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-BARSIC- [3]
3 years ago
15

What is the mean of the prices below?

Mathematics
2 answers:
AleksAgata [21]3 years ago
7 0
The answer is 8 hope this helps :)
Elza [17]3 years ago
3 0
8 + 19 + 7 + 3 + 3 = 40

40/5 = 8

Your answer is D.
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A customer enters a store and purchases a pair of slippers for 5 dollars. He pays with a 20 dollar bill. The merchant asks the g
Finger [1]

Answer:

he loses 5 dollars

Step-by-step explanation:

5+20=25

25-$20=5

5 0
3 years ago
A cell phone was on sale 30% off.The sale price was $239.89 .what was the original price of the phone
klasskru [66]

Answer: $167.92


239.89×0.70=167.923

I got the 70 from 100-% off (100-30)


May I ask where this phone is? I need a new one :)



4 0
3 years ago
Helppppppppppppppppppppppppppp
Otrada [13]
The equation is:
y = 10 sin(π/15 t) + 30 
where 30 represents the initial height of the blade above the ground and π/15 represents the period as we are given that the blade completes two rotation every minute.Finally the 10 represents the length of the blades.

Hope this helps :)
7 0
3 years ago
Of all sixth graders, 70% sent a text message yesterday. Ten trials of a simulation are conducted and the data are recorded belo
Effectus [21]

Answer:

80%

Step-by-step explanation:

According to the given data, the numbers 0 through 6 represent students who sent a text yesterday while the numbers 7 through 9 represent students who did not send a text yesterday.

Based on this key, we will calculate the number of students who sent the text yesterday and the number of students who did not sent the text yesterday.

The given data is: 62072, 34570, 80983, 04292, 83150, 36330, 96268, 14077, 77985, 13511

For each group we will identify how many students sent the text and how many students did not. According to the key, a number from 0 to 6 will be counted as a student who sent the text and a number from 7 to 9 will be counted as a student who did not send the text. Students who did not sent the text are made bold in the groups below.

62072:  4 students sent the text, 1 did not

34570:  4 students sent the text, 1 did not

80983:  2 students sent the text, 3 did not

04292:  4 students sent the text, 1 did not

83150:   4 students sent the text, 1 did not

36330:  All 5 students sent the text

96268:  3 students sent the text, 2 did not

14077:   3 students sent the text, 2 did not

77985:  1 student sent the text, 4 did not

13511:    All 5 students sent the text

We need to find the probability that 3 or more of a group of 5 students randomly selected will send a text today.

From the given groups, the number of groups where 3 or more students sent a text = 8

This represents our number of favorable or desired outcomes.

Total number of possible outcomes is the total number of groups = 10

Since, probability is defined as the ratio of number of favorable outcomes to total number of outcomes, based on the simulated data  the probability that 3 or more of a group of 5 students randomly selected will send a text today will be = \frac{8}{10}=0.80=80\%

Thus, based on the simulated data there is 80% probability that 3 or more of a group of 5 students randomly selected will send a text today

5 0
3 years ago
Read 2 more answers
Help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
MA_775_DIABLO [31]

Answer:

the answer is D

Step-by-step explanation:

7 0
3 years ago
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