PLEASE HELP I KNOW ITS JIM IS CORRECT BUT I NEED AN EXUSE FOR THE WRONG ANSWER “I CHOSE LOU BECAUSE” PLEASE HURRY MY TEACHER ALR
EADY SUBMITTED IT AND I HAVE 0 OUT OF 8
1 answer:
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Answer: 87.9675
Step-by-step explanation:
Formula for z:
, where x= data value corresponding to z,
= mean,
= standrad deviation.
Given: =85.3,
=4.85, z=0.55
To find : x
Hence, The required data value= 87.9675
we know that
If line WX is perpendicular to line YZ
then
see the attached figure to better understand the problem
m∠WVY=90°--------> 4a+58=90-----> 4a=90-58-----> a=32/4------> a=8°
m∠XVY=90°--------> 2b-18=90----> 2b=90+18------> b=118/2-------> b=59°
therefore
<u>the answer is</u>
a) The value of a is 8 degrees
b) The value of b is 59 degrees
