Login
Remember
Register
EasyElimu Questions and Answers
Questions
Unanswered
Tags
Users
Ask a Question
Ask a Question
two variables P an Q are such that P varies partly as Q and partly as the square of Q.Given that P=800 when Q=20 and P=2400 when Q=30.Determine the equation connecting P and Q
0
votes
406
views
asked
Jul 22, 2021
in
Mathematics Form 3
by
Roseruguru
quadratic expressions and equations
Please
log in
or
register
to answer this question.
2
Answers
0
votes
answered
Jul 25, 2021
by
JamesMurithi
^{Equation connecting P and Q will be P=40Q^2--760Q}
Please
log in
or
register
to add a comment.
0
votes
answered
Aug 1, 2021
by
suhaila
P=257969.Q-974.81(Q)1/2
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
A quantity P varies partly as Q and partly as the square root of Q, given that P=30 when Q=9, and P=14 when Q=16. Find P when Q=36.
asked
Aug 13, 2021
in
Mathematics Form 3
by
anonymous
formulae and variations
0
votes
1
answer
Three variables p, q and r are such that p varies directly as q and inversely as the square of r.
asked
Jul 21, 2021
in
Mathematics Form 3
by
anonymous
formulae and variations
0
votes
1
answer
Given that C varies partly as A and partly as the square of A and that C=20 when A=2 and C=21 when A=3,determine the value of C when A=4.
asked
Jul 21, 2021
in
Mathematics Form 1
by
anonymous
formulae and variations
0
votes
0
answers
q varies partly as the square of r and partly as the cube of r when r=10,q=208 and when r =20,q=1.182. Find q when the r =15
asked
Nov 19, 2021
in
Mathematics Form 3
by
PiuzGitonga
formulae and variations
0
votes
1
answer
Two variables x and y are such that y varies directly as xn where n is a constant. Given that y = 320 when r=16 and y =2560 when x = 64, find the value of n
asked
Jun 18, 2021
in
Mathematics Form 1
by
anony mous
algebric expressions
substitution and evaluation
formulae and variations
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.
Categories
All categories
Mathematics
(555)
Mathematics Form 1
(245)
Mathematics Form 2
(152)
Mathematics Form 3
(138)
Mathematics Form 4
(20)
English
(269)
Kiswahili
(520)
Chemistry
(601)
Physics
(587)
Biology
(610)
Geography
(519)
History
(544)
CRE
(338)
IRE
(52)
Agriculture
(501)
Business Studies
(353)
Computer Studies
(14)
Home Science
(60)
General Questions
(141)
5.7k
questions
7.4k
answers
6
comments
590
users
...