Question

Pls help thx so much I did the first one but don’t understand the others Tysm

Answer 1

someone above gave the answers i wish you luck

Answer 2

Given:

`p=(2)/(5)`

Therefore, evaluating the expressions below

b)

`\begin{gathered} p^2-(3)/(25) \\ ((2)/(5))^2-(3)/(25)=(4)/(25)-(3)/(25)=(4-3)/(25)=(1)/(25) \\ \therefore\text{The answer is }(1)/(25)\text{.} \end{gathered}`

c)

`\begin{gathered} ((2)/(10))^2/ p \\ ((2)/(10)*(2)/(10))/(2)/(5)=(4)/(100)/(2)/(5)=(4)/(100)*(5)/(2)=(20)/(200)=(1)/(10) \\ \therefore The\text{ answer is }(1)/(10)\text{.} \end{gathered}`

d)

`\begin{gathered} 3p_{}+(1)/(15) \\ 3((2)/(5))+(1)/(15)=(6)/(5)+(1)/(15)=(6*3+1)/(15)=(18+1)/(15)=(19)/(15)=1(4)/(15) \\ \therefore The\text{ answer is }1(4)/(15)\text{.} \end{gathered}`

e)

`\begin{gathered} 2p-p^2-(2)/(5) \\ 2((2)/(5))-((2)/(5))^2-(2)/(5)=(4)/(5)-(4)/(25)-(2)/(5)=(4*5-4-2*5)/(25)=(20-4-10)/(25)=(6)/(25) \\ \therefore The\text{ answer is }(6)/(25)\text{.} \end{gathered}`