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2 years ago

Which property of equality is shown here? (x2 − 4)x = x(x2 − 4)

Mathematics

1 answer:

stiv31 [10]2 years ago

4 0

Commutative property of multiplication is what the property is called.

A * B = B * A

Where both 'A' and 'B' are expressions.

Hope this helps!

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Calculate the average rate of change of f(x) = x2 4 - 5 for 3 ≤ x ≤ 5.

pogonyaev

Answer:

Step-by-step explanation:

Substitute the equation and values into the average rate of change formula.

3 0

3 years ago

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.

defon

Answer: 84

Step-by-step explanation:

Set up a proportion as follows: $\dfrac{\text{students that practice everyday}}{\text{total students}}$

$\dfrac{7}{12}=\dfrac{x}{144}$

Cross multiply: 12x = 7 × 144

Divide by 12: x = 7 × 12

Simplify: x = 84

6 0

2 years ago

Please help asap ! What is the area of a circle with a radius of 6 inches?

jeyben [28]

Answer:

A = 36 pi in^2

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

A = pi (6)^2

A = 36 pi in^2

4 0

3 years ago

Read 2 more answers

8) What is the difference of 2x2 - 4x + 6 and 5x2 + 8x - 2? I will mark brainlist

MariettaO [177]

Answer:

-3x² - 12x + 8

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Distributive Property

Algebra I

Terms/Coefficients

Step-by-step explanation:

Step 1: Define

Identify

2x² - 4x + 6 - (5x² + 8x - 2)

Step 2: Simplify

(Parenthesis) Distribute negative: 2x² - 4x + 6 - 5x² - 8x + 2
Combine like terms: -3x² - 12x + 8

3 0

2 years ago

What is a divided 9= -4

sladkih [1.3K]

Do you mean what is 9 divided by negative 4 or ?

Sorry, I'm just confused.

3 0

2 years ago