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Elanso [62]
3 years ago
7

30 POINTS HELP ASAP

Mathematics
2 answers:
fredd [130]3 years ago
7 0
Answer: 6552 combinations
Explanation: you would do 9*9*9*9 to represent the digits in each slot of the combination, which would leave you with 6561 combinations.

There are also the combinations that cannot be the same numbers so if you subtract 9 from 6561 you are left with 6552.

So the answer would be 6552 combinations.

Hope this helps!
dsp733 years ago
6 0
So 1-9 so you can do 36 different combos just do 9x the amount of numbers so 4
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2x^3-3x^2-11x+6 divide by x-3
Alexxx [7]

Answer: 2x^2+3x-2

Step-by-step explanation:

You can do long division, which is very very hard to show with typing on a keyboard. You essentially want to divide the leading coefficient for each term. Ill try my best to explain it.

Do \frac{2x^3}{x}=2x^2. Write 2x^2 down. Now multiply (x - 3) by it. Then subtract it from the trinomial.

2x^2*(x-3)=2x^3 -6x^2\\(2x^3 -3x^2-11x+6)-(2x^3-6x^2) = 3x^2-11x+6

Now do \frac{3x^2}{x} =3x. Write that down next to your 2x^2. Multiply 3x by (x - 3) to get:

3x(x-3)=3x^2-9x\\(3x^2-11x+6)-(3x^2-9x)=-2x+6

Your final step is to do \frac{-2x}{x} =-2. Write this -2 next to your other two parts

Multiply -2 by (x - 3) to get:

-2(x-3)=-2x+6\\(-2x+6)-(-2x+6)=0

Our remainder is 0 so that means (x - 3) goes into that trinomial exactly:

2x^2+3x-2 times

4 0
3 years ago
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Some one please help me this is my final question i think i have the right answers but im not sure
Xelga [282]
Asked and answered elsewhere.
brainly.com/question/9436435
3 0
4 years ago
How could you use coordinate geometry to prove that segment BD and segment AC bisect one another?
____ [38]

Answer:

I think it's prove the midpoints are the same

Step-by-step explanation:

I'm not completely sure but I'm taking it right now and I believe that's the most logical answer because if they meet up at the same midpoint then they could bisect each other.

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3 years ago
¿Look at the picture
kkurt [141]

Answer:

16.2 Kilometers

Step-by-step explanation:

81 divided by 5

You get 16.2 kilometers

8 0
3 years ago
To make ice tea, you need 6 tea bags for every 10 cups of water. if you have 18 tea bags how many cups of water do you need? rat
love history [14]

Answer:

18 tea bags to 30 cups of water

Step-by-step explanation:

hope this helps <3

brainliest plz? :)

and also have a good day :)

3 0
3 years ago
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