Answer:
a = 20
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
Step-by-step explanation:
<u>Step 1: Define</u>
8a - 15 - 6a + 3a = 85
<u>Step 2: Solve for </u><em><u>a</u></em>
- Combine like terms: 5a - 15 = 85
- Isolate <em>a</em> term: 5a = 100
- Isolate <em>a</em>: a = 20
Answer:
1. -13 degrees
2. $12
3. 6 yards
4. 15 points
Step-by-step explanation:
1. -5 - 8 = -13
2. $100 - $88 = $12
3. 13 - 7 = 6
4. 10 x 2 = 20 - 5 = 15
Answer:
y=x-4
Step-by-step explanation:
Find the slope of the original line and use the point-slope formula y-y1=m(x-x1) to find the line parallel to 3x-3y=5.
The surface area of the given right angled triangular prism is 60 square centimeters ().
Step-by-step explanation:
The given is,
Right angled triangular prism
Step:1
Surface area of triangular prism,
.........(1)
Step:2
Area of Triangular face,
In right angled triangular have two triangular faces,
Step:3
Area of sloping rectangular face,
Step:4
Area of back side
Step:5
Area of bottom side
From the equation (1),
Result:
The surface area of the given right angled triangular prism is 60 square centimeters ().