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3 years ago

6

Safemoon to the moon let’s go

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Monica [59]3 years ago

5 0

Moon to the safe of the moon go let’s

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The Environmental Protection Agency records data on the fuel economy of many different makes of cars. Data on the mileage of 20

artcher [175]

Answer:

A) 8.5 miles per gallon

Step-by-step explanation:

Given

$x = \{12\ 13\ 15\ 16\ 16\ 17\ 18\ 18\ 19\ 19\ 20\ 20\ 22\ 23\ 24\ 26\ 26\ 27\ 27\ 29\}$

$n = 20$

Required

The IQR

This is calculated as:

$IQR = Q_3 - Q_1$

Calculate $Q_1$

$Q_1 = \frac{1}{4}(n + 1)th$

$Q_1 = \frac{1}{4}(20 + 1)th$

$Q_1 = \frac{1}{4}(21)th$

Remove bracket

$Q_1 = 5.25th$

This means that:

$Q_1$ is the mean of 5th and 6th item

From the given data:

$5th \to 16$

$6th \to 17$

So, we have:

$Q_1 = \frac{1}{2}(16 + 17)$

$Q_1 = \frac{1}{2}(33)$

$Q_1 = 16.5$

$Q_1 = 16.25$

Calculate $Q_3$

$Q_3 = \frac{3}{4}(n + 1)th$

$Q_3 = \frac{3}{4}(20 + 1)th$

$Q_3 = \frac{3}{4}(21)th$

Remove bracket

$Q_3 = 15.75th$

This means that:

$Q_3$ is the mean of 15th and 16th item

From the data:

$15th \to 24$

$16th \to 26$

So:

$Q_3 = \frac{1}{2}(24 + 26)$

$Q_3 = \frac{1}{2}(50)$

$Q_3 = 25$

Recall that:

$IQR = Q_3 - Q_1$

$IQR = 25 -16.5$

$IQR = 8.5$

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3 years ago

Use substitution to solve the system. x=2y+5 2x-5y=11

Ganezh [65]

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form: ( 3 , − 1 )

Equation Form: x = 3 , y = − 1

(I hope it helps ♡＾▽＾♡)

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4 years ago

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3 days converted to seconds

Aleksandr [31]

259,200 seconds!!

hope this helps :)

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3 years ago

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If L is parallel to M find the value of x and the value of y.

jarptica [38.1K]

X is 90 degrees and y is 45 degrees

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What is the Lena equation in the slope intercept form( 2x - y = 7)

Archy [21]

Answer

Step-by-step explanation:x=7+y=2

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3 years ago