Approximately 68% of a normal distribution lies within one standard deviation of the mean, so this corresponds to students with scores between (57.5 - 6.5, 57.5 + 6.5) = (51, 64)
Answer:
How many more games will Aditi have to win to have an 80% winning record?
<u>The linear equation that models this is:</u>
12 + x = 0.80(x+20)
<u>Aditi would have to win</u> 20 <u>more games to have an 80% winning record. </u>
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<span>My answer was D. 13.9 yd.
It depends on which leg is 12 yds
If it's the short one, hyp = 24
If the other one, hyp = 13.9
hope this works
</span>
<u>Answer</u>:
The perimeter of rhombus WXYZ is
<u>Step-by-step explanation:</u>
Step 1 :Finding length of XY
Distance formula = 
here
= 5
=3
= -1
=2
XY = 
XY = 
XY = 
XY = 
XY = 
Step 2 :Finding length of YZ
Distance formula = 
here
= 3
=5
= 2
=5
YZ = 
YZ = 
YZ = 
YZ = 
Step 3 : :Finding length of ZW
Distance formula = 
here
= 5
=7
= 5
=2
ZW = 
ZW = 
ZW = 
ZW = 
Step 4 :Finding length of WX
Distance formula = 
here
= 7
=5
= 2
= -1
WX = 
WX = 
WX = 
WX = 
Step 5: finding the perimeter of the rhombus
Perimeter= 4 X side
=>
=>