Please Help! 20 points!You can choose more than one answer
(I already know the second one is right but I need one more that is equivalent)
Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m?
1) -15m = -4m
2) -7m - 8 = m - 4
3) -3m - 8 = 4 - m
4) m - 4 = -7m - 8
5)-8 - 7m = -4 + m
6)-8 - 3m = 4 - m
Answers
Answer:
2 and 5 for sure. I think 4 is correct, but your teacher may not.
Step-by-step explanation:
The given expression reduces down to -7m - 8 = m - 4
1 cannot give -15m on the right. One seldom sees that mistake on Brainly.
3 does not do that. - 3m is not - 7m
4 has it's sides reversed. I would count it is right, others may not. I'm trying to say the left side is on the right side and the right side is on the left. That to me is OK.
5 is Ok as well the left is written as -8 - 7m which is -7m - 8. and with -4 and m
6 has been reduced on the left incorrectly. the right is it's signs backwards
2 4(?) and 5
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Answers
Answer:
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Answers
Answer:
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Answers
Answer:
The probability that both of the selected marbles are red is
Step-by-step explanation:
Given
Number of red marbles = 3
Number of blue marbles = 5
Required
Probability of selecting two red marbles (without replacement).
First, we need to get the total number of marbles
Total = Red Marbles + Blue Marbles
Total = 3 + 5
Total = 8
Probability is calculated by: Number of required outcome divided by number of possible outcome.
Since there are 3 red marbles out of a total of 8 marbles;
The probability that the first marble you selected is red is 3/8
From the question, you didn't return the marble back to the container.
This means that, there are 2 red marbles and a total of 7 marbles left in the container.
So, the probability that the next marble selected is red is 2/7
Let P(R and R) represent the probability of selecting two red marbles.
This is calculated by multiplying the probability of picking the first red marble and the second red marble.
Hence,
P(R and R) =
P(R and R) = --- Reduce to lowest term
P(R and R) =
Hence, the probability that both of the selected marbles are red is