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12345 [234]
3 years ago
14

HELP FAST PLEASE MARKING BRAINLIEST AND GIVING LOTS OF POINTS!!!

Mathematics
2 answers:
maks197457 [2]3 years ago
8 0

the answer is log((x-2)^2)


andreev551 [17]3 years ago
4 0

Answer:

log [(x - 2)^2 ] 

Step-by-step explanation:

3 log(x - 2) + log (x + 2) - log (x^2 - 4)

= log (x - 2)^3 + log ( x + 2) - log (x^2 - 4)

= log [ (x - 2)^3 (x + 2) / (x^2 - 4) ]

= log (x - 2)^3 (x + 2) / (x - 2)(x + 2)]

= log [(x - 2)^2 ] 

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A square piece of paper has an area of x2 square units. A
Dmitry_Shevchenko [17]

Answer:

Length of rectangular strip = 12

area of rectangular strip =   2*12 = 24

Area of square =  x^2 = 12^2 = 144

Step-by-step explanation:

Area of square x^2

area of rectangle is given by length * width

Length of rectangular strip = x

width of rectangular strip = 2

area of rectangular strip =  length * width = 2*x = 2x

Area of square piece of paper when  rectangular strip is taken away from it

= Area of square - area of rectangular strip

= x^2 -2x

It is given that Area of square piece of paper when  rectangular strip is taken away from it is 120 square units.

Thus,

x^2 -2x = 120\\=> x^2 -2x -120 = 0\\=> x^2 -12x +10x-120\\=> x(x-12) +10(x-12)\\=> (x+10)(x-12) = 0\\\\

Thus,

either x+10 = 0 or x -12= 0

x = -10 or x = 12

but length cannot  be negative hence neglecting x = -10

hence value of x is 12.

Hence,

Length of rectangular strip = 12

area of rectangular strip =   2*12 = 24

Area of square =  x^2 = 12^2 = 144

5 0
3 years ago
What should be added to 7 4/15 to get 8 2/5​
STALIN [3.7K]
Answer:
1 2/15
Explanation:
8 2/5 - 7 4/15 = ?
First convert the mixed numbers into improper fractions:
42/5 - 109/15 = ?

7 0
2 years ago
If f(x) = - x + 4 and g(x) = x ^ 2 - 5 , then f(g(-2))=?
kkurt [141]

Answer:

Step-by-step explanation:

using your f(x) I want to show you how to plug in different things itnot he function.

f(x) = -x + 4

f(1) = -1 + 4 = 3

f(2) = -2 + 4 = 2

f(m) = -m + 4

f(abc) = -(abc) + 4

f(h(x)) = -h(x) + 4

Does that help?  what if you replaced h(x) with g(x)?  Of course you already have that x so you could make it a little simpler as well.  Let me know if you don't quite get it.

5 0
3 years ago
What percent of 97 is 11?
saveliy_v [14]
97% of 11 is:

 Answer:10.67
5 0
3 years ago
Suppose f(x)=x^2+3 and g(x)=x-2 find (f-g)(x
SSSSS [86.1K]

Answer:

x^2-x+5

Step-by-step explanation:

(f-g)(x)=f(x)-g(x)

= (x^2 + 3) - (x - 2)   (Don’t forget the -1 multiplies to the x AND -2

= x^2 + 3 - x + 2

=x^2-x+5

6 0
3 years ago
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