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OlgaM077 [116]
3 years ago
8

Classify the angles, then find the value of x

Mathematics
1 answer:
marta [7]3 years ago
4 0

Answer:

i dont understand

Step-by-step explanation:

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Find the sixth term of the geometric sequence 5, -15, 45, ...
ad-work [718]

Answer:

-1215

Step-by-step explanation:

you muiltpy by -3 every time

4 0
3 years ago
In how many ways can we choose a 12 member jury from 30 possible people?
Pachacha [2.7K]
This is a problem dealing with permutations and combinations.
Order does not matter in this problem.
Since order doesn't matter, it is a combination.
Repetition matters, since you can't have the same person count as two people.

There are twelve slots.

_ _ _ _ _ _ _ _ _ _ _ _ 

Each slot needs to be multiplied by the next.

_*_*_*_*_*_*_*_*_*_*_*_

Now we have to fill in the slots.
Each slot will be filled with a number one less than the one before it. It has to be one less, since repetition matters.
The numbers will be decreasing from 30, since there are 30 possible people.

30 * 29 * 28 * 27 * 26 * 25 * 24 * 23 * 22 * 21 * 20 * 19

Multiply these numbers together and you get your answer.

41,430,393,164,160,000 ways
3 0
3 years ago
Tìm x,y thỏa mãn: x^2-2xy+3y-5x+7=0
STALIN [3.7K]

I think there's an error with this question. Mind to check it back and tell me the detail?

7 0
3 years ago
What's 9×9(0+1)=??? And please show work
leva [86]
9 x 9( 0+1)=
81(0+1)=
The answer is 81
Hope this helps!
can I pls get a brainleist?
6 0
3 years ago
Read 2 more answers
Which arrangement for these numbers is from least to greatest?
laiz [17]

Answer: D) -5/6 < -3/5 < -4/7 < -4/9

Step-by-step explanation:

Since putting fractions from least to greatest by using negatives the number or fraction has to be closed to 0. -5/6 is the farthest from 0 so it'll be the least -4/9 is closes to 0 so -4/9 is the most.

8 0
3 years ago
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