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: r=14
Step-by-step explanation:
because they are vertical angles
7r+6=8r-8
solving for r you get
r=14
Answer:
add 12 for all sides I think
Step-by-step explanation:
but if 12 yd is on both sides you must add 12+12 and the after getting the answer add then with 12+12
Answer:
30 cm
Step-by-step explanation:
The circumference of a circle is
C = 2*pi*r
60pi = 2* pi *r
Divide each side by 2pi
60/2pi = 2 pi r/ 2pi
30 =r