Well that's easy. Just plug in the numbers: 3*(-2)+4*(5)=14. So yes the solution is correct.
Answer:
78.5 cm
Step-by-step explanation:
The area of a circle is represented by A = πr². Since we are replacing the value of pi(π) with 3.14, and the diameter is 10, meaning the radius(r) is 5, we can plug both values into the equation, to get A = 3.14(5^2). This simplifies to 78.5.
Answer:
his tip will be $3.21
Step-by-step explanation:
17.85 times 0.18
multiply and get 3.213
round that to $3.21