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Harlamova29_29 [7]
3 years ago
6

Eleanor was curious if triangles DEF and GHI were similar, so he tried to map one figure onto the other using rigid transformati

ons Eleanor concluded "It's not possible to map triangle DEF on GHI using a sequence of rigid transformations, so the triangles are not similar.
What error did Eleanor make in her decision?
A. One more transformation- a rotation- would map triangle DEF onto GHI. So the triangles are similar
B. One more transformation- a dilation- would map triangle DEF onto GHI. So the triangles are similar.
C. There is no error. This is a correct conclusion

Mathematics
2 answers:
bixtya [17]3 years ago
7 0

Answer:

Step-by-step explanation:

Fiesta28 [93]3 years ago
4 0

Answer:B

Step-by-step explanation:

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Answer:

Read step by step explanation

Step-by-step explanation:

The owner already knows that the limit for the average time delivered pizzas is 38 minutes. So we conclude

1.-The resulting mean from sample data ( x ) ( 27 customers) need to be smaller than 38 minutes, any value of sample above 38 minutes means more time for the delivery action and will indicate a failure for the future project

2.-As sample size is smaller than 30 the test has to be  t-student one tail test to the left

Test hypothesis

Null hypothesis                       H₀                  x  = 38

Alternative hypothesis           Hₐ                  x  <  38

We should test at a significance level α  = 0,05       (α = 5%)

If the result of the test is to accept  H₀  delivery project won´t be implemented, if on the other hand, H₀ is rejected then in the condition of the alternative hypothesis we accept Hₐ the sample indicates that we have a smaller average time than 38 minutes.

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2 years ago
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kramer

The right answer is 118.

Look at the attached picture

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Answer:

The answer to your question is letter B

Step-by-step explanation:

Process

1.- Write the equation

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find f(2)

2.- Substitute x for 2

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3.- Simplify

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