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Part A) 5.5 x 3.3 = 18.15
Part B) 6.1 x 4.4 = 26.84
Answer:
-15
Step-by-step explanation:
-2 |5 - x| - 13
-2 |5 - 6| - 13
-2|-1| - 13
-2 - 13
-15
Hopefully this helps!
Brainliest please?
Answer:
675
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
(5t - 3) · (3t + 7)
t = 6
<u>Step 2: Evaluate</u>
- Substitute in <em>t</em>: (5(6) - 3) · (3(6) + 7)
- (Parenthesis) Multiply: (30 - 3) · (18 + 7)
- (Parenthesis) Subtract: 27 · (18 + 7)
- (Parenthesis) Add: 27 · 25
- Multiply: 675
Answer:
x = 5
Step-by-step explanation:
Ordinarily, one would not need the distributive property to solve this equation. It is quickly and easily solved by making use of the multiplication property of equality: multiply both sides of the equation by 1/3.
3x(1/3) = 15(1/3)
x = 5
___
To use the <em>distributive property</em>, we need the sum of two terms that have a common factor. We can get that form by subtracting 15 from both sides of the equation (subtraction property of equality):
3x - 15 = 15 - 15 . . . . subtract 15
3x -15 = 0 . . . . . . . . .simplify
Now, we can apply the distributive property to remove a factor of 3:
3(x -5) = 0
And we can use the multiplication property of equality to multiply by 1/3:
3(1/3)(x -5) = 0(1/3)
x -5 = 0 . . . . . . . . . . simplify
Finally, we can add 5 to both sides of the equation (addition property of equality):
x -5 +5 = 0 +5
x + 0 = 5 . . . . . . simplify
x = 5 . . . . . . . . . .simplify more
