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dexar [7]
3 years ago
9

Can anyone help me with this question ?

Mathematics
2 answers:
adell [148]3 years ago
8 0

To calculate the median, all you have to do is line them up in ascending order. So from least to greatest. Then you look for the number that's in the middle, that will be your median.

So first line them up in ascending order

11, 18, 23, 32, 33, 41, 41, 54, 56, 58, 67, 70

In this example, the median would be 41 (we have two 41s in the middle but if they weren't the same number, you'd add the two middle numbers together and divide by 2, but since we don't have to do that, your answer would just be 41).

So the answer is 41.

Nuetrik [128]3 years ago
6 0
The answer is C 41 because those two numbers are in the middle when arranging them
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Five less than one fourth of my age is 12
Ber [7]
5 less than (-5) of 1/4 of my age (age/4) is 12 (=12)

-5+a/4=12
add 5 to both sides
a/4=17
times 4 both isdes
a=68

your age is 68
6 0
3 years ago
Read 2 more answers
Solve the system of equations -x+ 2y = –11 and 5x – 8y = 39 by<br> combining the equations.
Alchen [17]

Answer:

x=-5, y=-8. (-5, -8).

Step-by-step explanation:

-x+2y=-11

5x-8y=39

---------------

5(-x+2y)=5(-11)

5x-8y=39

---------------------

-5x+10y=-55

5x-8y=39

--------------------

2y=-16

y=-16/2

y=-8

-x+2(-8)=-11

-x-16=-11

-x=-11+16

-x=5

x=-5

3 0
2 years ago
8 pens cost £4.72<br> How much would 13 pens cost?
vesna_86 [32]

Answer:

$7.67

Step-by-step explanation:

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4 0
3 years ago
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Factorize 2x^4-7x^3-13x^2+63x-45 using factor theorem.
zheka24 [161]
Find the possible rational roots and use synthetic division to find the first zero.
I chose x=1 (which represents the factor "x-1")

1║2  -7  -13    63  -45
  ║     2    -5  -18    45
    2  -5  -18    45    0
(x-1) is a factor, (2x³ - 5x² - 18x + 45) is the other factor.

Use synthetic division on the decomposed polynomial to find the next zero.
I chose x = 3 (which represents the factor "x-3")

3║2  -5  -18    45 
  ║     6     3   -45   
    2   1  -15     0   

Using synthetic division, we discovered that (x-1), (x-3), & (2x² + x -15) are factors.  Take the new decomposed polynomial (2x² + x -15) and find the last two factors using any method.

Final Answer: (x-1)(x-3)(x+3)(2x-5)




8 0
3 years ago
If someone could please explain or show me how to get the answer that would be great! I want to keep learning throughout this co
belka [17]
I do not understand nothing
6 0
2 years ago
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