A)
<span>10, 15, 17, 19, 25 </span>
<span>Min: 10 </span>
<span>Median: 17 </span>
<span>Max: 25 </span>
<span>lower Quartile: (10+15)/2 = 12.5 </span>
<span>upper Quartile: (19+25)/2 = 22 </span>
<span>b) </span>
http://imageshack.us/photo/my-images/22/...
<span>c) </span>
<span>Mean: (10 + 15 + 17 + 19 + 25)/5 = 17.2 </span>
<span>[ ( 17.2 - 10 )^2 + ( 17.2 - 15 )^2 + ( 17.2 - 17 )^2 + ( 17.2 - 19 )^2 + ( 17.2 - 25 )^2 ] / 5 = 24.16 </span>
<span>√( 24.16 ) ≈ 4.92 </span>
<span>-------------- </span>
<span>4) </span>
<span>[ 4. . .-2 . . . -12 ------> 3R1 - 4R2 ----> R2 </span>
<span>3. . .-1 . . . -3 ] </span>
<span>[ 4. . .-2 . . . -12 ------> R1 - R2 ----> R1 </span>
<span>0. . .-2 . . . -24 ] </span>
<span>[ 4. . ..0 . . . .12 ------> R1/4 ----> R1 </span>
<span>0. . .-2 . . . -24 ] R2/-2 ----> R2 </span>
<span>[ 1. . ..0 . . . .3 </span>
<span>0. . .1 . . . 12 ] </span>
<span>x = 3 & y = 12
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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In y=mx±b of slope-intercept form, the b is the y-intercept either positive or negative.
y=4x+12, in this case, 12 is your y-intercept!!
~~
I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
~Zoey
Answer:
True
Step-by-step explanation:
x=5+7=12
The only solution is x=12.
<span>83 as a sum of 8 tens and 3 ones
.....................................</span>
Answer:
Khan Academy is a great website for Algebra l math
If you have the time and money Kumon is a good in-person learning assistance (I-H level is about algebra I)
Step-by-step explanation:
