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lozanna [386]
2 years ago
6

A bag contains 2 red marbles and 3 black marbles. If Abby picks a marble without looking, returns it to the bag, and then draws

a second marble, what is the probability that both marbles are red? Write your answer as a fraction.
Mathematics
1 answer:
sveta [45]2 years ago
5 0

Answer:

It should be 4/25

Step-by-step explanation:

The first time is 2/5, multiply by the second time which is also 2/5, and it equals 4/25. If that's not an answer on there just do 2/5 but i was taught to do it my way.

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denis23 [38]
Attached the solution and work.

5 0
3 years ago
5) Find the distance between -9 and 12 on a number line.​
kati45 [8]

Answer: Hope this helps!!!

Step-by-step explanation:Absolute Value: You need to find how far away both numbers are from zero, then add these values together to see how far apart these numbers. The absolute value of nine, |-9| is 9, and |12| is 12. This means that the nine is nine spots away from zero, and twelve is twelve spots from zero. This means that the numbers are 20 units from each other.

Distance -9 is from 12 You need to find how much of an increase from nine you need to reach the twelve. So -9 + ? = 12. What number can you add to equal twelve? You can add 20 to make the equation true. (? = 20) The distance from -9 to 12 is a positive 20.

Distance from 12 to -9 This is similar to the previous example. What number can you insert to make the 12 equal the negative nine? 12 - ? = -9. The number would be -20, which means that 12 is 20 spots away from the negative nine, as it took at negative twenty to get us to the negative nine.

3 0
3 years ago
Elizabeth has 1 7/10 as many plants as Rosalie has I her garden. If Elizabeth has 51 plants, how many plants does Rosalie have i
MrRa [10]
1 7/10 can be rewritten as 1.7

51 / 1.7 = 30 plants.

<span>Rosalie has 30 plants.

</span>
4 0
3 years ago
16) Your salary goes from $8.75 an hour at your present job to $16.50 an hour in your new job. What is
Agata [3.3K]

Answer:

The percent change in salary from one job to the next is 88.57%.

Step-by-step explanation:

The previous salary of per hour =  $8.75 per hour

The current salary of per hour  = $16.50 per hour

Change in the salary rate per hour  =  Current salary  -  Previous Salary

                                                             = $16.50 per hour -  $8.75 per hour

                                                             =$7.75 per hour

⇒The change in the salary per hour rate is $7.75

Now, \textrm{Percentage Change in salary}  = \frac{\textrm{Change in the rate of salary}}{\textrm{Previous Salary}}  \times 100

= \frac{7.75}{8.75}  \times 100 = 88.57

or, the change in salary percentage is 88.57%

Hence, the percent change in salary from one job to the next is 88.57%.

4 0
3 years ago
Plot the image of point D under a dilation about the origin (0,0) with the scale factor of 2.
loris [4]
It’s -3,-2 hope thiisssss helpsssss
3 0
3 years ago
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