basic algebra and arithmetic "marathon". (1 Viewer)

luke42

New Member
Joined
Aug 24, 2009
Messages
9
Gender
Male
HSC
2010
2x + 5y = 26
7x + 19y = 97


14x + 35y = 182 -
(14x + 38y = 194)

14x + 35y - 182 - 14x - 38y + 194 = 0

-3y + 12 = 0
-3y = -12
y = 4


14x + 35(4) = 182
14x +140 = 182
14x = 42
x = 3

14x + 38(4) = 194
14x + 152 = 194
14x = 42
x = 3


Q.


find the intergral of 10^x
 

mirakon

nigga
Joined
Sep 18, 2009
Messages
4,221
Gender
Male
HSC
2011
This is basic algebra and arithmetic, NOT integration.
 
Joined
Dec 31, 2009
Messages
4,741
Location
sarajevo
Gender
Female
HSC
2015
Uni Grad
2017
2x + 5y = 26
7x + 19y = 97


14x + 35y = 182 -
(14x + 38y = 194)

14x + 35y - 182 - 14x - 38y + 194 = 0

-3y + 12 = 0
-3y = -12
y = 4


14x + 35(4) = 182
14x +140 = 182
14x = 42
x = 3

14x + 38(4) = 194
14x + 152 = 194
14x = 42
x = 3


Q.


find the intergral of 10^x
This is for 2011ers
 

luke42

New Member
Joined
Aug 24, 2009
Messages
9
Gender
Male
HSC
2010
oh my bad.

Q.

Find the first derivative of (x+1)^2 (x+2)^2
 

Lolsmith

kill all boomers
Joined
Dec 4, 2009
Messages
4,570
Location
Forever UNSW
Gender
Male
HSC
2010
I don't think 2011'ers have done Calculus either.... not basic algebra or arithmetic.
 

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top