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Anarel [89]
3 years ago
6

Dobby the house-elf has dropped all his socks on the floor in the middle of the night! He has 30 red socks, 22 gold socks and 14

black socks. How many socks would he have to pick up before getting a matching pair?
Mathematics
1 answer:
Semenov [28]3 years ago
3 0
Only 4 because the only way he cant get a pair is if he picks up a different colour to the previous sock, so by the fourth he will have picked up at two of at least one colour

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What is the equation of the line passing through the points (-4,-7) and (8,-13)
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Answer:

6/-12 = -1/2

Step-by-step explanation:

do you want an explanation?

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3 years ago
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What is the absolute value of -22
Bond [772]
The absolute value of a number is always positive. It is the distance the number is away from zero.
|-22| = 22
8 0
3 years ago
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Please help. I don’t understand any of this.
STatiana [176]
If the two triangles are congruent (not just similar), then QS and TV would be equal.  Thus, 3v + 2 = 7v - 6.

Solving this equation for v:  4v = 8, and v = 2.

Then QS = 3(2) + 2, or 8, and TV should be the same:  7(2) - 6 = 8.
4 0
3 years ago
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Sasha has 20 starburst in a bag 9 are yellow 6 are pink 4 are red and 2 are orange. Sasha will randomly select two starburst fro
Rudik [331]

Answer:

9/95

Step-by-step explanation:

Probability calculates the likelihood of an event occurring. The likelihood of the event occurring lies between 0 and 1. It is zero if the event does not occur and 1 if the event occurs.

For example, the probability that it would rain on Friday is between o and 1. If it rains, a value of one is attached to the event. If it doesn't a value of zero is attached to the event.

Probability calculates the likelihood of an event occurring. The likelihood of the event occurring lies between 0 and 1. It is zero if the event does not occur and 1 if the event occurs.

For example, the probability that it would rain on Friday is between o and 1. If it rains, a value of one is attached to the event. If it doesn't a value of zero is attached to the event.

probability that she will select a yellow Starburst and then a red starburst = probability of picking a yellow starburst x probability of picking a red starburst

9/20 x 4/19 = 9/95

because there is no replacement, the number of balls after the yellow one is picked would reduce by 1

7 0
2 years ago
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To find the unit rate, we need to set the number of days to 1. Therefore, we will divide by 7. We also have to divide 42 by 7 to make sure the equation stays proportional. Using this knowledge, we can see that if the corn grew 42 inches in 7 days, it grows 6 inches per day.
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3 years ago
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