Answer:
Step-by-step explanation:
Here you go mate
Step 1
2x-y Equation/Question
Step 2
2x-y Evaluate for x and y
2(3)-10
Step 3
2(3)-10 Simplify
6-10
answer
-4
Hope this helps
Answer and explanation:
Given : Equations
1) 
2) 
To find : Tell whether the following equations are true or false. Then, explain your reasoning.
Solution :
Equation means when left hand side and right hand side of the equation is same.
1) 
Take LHS,

Same term with opposite sign cancel each other or sum is zero,


Therefore, Yes, it is true as it satisfy definition of equation.
2) 
Take LHS,

Same term with opposite sign cancel each other or sum is zero,


Therefore, Yes, it is true as it satisfy definition of equation.
Answer:
201.1 km^3
Step-by-step explanation:
The volume of a cylinder is V=πr2h. In this problem, our radius is 8, and our heigh is 4. Plugging in our values we get:
V=π(8)(2)(4)=64π, which is approximately 201.1.
Hope this helped,
~cloud
9 × (5 × 2) = (9 × 5) × 2
You can see that all the numbers are there and in the same order. The only thing that changed is the parentheses location.
This is called the Associative Property (of Multiplication, because you're multiplying).
You would need to divide 113.1 by 138.23 which would give you .81 this means that it is a .81:1 ratio.