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algol13
2 years ago
6

I need help please!

Mathematics
1 answer:
den301095 [7]2 years ago
3 0

9514 1404 393

Answer:

  f(g(x)) = 2/(x^2 +4x)

Step-by-step explanation:

  (f\circ g)(x)=f(g(x))\\\\(f\circ g)(x)=f(x+2)=\dfrac{2}{(x+2)^2-4}\\\\(f\circ g)(x)=\dfrac{2}{x^2+4x+4-4}\\\\\boxed{(f\circ g)(x)=\dfrac{2}{x^2+4x}}

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Helppppppp pleaseeeeee
Dahasolnce [82]

Step-by-step explanation:

The area, A, in square yards, of a rectangular garden, is given by the function.

A(x)=-2x^2+30x

We know that, the area of the rectangle is given by :

A=l\times b

Where l is length and b is breadth

A=-2x^2+30x\\\\A=2x\times (-x+15)

Length = 2x

Breadth = (15-x)

For zeoes,

2x\times (-x+15)=0\\\\x=15

Length = 15 yards

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Hence, this is the required solution.

4 0
3 years ago
At Glenridge High School, 20 percent of the
Makovka662 [10]

Answer:

40 percent

Step-by-step explanation:

60 - 20 = 40

Reasoning: The amount of seniors that attended was 20 percent, so 60 (total students) percent minus 20 percent is equal to 40 percent.

Hope this helps!

3 0
3 years ago
X^{2} +(3a+4b)x+(2a^{2} +5ab+3b^{2} )
kupik [55]

Answer:

∣x+a+b∣∣x+2a+3b∣

Step-by-step explanation:

∣x+a+b∣∣x+2a+3b∣

4 0
3 years ago
John wants to fence in a portion of his backyard. ... How many feet of fencing does john need to buy to enclose this area? ... H
Lelechka [254]
For this problem you need to find the area.
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= (25 × 5) / (2 × 2)

= 125/4

= 125/4

<span>= 31 1/4

So you know that the area is 31 1/4 yards. 
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3 0
3 years ago
Sort each characteristic into the category where it fits best.
4vir4ik [10]

Answer: Buying: fairly constant payment, will build equity, require maintenance cost.

Renting: not build equit, cost less, increasing payments

Step-by-step explanation:

7 0
3 years ago
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