3/5 x=21 /*5
3x= 105
x= 35
She brought 35
Answer to comment:
<span>1/7(14x+7)-5=6 /*7
14x+7-35=42
14x=42-7+35
14x= 70 /:14
x= 5
</span>
Log of 2x cube - log x = log 16 +log x
Use the identities!
Log 2x square = log 16x
2x square = 16 x
2x sqr - 16x = 0
2x(x-8) = 0
X = 0 or 8
According to logarithms x can’t be 0 so it’s 8
sqrt (100) is a rational number
10*10 = 100 (-10)*(-10) =100
sqrt(100)
=-10, 10
these are rational numbers
Answer is Tommie.
alex and joan dont know how to ride
joan does not like riding bike,that means same applies to the roller
