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Brrunno [24]
3 years ago
6

There are 8 sophomores on the academic team. At the last competition, they each took the math test. Their scores were 82%, 92%,

76%, 72%, 92%, 74%, 80%, and 78%. What was the median math score of the sophomores?
Mathematics
1 answer:
Sav [38]3 years ago
3 0

Answer:

79%

Step-by-step explanation:

To find the median, you need to arrange the numbers in ascending order. Than pick the middle number. If there are two middle numbers then you add them together and then divide by 2.

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Ilya [14]

Answer:

ur suppose to subtract

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
A library is open til' 5:00 P.M. On Wednesdays, the library closes 2 hours early. How many hours for a month is the library open
svet-max [94.6K]
So
if you assume that the month has 30 days and that the library opens at midnight, then
24 hours in a day
5 pm=12+5=17 hours
on wednessday=17-2=15 hours
wednessday=1/7 of week
so we find 1/7 of 30 which is 30/7=4 and 2/7
then subtract that from 30
30-4 and 2/7=25 and 5/7

ok so then we have
25 and 5/7 days is 17 hours and
4 and 2/7 days is 15 hours
so just multipy them and add

25 and 5/7 times 17=437.143 hours
4 and 2/7 days times 15 =64.2857
add

437.143+64.2856=501.429
so aprox 501.429

the real equation is  [(\frac{1}{7})(n)(15)]+[ (\frac{6}{7}) (n)(17)]=hours where n represents the number of days in the month

apros 501.429
8 0
3 years ago
Mr. Altamirano opens an account with a simple interest on an account with $1000 at 3% annually for 9 months. How much interest d
gladu [14]

Answer:

1022.50

Step-by-step explanation:

1000*.03= 30. (12mos interest)

30/4=7.50 quarterly interest

7.50x3 (9mos)= 22.50 interest

7 0
3 years ago
O triplo de um mumero somado a 9 e igual a 30 .qual e esse numero
-Dominant- [34]
Do you think than i ve understood it right 

3x+9=30

3x=21

x = 21/3 = 7

x = 7

hope helped 
7 0
3 years ago
2x + 4 ( -6x + 12) = -84<br><br> What is X?
katrin [286]
2x + 4(-6x + 12) = -84

2x - 24x + 48 = -84

-22x + 48 = -84

-22x = -84 - 48

-22x = -132

x = -132/-22

x = 6

hope this helps, God bless!
5 0
2 years ago
Read 2 more answers
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