precal
- 4 ln ( x + 1 ) + 9 ln ( x ) = 9 ln ( x ) - 4 ln ( x + 1 ) ________________________________________ n * ln ( a ^ n ) ln ( a ) - ln ( b ) = ln ( a / b ) ________________________________________ 9 ln ( x ) - 4 ln ( x + 1 ) = ln [ x ^ 9 / ( x + 1 ) ^ 4 ]
Math
( 9 / 11 ) * 66 = 594 / 11 = 54 OR In 11 matches team have 9 won. 66 = 6 * 11 Tim will hawe 6 * 9 = 54 won
math
As = Asia's land An = Antarctica's land L = Earth's land As = 3 An As + An = 2 L / 5 3 An + An = 2 L / 5 4 An = 2 L / 5 Multiply both sides by 5 4 * 5 An = 2 L 20 An = 2 L Divide both sides by 20 An = 2 L / 20 An = L / 10
Algebra 2
remark: y < - 6 ( x + 1 ) / 4 are same as y < 6 ( x + 1 ) / - 4
Algebra 2
- 2 ( 3 x + 2 y - 3 ) > 12 - 2 * 3 x - 2 * 2 y - 2 * ( - 3 ) > 12 - 6 x - 4 y + 6 > 12 - 4 y > 12 + 6 x - 6 - 4 y > 6 x + 6 - 4 y > 6 ( x + 1 ) Divide both sides by - 4 If you multiply or divide both sides of an inequality by a negative number, you must rever...
Math
6 / 3 = 2 7 x - 6 / 3 + 4 ( 8 + 2 x ) = 7 x - 2 + 4 ( 8 + 2 x ) = 7 x - 2 + 4 * 8 + 4 * 2 x = 7 x - 2 + 32 + 8 x = 15 x + 30 = 15 ( x + 2 )
math
log x ^ n = n * log ( a ) log ( 100 ^ ( 4 z ) ) = 4 z * log ( 100 ) If " log " mean a logarithm to the base 10 then: log ( 100 ) = 2 so : log ( 100 ^ ( 4 z ) ) = 4 z * 2 = 8 z
7th grade math
a1 = the length side of the smaller square a2 = the length side of the larger square
7th grade math
a1 = the side length side of the smaller square a2 = the side length side of the larger square The area of the smaller square is 36 A1 = a1 ^ 2 = 36 a1 ^ 2 = 36 a1 = sqrt ( 36 ) = 6 Perimeter of square = 4 side length In this case : 4 a2 / 4 a1 = 5 / 4 a2 / a1 = 5 / 4 a2 / 6 =...
Math
( 3 / 4 )( 8 x + 4 x ) + 5 y + 4 = ( 2 / 3 )( 12 x + 9 ) = 3 * 8 x / 4 + 3 * 4 x / 4 + 5 y + 4 = 2 * 12 x / 3 + 9 * 2 / 3 = 3 * 2 * 4 x / 4 + 3 * 4 x / 4 + 5 y + 4 = 2 * 4 * 3 x / 3 + 3 * 3 * 2 / 3 = 3 * 2 * x + 3 * x + 5 y + 4 = 2 * 4 * x + 3 * 2 = 6 x + 3 x + 5 y + 4 = 8 x +...
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