Answer:
f(2)=18
Step-by-step explanation:
Substitute 2 in for x
f(x)=3(x+4)
f(2)=3(2+4)
Solve the parentheses first (PEMDAS)
f(2)=3(6)
Multiply
f(2)=18
Hope this helps! :)
Answer:
28.2743 square feet (28 square feet, rounded)
Step-by-step explanation:
The area of a circle is given by the equation
Area = πr^2
Plug in 3 for the radius
Area= π(3)^2
3 squared is 9
Area= 9 π
Area= 28.2743 square feet
Rounded to the nearest square foot, the area of the circle is 28 square feet.
Answer:
72
Step-by-step explanation:
x = 46 × (20.4/34)
x = 46 × 0.6
x = 27.6
Answer:
option 3
Step-by-step explanation:
49/9 + 17/5 = 398/45 or 8 38/45
Answer:
-3x - 2y + 3
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
3 + 5x - 4y + 2y - 8x
<u>Step 2: Simplify</u>
- Combine like terms (x): -3x - 4y + 2y + 3
- Combine like terms (y): -3x - 2y + 3