The missing reason in step 8 is the substitution property.
<h3>What is substitution property?</h3>
It should be noted that according to substitution property, if x = y, then x can be substituted for y in any equation.
When a variable is equal to another variable, then the variables can be interchangeable.
In this case, the missing reason in step 8 is the substitution property.
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Since this is a scalene triangle, two sides will equal the same, meaning two angles will equal the same. So 70 has an equal on the other side, meaning 70+70=140, and x will equal the remainder, meaning x=40.
Hope that helps.
Answer:
5+9+-23
Step-by-step explanation:
So 1/2 is 5/10 and 2/5 is 4/10 common denonominator is 10 ( i think )
Answer:
Runner 1
Step-by-step explanation:
He ran 1 mile in 10 mins
