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zalisa [80]
3 years ago
10

What is the value of 3-(-2)?

Mathematics
1 answer:
Akimi4 [234]3 years ago
3 0

Answer:

5

Step-by-step explanation:

The double negatives turn into a positive which makes the problem 3+2 which equals 5.

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Match the following items.
Pani-rosa [81]

This problem can be solved using probability, the equation of the probability of an event A is P(A)= favorable outcomes/possible outcomes. The interception of two probable events is P(A∩B)= P(A)P(B).

There are 12 black marbels, 10 red marbles, and 18 white marbels, all the same size. If two marbles are drawn from the jar without being replaced.

The total of the marbles is 40.

If two marbles are drawn from the jar without being replaced, what would the probability be:

1. of drawing two black marbles?

The probability of drawing one black marble is (12/40). Then, the probability of drawing another black marble after that is (11/39) due we drawing one marble before.

P(Black∩Black) = (12/40)(11/39) = 132/1560, simplifying the fraction:

P(Black∩Black) = 11/130

2. of drawing a white, then a black marble?

The probability of drawing one white marble is (18/40). Then, the probability of drawing then a black marble after that is (12/39) due we drawed one marble before.

P(White∩Black) = (18/40)(12/39) = 216/1560, simplifying the fraction:

P(White∩Black) = 9/65

3. of drawing two white marbles?

The probability of drawing one white marble is (18/40). Then, the probability of drawing another white marble after that is (17/39) due we drawed one marble before.

P(White∩White) = (18/40)(17/39) = 306/1560, simplifying the fraction:

P(White∩White) = 51/260

4. of drawing a black marble, then a red marble?

The probability of drawing one black marble is (12/40). Then, the probability of drawing then a red marble after that is (10/39) due we drawed one marble before.

P(Black∩Red) = (12/40)(10/39) = 120/1560, simplifying the fraction:

P(Black∩Red) = 1/13

4 0
3 years ago
Which of the points are solutions to the inequality?
postnew [5]

I think 4

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which of the following expressions simplifies to a negative number? Select all that apply.
Contact [7]

Answer:

(-1)(-1)(-1)

(-1)(-1)(-1)(-1)(-1)

These, since they are all negatives and there are an odd number of terms.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
PLEASE HELP I WILL MARK BRAINLIEST!
Artyom0805 [142]

Answer:

40 pounds of nuts worth $1.60

60 pounds of nuts worth $1.85

Step-by-step explanation:

This is a mixture problem, so see the attachment below:

<u><em>*Sorry if it's unclear, but I hope it helps!</em></u>

5 0
3 years ago
Which algebraic expression is a difference with two terms?
shepuryov [24]

Answer:

1.

C. 5y -7 is an algebraic expression difference with two terms.

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2 years ago
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