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4 years ago

Elect the correct answer from each drop-down menu.

Mathematics

2 answers:

vova2212 [387]4 years ago

8 0

Answer:

The median is 1.84

Step-by-step explanation:

To find the median we need to first put the amounts in ascending order.

$1.61, $1.75, $1.79, $1.84, $1.96, $2.09, $2.11

To determine the median we now select the middle most term, which is $1.84.

Zigmanuir [339]4 years ago

7 0

<h2>Median = $1.84</h2><h2>Difference = $0.34</h2><h2 />

Order the Data:

$1.61

$1.75

$1.79

$1.84

$1.96

$2.09

$2.11

Median - The middle value.

Cross of 1 from each side till you only have 1 left. If you have two left, add them together and divide by 2.

$1.61, $1.75, $1.79, $1.84, $1.96, $2.09, $2.11

$1.75, $1.79, $1.84, $1.96, $2.09, $2.11

$1.75, $1.79, $1.84, $1.96, $2.09

$1.79, $1.84, $1.96, $2.09

$1.79, $1.84, $1.96

$1.84, $1.96

$1.84

Quartiles - They are found at position 1/4 and 3/4 of the total number of elements. Or 1/2 the median's position or 1/2 the median's position + the median's position.

1/4

Median's position is 4

1/2 = 2

Position 2 = $1.75

3/4

4 + 2 = 6

Position 6 = $2.09

$2.09-$1.75 = $0.34

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The drama club at Math Academy High School sold tickets to their end of the year play. On Monday they sold 80 tickets for a tota

riadik2000 [5.3K]

Answer: OPTION A

Step-by-step explanation:

Let be "a" the number of adults tickets they sold and "s" the number student of tickets they sold.

With the information given in the exercise you can set up the following System of equations:

$\left \{ {{a+s=80} \atop {6a+4.5s=426}} \right.$

Use the Elimination method to solve the system of equations:

1. Multiply the first equation by -6.

2. Add the equations.

3. Solve for "s" in order to find its value.

Then:

$\left \{ {{-6a+-6s=-480} \atop {6a+4.5s=426}} \right.\\............................\\-1.5s=-54\\\\s=36$

4. Finally, substitute the value of "s" into the first equation and solve for "a":

$a+36=80\\\\a=80-36\\\\a=44$

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4 years ago

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just olya [345]

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Ede4ka [16]

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