Dominic has $600 in a savings account at the beginning of the summer. He wants to have at least $100 in the account by the end o
2 answers:
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Answer:
D.Dilate circle A by a scale factor of 5.
Step-by-step explanation:
We are given that
The center of circle A is (2,8) and radius of circle A is 2.
The center of circle B is (5,4) and radius of circle B is 10.
We have to find the steps will help to show that circle A is similar to circle B.
When two circles are similar it means the size of circles can be same or different.Therefore, radius of circles will be same or different.
But, the radius of circles are different.
Dilation: It is a transformation in which obtained figure is similar to the original figure.
Shape remains same but the size of figures are different.
Ratio of corresponding sides of two figures=Scale factor
When a circle is dilated then,
Ratio of radius of circle obtained after dilation to the radius of original circle= Scale factor
Scale factor=
Hence, option D is true.
Answer:
The correct option is D) (5x − 2)(2x − 3).
Step-by-step explanation:
Consider the provided expression.
Where x is time in minutes.
We need to find the appropriate form of the expression that would reveal the time in minutes when the trough is empty.
When the trough is empty the whole expression becomes equal to 0.
Substitute the whole expression equal to 0 and solve for x that will gives us the required expression.
Now consider the provided option.
By comparison the required expression is D) (5x − 2)(2x − 3).
Hence, the correct option is D) (5x − 2)(2x − 3).