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Lady_Fox [76]
3 years ago
8

What is the sum of 7x/(x^2-4) and 2/(x+2)​

Mathematics
2 answers:
pishuonlain [190]3 years ago
8 0

Answer:  9x - 4 / x^2 - 4

Step-by-step explanation:

ioda3 years ago
7 0

Answer:

The answer is 9x-4/(x+2)(x-2)

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-3x(x+8)+x+2(9-x-x^2) please show solving steps
Flauer [41]

Answer:

-5x^2 - 25x + 18

Step-by-step explanation:

-3x ( x + 8 ) + x + 2 ( 9 - x - x^2 )  ( original equation )

-3x^2 - 24x + x + 18 - 2x - 2x^2   ( distribute )

-3x^2 - 2x^2 - 24x + x - 2x + 18   ( order them based on the variables . )

( -3x^2 - 2x^2 ) (- 24x + x - 2x ) ( + 18 )    ( just separated them not a part of solving !! )

-5x^2 - 25x + 18    ( solved , and the answer :) )

Hope its helps !!!

4 0
3 years ago
Please help me find x. I really don't get it.
inysia [295]

Answer:

  x = 11

Step-by-step explanation:

The relationship between the sine and cosine functions can be written as ...

  sin(x) = cos(90 -x)

  sin(A) = cos(90 -A) = cos(B) . . . . substituting the given values

Equating arguments of the cosine function, we have ...

 90 -(3x+4) = 8x -35

  86 -3x = 8x -35

  86 +35 = 8x +3x . . . . . add 3x+35 to both sides

  121 = 11x . . . . . . . . . . . . collect terms

  121/11 = x = 11 . . . . . . . . divide by 11

_____

<em>Comment on the solution</em>

There are other applicable relationships between sine and cosine as well. The result is that there are many solutions to this equation. One set is ...

  11 +(32 8/11)k . . . for any integer k

Another set is ...

  61.8 +72k . . . . . for any integer k

3 0
3 years ago
How many seconds are in 35 min
GenaCL600 [577]

Answer:

2100

Step-by-step explanation:

Key: there are 60 secondes in a minute

60x35= 2100

3 0
3 years ago
Read 2 more answers
If HI is not parallel to JK, what is m
dsp73

Answer:

no coco concho kicks sub chick lux 8jzjxjfxktx

5 0
3 years ago
If an article was bought for £400 and was sold for £336 what is the loss persentages
Gre4nikov [31]

Answer:

Hey mate!

Here is your answer > >

C.P of an article=Rs.400

S.P.of an article=Rs.336

C.P.> S.P., there is a loss

Loss=C.P.-S.P.

=> Loss=400-336

=Rs.64

Loss%=Loss/C.P.×100

=64/400×100

=16%

Hope it helps!

Thankyou ☆ ☆

8 0
3 years ago
Read 2 more answers
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