5z + 16 = 34 - z
5z + z = 34 - 16
6z = 18
z = 18/6 = 3
Answer:
£2.80
Step-by-step explanation:
7%= 7/100
(7/100)*40=2.8
Answer:
SA ≈ 1134 cm²
General Formulas and Concepts:
<u>Math</u>
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Geometry</u>
- Radius: r = d/2
- Surface Area of a Sphere: SA = 4πr²
Step-by-step explanation:
<u>Step 1: Define</u>
d = 19 cm
<u>Step 2: Find </u><em><u>SA</u></em>
- Substitute [R]: r = 19 cm/2
- Divide: r = 9.5 cm
- Substitute [SAS]: SA = 4π(9.5 cm)²
- Exponents: SA = 4π(90.25 cm²)
- Multiply: SA = 361π cm²
- Multiply: SA = 1134.11 cm²
- Round: SA ≈ 1134 cm²
Step-by-step explanation:
step 1. The correct question is "solve the system of equations."
step 2. when you graph these equations they are parallel since they have the same slope.
step 3. There is no solution to the system when the lines are parallel ( they dont cross).
I believe you would graph it like this
