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Sphinxa [80]
3 years ago
11

I need help asap please

Mathematics
1 answer:
Nata [24]3 years ago
3 0
The median is the middle of the list when the list is sorted.
6,10,11,13,14,14,20,20,23,23,26,27,31,33,38,38
This is the sorted list, so we count evenly up and down the list. In this case, there are 16 total numbers, meaning we count 8 up and 8 down, arriving at 20,23 with the middle being in between them. Both of them can't be the median, so we take the average of these two numbers, which is 21.5. So, the median 21.5.


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For what values of h and k does the linear system have infinitely many solutions? 2x1 + 5x2 = −1 hx1 + kx2 = 7
Kruka [31]

Answer:

The values of h and k for a linear system with infinitely many solutions are -2 and 5, respectively.

Step-by-step explanation:

Let 2\cdot x_{1}+5\cdot x_{2} = -1\cdot h\cdot x_{1} + k\cdot x_{2} = 7, if this linear system has infinitely many solutions, then the following conditions must be met:

-1\cdot h = 2 and k = 5.

h = -2 and k = 5

The values of h and k for a linear system with infinitely many solutions are -2 and 5, respectively.

4 0
3 years ago
Would someone please help on 1 or 2 questions.
Lera25 [3.4K]
What are your questions? If so what type of mathematic class: Algebra, Algebra 2, Geometery, Trigeometery, Pre-calculus, Calculus..
7 0
4 years ago
Susan makes and sells purses. The purses cost her $12 each to make, and she sells them for $25. This Saturday, she is renting a
9966 [12]
Profit = revenue - expenses

250 = 25x - (12x + 60)
250 = 25x - 12x - 60
250 = 13x - 60
250 + 60 = 13x
310 = 13x
310/13 = x
23.85 = x....so she would have to sell 24 purses

4 0
3 years ago
Explain the different accounting systems.
ad-work [718]
Cost accounting.
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3 0
3 years ago
I need help on how to do these types of problems
aivan3 [116]
#1 
Lets x = number of adult tickets
Lets y = number of children tickets

equation 1: 8x + 4y = 5040
equation 2: x + y = 680

solve them by using substitution
 x + y = 680 
 x = 680 - y

substitute  x = 680 - y into  8x + 4y = 5040

8(680 - y) + 4y = 5040
5440 - 8y + 4y = 5040
-4y = 5040 - 5440
-4y = -400
   y = 100

x = 680 - y
x = 680 - 100
x = 580

Answer:

There were 580 adults and 100 children at the last Miller's home basketball game.

#2
Similar to the #1

Lets x is the number of people riding school bus
Lets y is the number of people riding luxury charter bus

equation 1: x + y = 65
equation 2: 8x + 15y = 611


6 0
3 years ago
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