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Harlamova29_29 [7]
3 years ago
8

Simplify x2-9/x2+x-12

Mathematics
2 answers:
Mazyrski [523]3 years ago
7 0

Answer: (x^4 + x^3 - 12x^2 - 9 ) / x^2

Step-by-step explanation:

x^2 - 9/x^2 +x - 12

(x^2 - 9 + x^3 - 12x^2)/x^2

Finger [1]3 years ago
3 0

(x + 3) (x² - 2x - 6)

______________

             x

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:) y = (3 - x)(x + 2)​
valentina_108 [34]

Answer:

-x² + x + 6

Step-by-step explanation:

Hey there!

To solve this, you have to use foil...

( 3 - x ) ( x + 2 )

3 ( x + 2 ) = 3x + 6

-x ( x + 2 ) = -x² - 2x

3x + 6 - 2x - x²

-x² + x + 6

Hope this helps :)

8 0
3 years ago
Why is a sample of 1000 people better than a sample of 100 people?
ICE Princess25 [194]

Answer:

The more people the more results you can factor into a situation. Like testing if you tested 100 there might be a low number of people testing positive but 1000 would be better as you'd have more tested positive and more info to look at if maybe a disease if gene related.

8 0
3 years ago
Read 2 more answers
If the original price is $80 and u discount 20%, what’s the sale price?
faust18 [17]
<h2>$64 is the correct answer!</h2>

80 x 0.2 = 16

80 - 16 = 64

8 0
3 years ago
Read 2 more answers
When Plotting the point,(-4,3), which describes the movement along The x-axis and y-axis in the correct order
SpyIntel [72]
B because if x is negative you always move to the left when plotting a point and if the y is positive you’ll always move up the y-axis to plot the point
7 0
3 years ago
PLEASE HELP
Firdavs [7]
Answer: 2.25 grams

Explanation:

To find the remaining mass of an element, apply the following:

m0 = m/(2^n), where m0 is the remaining mass, m as the original mass and n as the number of half lives that have passed.

we have m, we just have to find n. To find n,

24/6 = 4 half lives have passed.

Applying the first formula,

m0 = (36)/(2^4) = 36/8 = 2.25 grams

Hope this helps, brainliest would be appreciated :)
4 0
2 years ago
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