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Dmitry [639]
3 years ago
9

What do the following two equations represent?

Mathematics
1 answer:
klio [65]3 years ago
8 0

Answer:

perpendicular lines

Step-by-step explanation:

when the two equation are written in slope intercept form:

y = -4x -7

y = 1/4x -2

the slopes are opposite reciprocals which means they are perpendicular

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Step-by-step explanation:

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<<<Emily>>>

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A GROUP OF STATISTICS STUDENTS DECIDED TO CONDUCT A SURVEY AT THEIR UNIVERSITY TO FIND THE AVERAGE (MEAN) AMOUNT OF TIME STUDENT
Kay [80]

Answer: Option 'c' is correct.

Step-by-step explanation:

Since we have given that

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At 99% level of confidence, z = 2.58

So, interval would be

\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=22.3\pm 2.58\times \dfrac{6}{\sqrt{240}}\\\\=22.3\pm 0.99\\\\=(22.3-0.99,22.3+0.99)\\\\=(21.31,23.29)

Hence, Option 'c' is correct.

3 0
3 years ago
Can someone help me with this? I literally cant think today. ;-; Thanks if you answer it correctly. ಥ‿ಥ
AleksandrR [38]

Answer:

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Step-by-step explanation:

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(Slope= rise/run)

So you rise 300 times (Since half of 600 is 300) then you run 1 time which is 300/1 which is 300

4 0
3 years ago
Lucita does the division problem 3.302 ÷ -1.27, and gets -0.026. She doesn't understand this result because she had estimated th
vladimir2022 [97]

Answer:

jhuhb

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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