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3 years ago

7x+4y=20 point slope form

Mathematics

1 answer:

miskamm [114]3 years ago

4 0

Answer:

y = $-\frac{7}{4}x$ + 5

Step-by-step explanation:

So here we have to put it in y = mx + b form;

7x + 4y = 20

Subtract 7x from both sides;

4y = -7x + 20

Divide both sides by 4;

y = $-\frac{7}{4}x$ + 5

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Question number 4 please help

Korvikt [17]

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2 years ago

If a is an integer, prove that (14a + 3, 21a + 4) = 1.

Firdavs [7]

Answer:

(14a+3, 21+4) = 1

Step-by-step explanation:

We are going to use the Euclidean Algorithm to prove that these two integers have a gcd of 1.

gcd (14a + 3, 21a + 4) = gcd (14a+3, 7a + 1) = gcd (1, 7a+1) = 1

Therefore,

(14a + 3, 21a + 4) = 1

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2 years ago

How are the solutions to the following two equations related m+5=72 <br> m+72=5

EastWind [94]

To see how they are related, let us solve the two equations.

FIRST EQUATION

$m + 5 = 72$

$\rightarrow \: m = 72 - 5$

$\rightarrow \: m = 67$

SECOND EQUATION

$m + 72 = 5$

$\rightarrow \: m = 5 - 72$

$\rightarrow \: m = - 67$

Hence the solutions to the two equations are ADDITIVE INVERSE of each other.

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3 years ago

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marshall27 [118]

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