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3 years ago

How to find the vau;e of Y

Mathematics

1 answer:

MrMuchimi3 years ago

8 0

$\tt\color{red}•••••••••••••••••••••••••••••••••••••••••••••$

<h2>find the value of Y</h2>

first Review the equation for the slope of a line.

example

m = [y1 - y2] / [x1 - x2]

using x you can also find the value of Y for the slope

$\tt \color{hotpink}hope \: \: it \: \: helps~$

<h2 />

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The average of five numbers is 27. Four of the five numbers are 48, 8, 43, and 10. What is the other number?

jarptica [38.1K]

Look at the attached picture

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3 years ago

This table gives a few (x,y)(x,y)left parenthesis, x, comma, y, right parenthesis pairs of a line in the coordinate plane. -28 -

Serhud [2]

Answer:

The y-intercept is y = 2

Step-by-step explanation:

A linear function has the following format:

$y = mx + b$

In which m is the slope and b is the y-intercept, which is the value of y when x = 0.

We are given these three points:

(-28, -54)

(-21, -40)

(-14, -26)

We use two of them to build a system, to find values for m and b.

(-28, -54)

This means that when $x = -28, y = -54$

$y = mx + b$

$-54 = -28m + b$

$28m = b + 54$

$m = \frac{b + 54}{28}$

(-21, -40)

This means that when $x = -21, y = -40$

$y = mx + b$

$-40 = -21m + b$

$-40 = -21\frac{b + 54}{28} + b$

$-40 = \frac{-21b - 1134 + 28b}{28}$

$7b - 1134 = -40*28$

$7b = 14$

$b = \frac{14}{7}$

$b = 2$

The y-intercept is y = 2

7 0

3 years ago

Determine domain of the graph

Nutka1998 [239]

Answer: -7 less than or equal to x less than or equal to 5

Step-by-step explanation:

It start at -7 and end at 5 which is the x axis

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2 years ago

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the answer is 5/8 :)

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3 years ago

Read 2 more answers

Please help 1 2 5 100

Radda [10]

Answer:

5 sec

Step-by-step explanation:

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7 0

3 years ago