2 years ago

What is the solution to the system of equations

Mathematics

1 answer:

Lynna [10]2 years ago

3 0

Answer:

A person standing on a moving walkway travels 60 feet in 20 seconds. What equation represents this relationship? How many feet will person travel 10 seconds?

Step-by-step explanation:

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3 years ago

The mean of a set of data is -3.82 and its standard deviation is 2.31. Find the z score for a value of 3.99.

gtnhenbr [62]

Answer:

The z- score for a value of 3.99 will be 3.38.

Step-by-step explanation:

It is given that the mean of a set of data is -3.82 and its standard deviation is 2.31.

Thus, the value of the z-score= $\frac{value-mean}{standarddeviation}$

= $\frac{3.99-(-3.82)}{2.31}$

= $\frac{3.99+3.82}{2.31}$

= $\frac{7.81}{2.31}$

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Thus, the z- score for a value of 3.99 will be 3.38.

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2 years ago

What is the solution to the system of equations​

What is the solution to the system of equations