Answer:
Step-by-step explanation:
Given



Required
Select the unit fractions
<em>If we are to go by what a unit fraction means: it means that the numerator of the fraction must be 1 and must be written as a single fraction i.e. </em>
<em> and not as an inequality i.e. </em>
<em />
<em>Given the format of the question, what is required of the question is to </em><em>select all correct inequality.</em>
<em></em>
Convert to decimals
---- This is not true because 

Convert to decimals
---- This is not true because 

Convert to decimals
---- This is true
Convert to decimals
---- This is true

--- This is not true because 
So: the true inequality is:
Answer:
15 goals out of 50 penalty kicks was scored by brock
Step-by-step explanation:
If Brock shoots 50 penalty kicks and the probability that he scores a penalty kick is 3/10, the number of goal brock is expected to make can be expressed as:
Number of goals scored = probability value * total penalty kicks taken
Number of goals scored = 
Number of goals scored = 
Z varies inversely as w ⇒ z*w=k
z=40 , w=0,1 ⇒40*0,1=4=k
z*20=4
z=4/20=1/5
z=0,2