.
If a point reflects over the y-axis then,
So after reflecting coordinates of point C become,
If a point translated by (a,b), then
So, after reflection over y-axis followed by translation by (2,-2), the coordinate of C are,
Similarly the image of point A and B are (3,-1) and (5,1) respectively.
The image of C after reflection over y-axis followed by translation by (2,-2) is (4,2), which is shown in only graph A, Therefore A is the correct option.
Answer:
The new ratio is ⇒ (D)
Step-by-step explanation:
<em>The given information is</em>
- 6 parts of yellow paint with 3 parts of blue paints to make green paint
- The yellow paint adds by 1 part
We need to find the ratio of yellow to blue
<em>Let us find the correct answer</em>
∵ The yellow = 6 parts
∵ The yellow adds by 1 part
∴ The yellow = 6 parts + 1 parts = 7 parts
∵ The blue = 3 parts
∵ The ratio of yellow to blue =
∴ The ratio of yellow to blue =
The new ratio is