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Andrej [43]
3 years ago
8

N a small storage bin, there is a collection of Legos. There are 15 red bricks, 10 yellow bricks, 8 blue bricks and 7 green bric

ks. One Lego brick is randomly selected, what is the probability that it is a yellow brick? Round to two decimal places if needed
Mathematics
1 answer:
olga nikolaevna [1]3 years ago
3 0

Answer:

20 blue, 10 red, 40 yellow. There are no clues to how many black.

Step-by-step explanation:

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Complete question :

Point K on the number line shows Kelvin's score after the first round of a quiz: A number line is shown from negative 10 to 0 to positive 10. There are increments of 1 on either side of the number line. The even numbers are labeled on either side of the number line. Point K is shown on 3. In round 2, he lost 9 points. Which expression shows how many total points he has at the end of round 2? 3 + (−6) = −9, because −9 is 6 units to the left of 3 3 + 6 = −9, because −9 is 6 units to the left of 3 3 + (−9) = −6, because −6 is 9 units to the left of 3 3 + 9 = −6, because −6 is 9 units to the left of 3

Answer: 3 + (−9) = −6, because −6 is 9 units to the left of 3

Step-by-step explanation:

Given the following :

Width of number line = - 10 to + 10

Point K on the number line = +3 ( kelvin's score after the first round of quiz).

If Kelvin losses 9 points in round 2  = - 9

Hence at the end of round 2, He'll have a total of :

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3 years ago
Which of the following is a solution of x2 + 4x + 25?
blondinia [14]
Solve for x:
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Take the square root of both sides:
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Subtract 2 from both sides:
x = i sqrt(21) - 2 or x + 2 = -i sqrt(21)
Subtract 2 from both sides:
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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