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Tpy6a [65]
2 years ago
8

ΔCDE is reflected over the x-axis. What are the vertices of ΔC'D'E' ?

Mathematics
1 answer:
sattari [20]2 years ago
7 0

Answer:

B.

Step-by-step explanation:

When reflecting over the x-axis:

(x, y) (x, -y)

The y changes signs (+, -)

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Since the Boston marathon began in 1897, the finish time has been incrementally decreasing. The mean finish time to date is 231
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Answer:

hello your question lacks the required options but i will provide a general answer to your question

answer : The mean value  and the standard deviation would allow us use a Z-score

Step-by-step explanation:

mean value = 231 minutes

standard deviation ( std ) = 40 minutes

sample size = 40

The parameters that would be applicable while use Z-score are : The given mean value and the standard deviation

This is because the value of a z-score gives us an information on how far we are from the mean score i.e. number of standard deviations

+Zscore means that the score  is above the average value

-Zscore means that the score is below the average value

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3 years ago
Explain why the slope of a horizontal line is always zero
Monica [59]

The slope of a line is always zero because the line does not move up or down on the y-axis.

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3 years ago
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Please help I will give you brainliest
mezya [45]

Answer:

Answer is 5 3/4

Step-by-step explanation:

Thanks Hope this helps

5 0
2 years ago
Joe is responsible for reserving hotel rooms for a company trip. His company changes plans and increases how many people are goi
AURORKA [14]

Answer:

<h2>He is going to pay 40*900= $36000 for the reservation</h2>

Step-by-step explanation:

Step one:

We are told that they need at least 50 total rooms.

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Required

The Number of blocks Joe need to reserve in addition is 34/8

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<u>He is going to pay 40*900= $36000 for the reservation</u>

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2 years ago
CAN SOMEONE HELP ASAP!! Please!
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Im sorry Im not that good at geometry. 
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