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Bad White [126]
3 years ago
13

HI PLEASE HELP ME WITH THIS!!! I WILL GIVE BRAINLIEST TO FIRST ANSWER PLEASE HELP ME!!

Mathematics
2 answers:
TiliK225 [7]3 years ago
5 0
A) 60
b)1100
you’re welcome :)
m_a_m_a [10]3 years ago
5 0
B that’s the answer hope this helps
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Veronika [31]
The units are ordered smallest to largest from top to bottom:
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7 0
4 years ago
NEED ANSWERS ASAP, 100 POINTS! There are twenty classes at each of two middle schools. The number of students in each class at e
DiKsa [7]

Note: You missed to add the dot plots chart. As I found the chart after a little research. Thus, I am attaching it and based on that dot plot chart I am solving the question which anyways would clear you concept.

Answer:

'There are about 2 more students in each class at Oak Middle School than at Poplar Middle School' is the correct statement.

Step-by-step explanation:

From the diagram, it is clear that

The data set containing Poplar Middle School:

20   20   20   21   21   21   21   21   22   22   22   22   22   22   22   23   23   23   23   24  

The mean of a data set is the sum of the terms divided by the total number of terms. Using math notation we have:

\mu = 435/20

  =\frac{87}{4}

   = 21.75

The data set containing Oak Middle School:

20   21   21   22   22   23   23   23   23   24   24   24   25   25   26   26   27   27   28   29  

The mean of a data set is the sum of the terms divided by the total number of terms. Using math notation we have:

\mu = 483/20

   =24.15

So, the difference in mean will be:

                                            24.15 - 21.75 = 2.4

Therefore, 'there are about 2 more students in each class at Oak Middle School than at Poplar Middle School' is the correct statement.

5 0
3 years ago
At the north campus of a performing arts​ school, 30​% of the students are music majors. At the south​ campus, 70​% of the stude
Ivenika [448]

Answer:

The north campus had 600 students (180 music majors)

The south campus had 400 students (280 music majors)

Step-by-step explanation:

x = number of students at the north campus before the merger

If the total of students for the two school is given as 1000, so:

(1000 - x) =  number of students at the south campus before the merger.

The equation for music major is:

0,3x + 0,7(1000-x) = 0,46(1000)

0,3x + 700 - 0,7x = 460

0,3x - 0,7x = 460 - 700

- 0,4x = -240

x = -240/-0,4

x = 600 -----> total number of students at the north campus

600*(0,3) = 180 music majors at the north

100 - 600 = 400 ------> total number of students at the south campus

400*(0,7) = 280------>music majors at the south

4 0
3 years ago
Does any two square prime number have to be even
NeTakaya
There are no numbers that are both prime and square.
In addition, only one prime number is even, which is 2.
6 0
3 years ago
What is 3 to the power of -4 as a fraction?
ivolga24 [154]
The answer is 1/81 :)
3 0
3 years ago
Read 2 more answers
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