1 hour each day is used for test
so 8-1=7 used per day
so commercial is 1 in the 4:2:1 so
4+2+1=7
ok, so 7 units, 7 hours
4 hour for private
2 hour for research
1 hour of commerical
4*5=20=private
2*15=30=research
1*4=40=commercial
20+30+40=90
percent from commercial
40/90=0.44444444444≈44.44% about 44%
Hi student, let me help you out! :)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
We are asked to simplify the expression
.

That's exactly what we need to do - combine like terms.
So, we subtract:

Which gives us:

Hope it helps you out! :D
Ask in comments if any queries arise.
#StudyWithBrainly
~Just a smiley person helping fellow students :)
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
To answer the above question based on the image, the answer is <span>EBG=45; EBG is acute. EBC=100; EBC is obtuse</span>
Answer: x= -1.02 or -95/93 or -1 2/93
Step-by-step explanation:
Answer:
Step-by-step explanation: the money that Jessica spend on clothing is 1256