Answer:
Their unit rate was 1 2/5 miles per hour.
The correct answer is: "two-fifths over two-sevenths equals one and two-fifths miles per hour
Step-by-step explanation:
Given:
The scale factor between two circles is
.
To find:
The ratio of their areas.
Solution:
We know that, all circles are similar.
The ratio of the areas of similar figures is equal to the ratio of squares of their corresponding sides or equal to the square of ratio of their corresponding sides.
The scale factor is the ratio of the corresponding sides.
Ratio of areas of circles = Square of scale factor between two circles



Therefore, the correct option is D.
False, counter example is 15
Answer: 159
Step-by-step explanation: 53x3
Answer:
False
Step-by-step explanation:
15 is 3 times 2 while 75 is 15 times 5