3 years ago

A line with a slope of 2 passes through (3,9). Which choice is an equation of this line?

Mathematics

1 answer:

Veronika [31]3 years ago

6 0

Answer:

The answer to your question is number 3.

Step-by-step explanation:

Data

slope = m = 2

Point = (3, 9)

Process

1.- Write the equation of the line in the form point-slope

y - y1 = m(x - x1)

2.- Identify the values of x1 and y1

x1 = 3 y1 = 9

3.- Substitution

y - 9 = 2(x - 3)

4.- Simplify

y - 9 = 2x - 6

y = 2x - 6 + 9

5.- Result

y = 2x + 3 slope y-intercept form

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First integer = x

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Third integer = x + 4

Since four times the first integer equals six more than the product of two and the third integer.

4x = 6 + 2(x + 4)

4x = 6 + 2x + 8

2x = 14

x = 7.

Hence,

First integer = x = 7

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Third integer = x + 4 = 7 + 4 = 11.

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Read 2 more answers

63% of what number is 252

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Answer:

We have, 63% × x = 252

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