3 years ago

Math Help? 15 Points

Mathematics

1 answer:

frosja888 [35]3 years ago

7 0

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Mars2501 [29]

The first one is 2x^2+2x-2
the second one is 2x^2-2x-2
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12 feet wide and 20 feet from one corner to the opposite corner how long is the storage unit?

AlekseyPX

Answer:

12x2 20x2 =40+24=64

Step-by-step explanation:

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A box contains 10 green marbles and 11 white marbles. If the first marble chosen was a green marble, what is the probability of

Neko [114]

Answer:

11/20

Step-by-step explanation:

At the beginning, the number of marbles in the box are:

10 green marbles

11 white marbles

The first marble chosen is green, and then it is not replaced in the box. Therefore, the number of green marbles left in the box is 9.

Therefore, the total number of marbles left in the box is:

$n=9+11=20$

Now we want to find the probability to choose a white marble. The number of white marble is

$w=11$

Therefore, the probability of choosing a white marble is:

$p(w)=\frac{w}{n}=\frac{11}{20}$

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In New York State's Quick Draw lottery, players choose between one and ten numbers that range from 1 1 to 80 . 80. A total of 20

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Step-by-step explanation:

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