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adell [148]
2 years ago
7

Rachel received 27 cents in change after purchasing a pet gerbil. How many different combinations of coins could she have receiv

ed from the store clerk? Make a list of all the possibilities. Use the space below to write all of the possibilities. One has been done for you. ​
Mathematics
1 answer:
kondaur [170]2 years ago
8 0

Answer:

gfddgjjjffdbbshshhshshshhshhbsbdbddbdvbd

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Can you add a negative and a positive when doing like term
Verdich [7]
Yes, you can add a negative and a positive when doing like terms.
5 0
3 years ago
Read 2 more answers
In a hospital there are 56 TB patients. The patients are grouped with respect to their ages.
zalisa [80]
<span>Table:

Class Boundaries         Frequency

5-10                              8

10-15                            9

15-20                          15

20-25                          10

25-30                           8

30-35                           6
                                ----------
total                           56

Average =

[5+10]/2*8+[10+15]/2*9+[15+20]/2*15+[20+25]/2*10+[25+30]/2*8+[30+35]/2*6
---------------------------------------------------------------------------------------------------
</span>                                                      56

That is 1075 / 56 = 19.2

Answer: 19

5 0
3 years ago
Consider the line 2x+3y=-7
7nadin3 [17]

Good evening ,

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Look at the photo below for the answer.

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7 0
3 years ago
a box contains 4 yellow, 5 green and 3 blue balls. find the probability of obtaining a yellow ball in a single random draw.
Alex

Notice that the box has a total os 4 + 5 + 3 = 12 balls, since there are 4 that are yellow, then, the probability to randomly obtaining a yellow ball in a single draw is:

P(Yellow)=\frac{\text{ number of yellow balls}}{\text{total number of balls}}=\frac{4}{12}=0.33

therefore, the probability is 0.33 = 33%

7 0
1 year ago
The following graph shows the distance Thomas is from his home (in meters) for a period of 2 minutes. Determine the average rate
irga5000 [103]
The answer:
<span>the average rate of change for the first 50 seconds:
it  is v= 100 m/ 50 s = 2 m/s
</span><span>Thomas speed is 2 m in each second for the first 50 seconds.

</span><span>The average rate of change for the 70 remaining seconds:
the time is between [70; 120]
so the distance is d= 200m - 40m= 160m
the average rate is
v= 160m / 70 s = 2 . 28m /s

</span>
6 0
3 years ago
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