Ask
your own question, for FREE!
Mathematics
21 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
kippppp:
does anyone have any good tips for writing stories? i'm trying to write a dnd campaign but i'm not that great of a writer yet.
GRIZZLEY19:
Y'all let me know what y'all think about this beat I made I took me like a hour maybe rate it 0/10 https://drive.
Ultrilliam:
Welcome to the 10th Anniversary Update! (Part 2) Sorry this one passed the date a
Twaylor:
was walking downtown and my adhd brain wanted to make some (rock?) lyrics: There'
AndreW2002:
There is an error when sending GIFs, is this known or is this a level requirement
serenitystXrgazer:
Getting sent to anti gay christian covestion camp in a few weeks, any tips. guys i think im cooked.
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
4 hours ago
5 Replies
1 Medal
17 hours ago
0 Replies
0 Medals
3 hours ago
14 Replies
4 Medals
1 hour ago
6 Replies
0 Medals
1 day ago
10 Replies
0 Medals
4 hours ago
10 Replies
1 Medal
2 days ago
10 Replies
2 Medals
4 days ago
6 Replies
1 Medal
5 days ago
0 Replies
0 Medals
5 days ago
2 Replies
1 Medal