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Lyrx [107]
3 years ago
6

A drawer contains 3 red paper clips 5 green paper clips and 4 blue paperclips one paper clip is taken from the drawer then repla

ced another paper clip is taken from the drawer what is the probability that the first paper clip is red and the second paper clip is blue?
Mathematics
2 answers:
Neporo4naja [7]3 years ago
6 0

Answer:

3/12 for red

4/12 for blue

Step-by-step explanation:

3 is red

5 is green

4 is blue

3 + 5 + 4 is 12 so it is out of 12 altogether

3/12 for red

4/12 for blue

kotegsom [21]3 years ago
5 0

Answer:

1/12

Step-by-step explanation:

To find the probability of the event occuring, we need to find the probabilites of taking a red paperclip and taking a blue paperclip and then multiply them together.

Red paperclip:

3/12 = 1/4

Blue paperclip:

4/12 = 1/3

Probability of event:

3/12 x 4/12 = 12/144 = 1/12

1/4 x 1/3 = 1/12

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4. You are traveling to Chicago for a job interview. You leave Toledo, Ohio, at 5:45 A.M. and arrive in Elkhart, Indiana, at 8:1
Dvinal [7]

Answer:

48 mph

Step-by-step explanation:

First we need to find the distance from Elkhart to Chicago. Toledo to Elkhart is 136 miles and Toledo to Chicago 244 miles.

So the distance from Elkhart to Chicago can be calculated, since Chicago is farther from Toledo than Elkhart, as: distance(Toledo to Chicago) - distance(Toledo to Elkhart). These distances are given in the problem, so the distance from Elkhat to Chicago is: 244 miles - 136 miles = 108 miles.

This problem basically wants to know the slowest you can be yet still ariving on time. If you are the minimum speed, you will arrive in Chicago exactly at 10:30 A.M. So you have 2 hours and 15 minutes(10:30 A.M - 8.15A.M.) to drive 108 miles.

15 minutes is a fourth of a hour, so you have 2.25hours to go through 108 miles.

The minimum speed you must maintain is 108mph/2.25h = 48mph.

5 0
3 years ago
What is the sum of the infinite geometric series 1 - 1/2 + 1/4 - 1/8 + 1/16​
mina [271]

Answer: The answer is 11/16

Step-by-step explanation:

PEMDAS theres only addition and subtraction so we figure out this equation left to right.

1-1/2=1/2

1/2+1/4=3/4

3/4-1/8=5/8

5/8+1/16=11/16

6 0
3 years ago
Answer right get brainiest !!!! 12 points
Anvisha [2.4K]
80*t+70*t=50
t = .33 hours =20 minutes
This assumes the trains are going opposite directions (opposite tracks so I’m assuming opposite directions)
4 0
3 years ago
What is the exponential regression equation to best fit the data where the y values were rounded to the nearest integer.
ladessa [460]

Answer:

the answer is Y=###########^x

Step-by-step explanation:

6 0
3 years ago
What is the explicit formula for the arithmetic sequence –7.5, –9, –10.5, –12...
natita [175]

Answer:

= - 1.5n - 6

Step-by-step explanation:

Given that the sequence is arithmetic with n th term ( explicit formula

= a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 7.5 and d = - 9 - (- 7.5) = - 9 + 7.5 = - 1.5

= - 7.5 - 1.5(n - 1) = - 7.5 - 1.5n + 1.5 = - 1.5n - 6

Step-by-step explanation:

3 0
3 years ago
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