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liraira [26]
2 years ago
13

2(v + 1). Simplify the expression

Mathematics
1 answer:
serg [7]2 years ago
8 0

Answer:

2v+2

Step-by-step explanation:

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What is the probability of drawing two blue marbles if the first one is placed back in the bag before the second draw
Ilia_Sergeevich [38]
Break it down into two parts. First, what is the probability of drawing a blue marble on the first draw?Since there are 5 blue marbles and 10 total, the probability is 5⁄10, or 1/2. Now since we no longer have that blue marble, there are 4 blue marbles and 9 total. The chances of drawing a blue marble are 4/9. Therefore, the chance that both marbles drawn are blue is the chance that the first one is blue times the chance that the second one is blue. 1/2 * 4/9 = 4/18 = 2/9 Remember, math is always trying to trick you. It wants you to try and do the whole big problem at once, which can be difficult. Break it down into smaller problems, then use your answers to small parts to find the answer to the big question. Hope that helps,
7 0
3 years ago
What is <br> 12а + 7x - За – 2х
kifflom [539]

Answer:

=12a-3a+7x-2x

=9a+5x

This is the answer.

Hope it helps you..

3 0
2 years ago
Read 2 more answers
Juan scored 15 points more on this test than
maw [93]

Juan's least integer scores in both tests will be 85 and 100 respectively.

  • Test average of his two scores is atleast 92

Let :

  • Score on test 1 = b
  • Score on test 2 = b + 15

Average score can be related thus:

  • (Sum of score ÷ number of test) ≥ 92
  • (b + b + 15) ÷ 2 ≥ 92
  • (2b + 15) ÷ 2 = 92
  • 2b + 15 = 184
  • 2b = 184 - 15
  • 2b = 169
  • b = 169 ÷ 2
  • b = 84.5

Therefore, since both scores are integers, his least scores on both tests will be ::

  • 85 and (85 + 15) = 100

Learn more :brainly.com/question/15528814

8 0
2 years ago
I need help with this pls
krek1111 [17]

Answer:

<h3>Janet</h3>

Step-by-step explanation:

<h2>Because janet daily step count is 5000-9000</h2><h2>And brends step count is</h2><h3>7000-10000</h3>

<h3>Janat step count is 1000 greater than brenda.</h3>

<h3>Please mark me brainalist. </h3>
4 0
3 years ago
Abram rode his bike 18 miles, which is three times as far as Harley. How far did Harley ride? ​
worty [1.4K]

Answer: 6

Step-by-step explanation:

6 x 3 = 18

7 0
3 years ago
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