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Westkost [7]
3 years ago
5

Solve by completing the square. 3x^2+x-2=0

Mathematics
1 answer:
rodikova [14]3 years ago
3 0

Answer: x  =  2 /3  ,  −  1

Step-by-step explanation:

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Please I need help really fast
Arlecino [84]

Answer: 30 degrees

Step-by-step explanation:

The total is 180 degrees.

there is a right angle on the left. A right angle is 90 degrees.

180 - 90 = 90

There is still 90 degrees left, meaning that the right side is a total of 90 degrees.

2x + x = 3x

x = 90/3

x = 30

Therefore,

x = 30 degrees!

Hope it helped!

6 0
3 years ago
Suppose you pay $1.00 to roll a fair die with the understanding you will get $3.00 back rolling a 4 or a 2, and nothing otherwis
Evgesh-ka [11]
On the presumption that it is a cubic die, on average you will not gain nor lose any money. Out of the six faces, 1/3 of them are a 5 or a 2. So 1/3 of the time, you will gain 3$, but will lose 1$ from the initial payment. 1/3 of 3$ is 1$, so on average, you will gain 1$, while losing 1$.
Another way of looking at it is to take the possible out comes, and add the gains/loses, and you will come up with 0$.
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Help Please!! I will give brainliest!
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If you take the total height and divide it by the number of cases it, it will then give you the heigh of just one case.
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joshua cooks 8 cups of oatmeal for his family they eat 7 eighths of the oatmeal what fraction of the oatmeal is uneaten
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The answer is one eighth because since a whole is 8 and seven eights is eaten, there is one eighth left.
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