Whats the answer pls

Mathematics

1 answer:

Svetllana [295]2 years ago

7 0

Answer:

$y-1=5x+20$

Step-by-step explanation:

First we find the slope:

$\frac{1+9}{-4+6} = \frac{10}{2} = 5$

Then we substitute:

$y-1=5(x+4)\\y-1=5x+20\\$

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Choose the solution set represented by the following graph.

olga55 [171]

Answer:

The solution set represented by the following graph is:

{x | x∈ R, x < -2}

Step-by-step explanation:

Clearly from the figure we could see that the solution set is to the left of ' -2' and excluding the point '-2' since there is a open circle at -2.

This means that -2 is not included in the set.

Also in interval; form the set of points that belong to the solution set are:

(-∞,-2)

in set-builder form it is written as:

{x | x∈ R, x < -2}

8 0

3 years ago

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Find the indicated critical z value. Find zα/2 for α = 0.08

snow_lady [41]

Refer to the diagram shown below.
The value of z that yields the expected central area takes into account the excluded areas at both tails.

Half the tail area is α/2 = 0.08/2 = 0.04.
The central area is 1 - 0.04 - 0.04 = 0.92.

From standard normal tables, obtain
z(α/2) = 1.75

Answer: 1.75