Rachel offers to go to the bakery to buy cookies and cupcakes
1 answer:
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Answer:
The correct option is 4.
Step-by-step explanation:
If a figure it dilated by scale factor k, then the image and preimage are similar figures and their corresponding sides are proportional.
In triangle I, the base of the triangle is 1 unit and length of the perpendicular is 1 units.
In triangle II, the base of the triangle is 1 unit and length of the perpendicular is 2 units.
The corresponding sides are not proportional. It means both triangles are not similar. So, there is no dilation transforming triangle I into triangle II.
Therefore the correct option is 4.
Answer with explanation:
Given : Sample mean =
Standard deviation :
Sample size : n = 36
Claim :
∴
Since the alternative hypothesis is two tail , then the test is two tail test.
By using a z statistic and a 0.05 level of significance. Reject if z < -1.960 or is z> 1.960.
Then , the test static for population mean is given by :-
We reject since
. We have statistically significant evidence at
to show that the mean amount of garbage per bin is not different from 50.
Circumference of Circle 1 is 50.24 inches and Circumference of Circle 2 is 25.12 inches
Step-by-step explanation:
Radius of circle 1 = 8 inches
Radius of circle 2 = 4 inches
We need to find circumference of both circles.
The formula used to find the value of circumference is:
Finding Circumference of Circle 1:
Radius = 8 inches
π = 3.14
Putting values and finding circumference
Finding Circumference of Circle 2:
Radius = 4 inches
π = 3.14
Putting values and finding circumference
So, Circumference of Circle 1 is 50.24 inches and Circumference of Circle 2 is 25.12 inches
Keywords: Circumference of Circle
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