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dimulka [17.4K]
3 years ago
9

PLEASE I NEED HELP URGENT I Will MARKE YOU BRAIN LIST​

Mathematics
1 answer:
navik [9.2K]3 years ago
6 0

Answer:

1) \frac{1}{(x - 3)(x + 2)}  +  \frac{3}{(x + 2)(4 - x)}  +  \frac{2}{(x - 3)(x - 4)}  \\  \\  =  \frac{x - 4}{(x - 3)(x + 2)(x - 4)}  -  \frac{3(x -  3)}{(x - 4)(x + 2)(x - 3)} +  \frac{2(x + 2)}{(x + 2)(x - 3)(x - 4)} \\  \\  =  \frac{x - 4  - 3x + 9 + 2x + 4}{(x - 3)(x - 4)(x + 2)}  \\  \\  =  \frac{9}{(x  +  2)(x - 3)(x - 4)}

2) \frac{2}{(x - 2)(x - 3)}  +  \frac{2}{(x - 1)(3 - x)}  +  \frac{1}{(1 - x)(2 - x)}  \\  \\  =  \frac{2(x - 1)}{(x - 1)(x - 2)(x - 3)}  -  \frac{2(x - 2)}{(x - 1)(x - 2)(x - 3)} +  \frac{x - 3}{(x - 1)(x - 2)(x - 3)}  \\  \\  =  \frac{2x - 2 - 2x + 4 + x - 3}{(x - 1)(x  -2)(x - 3)}  \\  \\  =  \frac{x - 1}{(x - 1)(x - 2)(x - 3)}  \\  \\  =  \frac{1}{(x - 2)(x - 3)}

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P(x)=x-3<br> g(x) = 2x-5<br> Find the following.<br> (p ° q)(5)= and (q ° p)(5)=
deff fn [24]

Answer:

  (p∘q)(5) = 2

  (q∘p)(5) = -1

Step-by-step explanation:

The composition of functions can be written a little differently, perhaps making it easier to understand.

  (p∘q)(x) = p(q(x))

  (p∘q)(5) = p(q(5)) = p(2·5 -5) = p(5) = 5 -3

  (p∘q)(5) = 2

__

  (q∘p)(5) = q(p(5)) = q(2) = 2·2 -5

  (q∘p)(5) = -1

8 0
3 years ago
Convert 5.6 m into centimeters.<br> Show work.
Nata [24]

Answer:

560 cm

Step-by-step explanation:

Step 1: Find conversion

1 m = 100 cm

Step 2: Convert

5.6 m · 100 cm/m = 560 cm

6 0
4 years ago
Read 2 more answers
ANSWER FAST ILL GIVE BRAINLIEST!!
Dominik [7]

Given:

A square base pyramid whose base length is 10 in. and height of triangular surface is 4 in.

To find:

The surface area of the pyramid to the nearest whole number.

Solution:

A square base pyramid contains square base with edge 10 in. and 4 congruent triangles with base 10 in. and height 4 in.

Area of a square is

A_1=(edge)^2

A_1=(10)^2

A_1=100

So, area of square base is 100 sq. in.

Area of a triangle is

A_2=\dfrac{1}{2}\times base\times height

A_2=\dfrac{1}{2}\times 10\times 4

A_2=20

So, area of each triangular surface is 20 sq. in.

Now, the total surface area of the pyramid is

Total area = Area of square base + Area of 4 congruent triangles.

A=A_1+4\times A_2

A=100+4\times 20

A=100+80

A=180

Therefore, the area of the pyramid is 180 sq. in.

5 0
3 years ago
Simplify the expression below. -15r + 3(2s - 4r)
Sergio039 [100]
<span>-15r + 3(2s - 4r)
=</span><span>-15r + 6s - 12r
= -27r + 6s
   or
= 6s - 27r</span>
5 0
3 years ago
2x − 4y = 40,<br> −x + 2y = −20<br><br> Find x and y intercept
Basile [38]

Answer:

The x and y intercept are (20,0)

Step-by-step explanation:

2x-4y=40—eqn1

-x+2y=-20—eqn2

Make x the subject of eqn2

-x=-20-2y

x=20+2y

plug this into eqn 1

2(20+2y)+4y=40

40+4y+4y=40

8y=40-40

y=0

plug y=0 into eqn2

-x+2(0)=-20

-x=-20

x=20

8 0
2 years ago
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