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KatRina [158]
3 years ago
10

PLEASE HELP ASAP I'M ON THE TEST RIGHT NOW AND IT'S DUE TODAY!! The box plot shows the algebra scores of students in class A and

class B
The median score of class A is ____
The interquartile range of class B is ____
The difference of the medians of class A and class B is ____ the interquartile range of either data set​

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
6 0

Answer:

The median score of class A is 73

The interquartile range of class B is 8

The difference of the medians of class A and class B is 9

the interquartile range of either data set​ should be 8 because that is what b was.

Step-by-step explanation:

The interquartile range is the difference between the upper quartile and the lower quartile. In example 1, the IQR = Q3 – Q1 = 87 - 52 = 35. The IQR is a very useful measurement. It is useful because it is less influenced by extreme values as it limits the range to the middle 50% of the values.

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natita [175]

Step-by-step explanation:

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3 years ago
- 5/6e (the fraction) - 2/3e (the fraction)=-24
Wewaii [24]

Answer:

I believe this is the correct answer. e = 16

3 0
3 years ago
Does anyone know how to do this?
kolezko [41]

Answer:

  • x = 1
  • y = -7

Step-by-step explanation:

The coefficients of x and y do not have any "nice" relations, so doing this by elimination is just "brute force" with no particular subtlety.

After multiplying by appropriate numbers, you want the coefficient of one of the variables in one equation to be the opposite of the coefficient of the same variable in the other equation. Here, we can get that by multiplying the first equation by 7 and the second equation by 2.

  7(2x +3y = -19)   ⇒   14x +21y = -133

  2(-7x +2y = -21)   ⇒   -14x +4y = -42

Adding these equations with opposite x-coefficients eliminates the x-terms. (That is how the "elimination" method gets its name.)

  (14x +21y) +(-14x +4y) = (-133) +(-42)

  25y = -175 . . . . . . . . simplify

  y = -7 . . . . . . . . . . . divide by 25

Substituting this value into the first equation gives ...

  2x +3(-7) = -19

  2x = 2 . . . . . . . . . add 21

  x = 1 . . . . . . . . . divide by 2

The solution is x = 1, y = -7.

_____

<em>Additional comment</em>

The multipliers used in this process are essentially the coefficients of one of the variables, with one of them negated. Here, we chose the x-coefficients, because negating one of them gives two positive multipliers. We judge it easier to do the arithmetic using positive numbers.

Had we chosen to use the y-coefficients (3 and 2) for our multipliers, we would probably multiply the first equation by 2, and the second equation by -3. That way, the remaining x-coefficient would be positive.

Planning ahead is helpful, but not essential. It can help to avoid errors and make the work easier to do.

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3 years ago
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Answer:

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Step-by-step explanation:

for f(x):

0

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4

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2

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Find the solution(s) of the following equation.
kobusy [5.1K]

Answer:

The answer is A: y=7

Step-by-step explanation:

If you multiply 7 x 7 x 7 the answer would be 343.

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3 years ago
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