Answer:
70
Step-by-step explanation:
Using the similarity theorem;
AB/BC = AD/AB
x/7+3 = 7/x
x/10 = 7/x
x^2 = 70
x = √70
Hence the required value inside square root is 70
Answer:
195 adult tickets
Step-by-step explanation:
Given that a is the number of adult tickets and c the number of child tickets.
-We express our problem as:
We make the subject of the formula in i and substitute in ii:
Hence, 195 adult tickets were sold.
Answer:
7q + 12
Step-by-step explanation:
all youre doing is simplify. very simple! hope this helps :')