Ask
your own question, for FREE!

Mathematics
59 Online

OpenStudy (anonymous):

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!

OpenStudy (mimi_x3):

you stil need help, with it ?

OpenStudy (anonymous):

its is another question

OpenStudy (mimi_x3):

its similar to substitute the pronumerals

OpenStudy (mimi_x3):

just substitute*

OpenStudy (anonymous):

does order of operations apply?

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

p=2, q=-3, r=5: 20-pq^2r/p-q+r 20-18*5/10 = -70/10 = -7

OpenStudy (anonymous):

meaning working out the division problem then subtract 20

OpenStudy (anonymous):

20-2(9)(5)/2+3+5=7

OpenStudy (anonymous):

it's q square so 18*5=90

OpenStudy (anonymous):

20-90=-70 and -70/10 = -7

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

im sorrry i forgot the sign

OpenStudy (anonymous):

there u go hollywood, all done.

OpenStudy (anonymous):

the negative sign

OpenStudy (anonymous):

yes yes, thank you

OpenStudy (anonymous):

np

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

actually

OpenStudy (anonymous):

where can I find more of these problems so I can practice,

OpenStudy (anonymous):

where did u get these???

OpenStudy (anonymous):

from my GSCE textbook

OpenStudy (anonymous):

they dont have any more of these?

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

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

SnowyBreaks:
I need help on this math question i dont understand it.

4 minutes ago
3 Replies
0 Medals

Alexis1415:
I need some opinions on what tests are most accurate and fast for pregnancy, as well as some information concerning what things are best to digest for a chi

1 hour ago
5 Replies
2 Medals

Rosee5656:
ALR so I'm confused about one thing, why do people try to go for the ankles and s

52 minutes ago
7 Replies
2 Medals

suger:
Thoughts? The white lights shimmer on the moon lit beach where my wedding took place.

14 hours ago
10 Replies
1 Medal

SnowyBreaks:
Can someone help me with this math problem I'm stuck on it file:///home/chronos/u-aa2fe6c6dc7e25032ada724dd3dfe4fb959c9a71/MyFiles/Downloads/Screenshot%2020

18 hours ago
4 Replies
0 Medals