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Anit [1.1K]
2 years ago
7

I need help please good people ​

Mathematics
1 answer:
mel-nik [20]2 years ago
3 0

Answer:

x/x+3

Step-by-step explanation:

first off, we start by factorizing.

we start with the numerator  taking x out making it x (x-3) / x^2 - 9

then we factorize the denominator a bit more...making it x (x-3) /  (x-3) (x+3)

as you can tell there is a (x-3) on both sides. so we can cross them out.

x/x+3 is left. try it yourself again so you can understand other questions like this! I hope I could help!

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M(x) = 2.50x and the cost c(x) = 0.5x + 40
ololo11 [35]

Answer: It is c i just got it right

Step-by-step explanation:

3 0
3 years ago
A circular tablecloth has a diameter of 70 inches. Max wants to add a decorative fabric around the edge of the tablecloth.Approx
JulijaS [17]

Answer:

219.8

Step-by-step explanation:

you multiply 70 and 3.14 and get 219.8

5 0
1 year ago
Find the intervals on which the function is increasing or decreasing.
Assoli18 [71]
To solve this, you have to know that the first derivative of a function is its slope. When an interval is increasing, it has a positive slope. Thus, we are trying to solve for when the first derivative of a function is positive/negative.

f(x)=2x^3+6x^2-18x+2
f'(x)=6x^2+12x-18
f'(x)=6(x^2+2x-3)
f'(x)=6(x+3)(x-1)
So the zeroes of f'(x) are at x=1, x=-3
Because there is no multiplicity, when the function passes a zero, he y value is changing signs.
Since f'(0)=-18, intervals -3<x<1 is decreasing(because -3<0<1)
Thus, every other portion of the graph is increasing.
Therefore, you get:

Increasing: (negative infinite, -3), (1, infinite)
Decreasing:(-3,1)
6 0
2 years ago
Dwight has sold 22 cars and he sells 2 each week.
elixir [45]
Im thinking it is 7 weeks.
3 0
2 years ago
Can someone please answer this for me and with solution and "Checking"( to see if your answer is correct) please.​
mamaluj [8]

Answer:

√9/√13=5

√10-3r=r

Step-by-step explanation:

this must be the answer

4 0
3 years ago
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