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Serhud [2]
4 years ago
5

Which factor do 9x2 – 12x + 4 and 9x^2 – 4 have in common?

Mathematics
1 answer:
labwork [276]4 years ago
8 0

Answer:

3x-2

Step-by-step explanation:

9x^{2} -12x+4 can be factored using the perfect square rule into (3x-2)^{2}

and

9x^{2}-4 can be factored by using the difference of squares formula into (3x+2)(3x-2)

Both can be factored by (3x-2) so it is a common factor.

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From the set {1, 3, 4}, use substitution to determine which value of x makes the equation true.
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30 - 2x= 22

-2x = 22 - 30

-2x = -8

(dived both sides by -2)

x= 4

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3 years ago
In a survey of more than 4000 people, 91% of
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.91 times 4000=3640 people prefer Pedro’s

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3 years ago
At a local grocery store, bananas were on sale. Green bananas were priced at $14.00 and yellow bananas were priced at $12.00. Sa
garri49 [273]

Answer:

Sabrina bought 6 yellow bananas and 3 green bananas

Step-by-step explanation:

Let

Green bananas = x

Yellow bananas = y

Green bananas = $14.00

Yellow bananas = $12.00

Total cost = $114.00

x + y = 9 (1)

14x + 12y = 114 (2)

From (1)

x = 9 - y

Substitute x = 9 - y into (2)

14(9 - y) + 12y = 114

126 - 14y + 12y = 114

- 14y + 12y = 114 - 126

-2y = -12

Divide both sides by -2

y = -12 / -2

= 6

y = 6

Substitute y = 6 into (1)

x + y = 9

x + 6 = 9

x = 9 - 6

= 3

x = 3

Sabrina bought 6 yellow bananas and 3 green bananas

3 0
3 years ago
What is 6/4 + 2/3 ? Im not very good at math so I need some help
makvit [3.9K]

Step-by-step explanation:

6/4 + 2/3 (taking LCM between denominators)

=> 6*3/4*3 + 2*4/3*4

=> 18/12 + 8/12

=> (18 + 8)/12

=> 26/12

=> 13/6

4 0
3 years ago
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