Nhờ mọi người giúp mình vs!
Tìm x thuộc Q khi:
a)3x-1 =243
b)\(\left(\dfrac{2}{3}\right)^{x+1}=\dfrac{8}{4}\)
c) 3x+3x+2=270
d) \(\left(x-\dfrac{5}{2}\right)^2=144\)
e) \(\left(2x+1\right)^3=\dfrac{215}{27}\)
f) (2x-1)5 = -243
h) (27-1)2 = (2x-1)2
i) (2x+1)2 + (x+1)10 = 0
k) \(\dfrac{x-2}{5}=\dfrac{X+3}{2}\)
l) \(\dfrac{2}{x}=\dfrac{x}{50}\)
m) \(\dfrac{\left(x-3\right)}{4}=\dfrac{4}{x+3}\)
n) \(|x+\dfrac{3}{5}|-|x-\dfrac{7}{3}|\)
nhờ mn giúp mk cái
Complete the summary with the words in the box
. crime, criminals, guilty, information, police ,police state, safety ,surveillance, technology
While it is true that CCTV cameras help the _______ to reduce _________, at the same time _________ still operate in areas where they exist. This puts the whole issue of ________ into question. Governments say that it improves public _________ , whereas human rights groups argue that it invades our privacy by making everybody feel _______-- . There are even those who see it as the first step towards a ____________ . Whatever your view, it is clear that all new ____________ has its advantages and disadvantages, but there is always someone who will misuse the ___________ on the screen.