Ask
your own question, for FREE!
Mathematics
18 Online
Work out the value of this expressions, when p=2, q=-3, r=5: 20-pq^2r/p-q+r
Still Need Help?
Join the QuestionCove community and study together with friends!
you stil need help, with it ?
its is another question
its similar to substitute the pronumerals
just substitute*
does order of operations apply?
Still Need Help?
Join the QuestionCove community and study together with friends!
p=2, q=-3, r=5: 20-pq^2r/p-q+r 20-18*5/10 = -70/10 = -7
meaning working out the division problem then subtract 20
20-2(9)(5)/2+3+5=7
it's q square so 18*5=90
20-90=-70 and -70/10 = -7
Still Need Help?
Join the QuestionCove community and study together with friends!
im sorrry i forgot the sign
there u go hollywood, all done.
the negative sign
yes yes, thank you
np
Still Need Help?
Join the QuestionCove community and study together with friends!
actually
where can I find more of these problems so I can practice,
where did u get these???
from my GSCE textbook
they dont have any more of these?
Still Need Help?
Join the QuestionCove community and study together with friends!
no
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
Subshilava:
my mom is giving me the dumbest senior quotes or something from grey anatomy which I do not really care about and keeps dogging on mine is this one bad "Go
lovelove1700:
Physiology Q3 Final 1 of 26 01:49 / 01:20:00 Why does pulse rate increase during
lovelove1700:
To earn a better grade next quarter, I could improve by staying more organized and turning in assignments on time.
Sleepyman:
Have you ever wondered what's after life...like if you do believe in a god (whichever one you believe in) what if after we die there's nothing.
lovelove1700:
I'm telling you that I'm a bisexual girlu2014I like both men and women. But right now, I'm actually looking for a girlfriend.
lovelove1700:
Alright, guys, how do you manage to raise your Smart Score every day?
prettygirl15:
Chapter 2 covers internal and external barriers that probably hindered you from developing strong critical thinking skills.
gelphielvr:
(AP English) Which one of those is correct? I think its B but I want another persons perspective on it.
gelphielvr:
What are the three layers of the integumentary system and what purpose do they se
5 hours ago
0 Replies
0 Medals
9 hours ago
6 Replies
1 Medal
11 hours ago
7 Replies
0 Medals
10 hours ago
3 Replies
0 Medals
13 hours ago
1 Reply
0 Medals
14 hours ago
0 Replies
0 Medals
15 hours ago
2 Replies
1 Medal
15 hours ago
3 Replies
1 Medal
15 hours ago
2 Replies
1 Medal