Answer:
5 + 5 =10
Step-by-step explanation:
it should have been 4 +6 = 10
Given:
The expression is
.
To find:
The position of parentheses inserted in the expression to get the value 19
Step-by-step explanation:
We have,

Now,




There are more ways to apply the parenthesis, but we do not get 19.



And many more possibilities.
Therefore, the expression after inserting the parentheses is
.
70
this is because the bottom line has to equal 180, the angles given, 50 and 60, add up to 110, meaning the missing angle is 70 hope this helps :)
Answer:
352+58x
Step-by-step explanation:
Distribute to get 352+55x+4x-x
Combine like terms to get 352+58x.
Answer:
7n-25 < -39
Step-by-step explanation: