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2 years ago

What is the median of this set of data? 66, 51, 77, 68, 60, 75, 54, 80

Mathematics

2 answers:

dexar [7]2 years ago

8 0

Order the numbers smallest to largest and go to the middle, the middle number is your answer :)

KengaRu [80]2 years ago

6 0

Step-by-step explanation:

51 ,54 , 60 ,66 ,68 ,70 ,75 ,80

The answer is 67.

Hope this answer will help you.

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Write a linear equation that goes through the points (0,4) and (4,10). A. y =3⁄2x + 4 B. y =3⁄2x – 4 C. y =2⁄3x – 4 D. y =2⁄3x +

Elena L [17]

Answer:

Step-by-step explanation:

To write the equation, find the slope of the line using the two points. Find the difference in y values over the difference in x values.

$\frac{y_2-y_1}{x_2-x_1} = \frac{10-4}{4-0}=\frac{6}{4}=\frac{3}{2}$

Write the equation using the slope m=3/2 and the point slope form.

$y-y_1=m(x-x_1)\\y-10=\frac{3}{2}(x-4)$

This is the equation of the line. You can convert it to slope intercept form:

$y-10=\frac{3}{2}(x-4)\\y-10 = \frac{3}{2}x - 6\\y=\frac{3}{2}x +4$

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3 years ago

going against the current a boat takes 6 hours to make a 120 mile trip when the boat travels with the current on the return trip

Irina18 [472]

Speed against current = 120 miles / 6 hours = 20 miles / hour
Speed with current = 120 miles /5 hours = 24 miles / hour.

Speed of boat in still water = (20+24)/2 = 22 miles / hour

6 0

2 years ago

Can y’all help me please

Setler79 [48]

Answer: 3 equal sides a 3 vertices

Step-by-step explanation:

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2 years ago

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Triangle ABC is translated left 1 units, and dilated by a scale factor of 2.

valina [46]

Answer:

Step-by-step explanation:

( x , y ) ----> ( x - 1 , y ) ------> ( 2(x-1) , 2y ) = <em>( 2x - 2 , 2y )</em>

5 0

2 years ago

What value of x makes the vertical parts of the letter N parallel?<br> picture provided

tangare [24]

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$2x + 9 = 5x$

$5x = 2x + 9$

Subtract sides 2x

$- 2x + 5x = - 2x + 2x + 9$

$3x = 9$

Divide sides by 3

$\frac{3x}{3} = \frac{9}{3} \\$

$x = 3$

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CHECK :

$2x + 9 = 5x$

$2(3) + 9 = 5(3)$

$6 + 9 = 15$

$15 = 15$

So the value is correct.

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8 0

2 years ago