Answer:
x=10
Step-by-step explanation:
Square root of 100 is 10 because 10 x 10=100
Answer:
r = 104
Step-by-step explanation:
r - 36 = 68
r → 68 + 36 = 104
Answer:
There are 1,000 millimeters in one meter.
Answer:
EF = 8.8 cm
Step-by-step explanation:
In the given right angled ΔDEF, DE is the hypotenuse while EF and DF are adjacent sides. So that applying the Pythagoras theorem, we have;
=
+ 
=
+ 
=
+ 
262.44 =
+ 184.96
= 262.44 - 184.96
= 77.48
EF = 
= 8.8023
EF = 8.8 cm
The length of side EF is 8.8 cm.
3 adults and 5 kids.
You can get this by setting up the following system of equations.
x + y = 8 (number of people)
10x + 12y = 86 (cost)