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ioda
3 years ago
7

Solve 12=-r-11 i really need help

Mathematics
2 answers:
Blababa [14]3 years ago
7 0

Answer:

23

Step-by-step explanation:

Alika [10]3 years ago
6 0
R = -23
that’s the answer
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Please help me .
Margarita [4]

Answer:

(2x + 3)(x - 2)

Step-by-step explanation:

use FOIL

First, Outside, Inside, Last

2x x x = 2x²

2x x -2 = -4x

3 x x = 3x

3 x -2 = -6

2x² - 4x + 3x - 6

5 0
2 years ago
Vertex form of y=-4x^2+4x-6
AlexFokin [52]

Answer:

Step-by-step explanation:

y = -4x^2 + 4x + 6

Factor out the leading coefficient:

y = -4(x^2 - x) + 6

Complete the square:

y = -4(x^2 - x + (½)^2) + 4(½)^2 + 6

= -4(x-½)^2 + 7

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3 years ago
On average how fast did he drive in hours per mile
Sindrei [870]

Answer:

38 miles per hour

Step-by-step explanation:

<em>Simple just divide 342/9 to get 38</em>

4 0
3 years ago
Reflexive property of equality 3x-1 = __ ? geometry help? use indicated property to complete each statement help
AnnZ [28]
3×-1= -3 if u put it the other way it would will still be -3
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3 years ago
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