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rjkz [21]
3 years ago
8

Which of the following is the equation of a line perpendicular to the line y=-3/2x+4 passing through the points (3,9)

Mathematics
1 answer:
Luba_88 [7]3 years ago
5 0
<span>Y-y1=m(x-x1) 

Y-9 =2/3 (x-3) 

Y-9=(2/3)x - 2 

Y=(2/3)x + 7 

Heres some formulas...</span>
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Virty [35]

Answer:

=3 + 4/12 + 3/12

Step-by-step explanation:

To make 1/3 into a twelfth, you have to multiply the 3 by 4 to get 12. Whatever you do to the top you have to do to the bottom, meaning that you have to multiply 1 by 4 to get 4 on top.

To make 1/4 into a twelfth, you have to multiply the 4 by 3 to get 12. Whatever you do to the top you have to do to the bottom, meaning that you have to multiply 1 by 3 to get 3 on top.

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Step-by-step explanation:

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MAXImum [283]
4x + x = 40
5x+40
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3 years ago
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2 years ago
Given the function f (x) = x² + 8x + 7, what are the zeros of f?
lutik1710 [3]

Answer:

x = - 7, x = - 1

Step-by-step explanation:

To find the zeros let f(x) = 0 , that is

x² + 8x + 7 = 0

Consider the factors of the constant term (+ 7) which sum to give the coefficient of the x- term (+ 8)

The factors are + 7 and + 1 , since

7 × 1 = + 7 and 7 + 1 = + 8 , then

x² + 8x + 7 = 0

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Equate each factor to zero and solve for x

x + 7 = 0 ⇒ x = - 7

x + 1 = 0 ⇒ x = - 1

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2 years ago
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