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Gekata [30.6K]
3 years ago
12

Factor: 24mn – 16n

Mathematics
2 answers:
Sonja [21]3 years ago
6 0
Take out 8n(3m-2) so B
guajiro [1.7K]3 years ago
3 0
The answer is the second one : 8n(3m-2)
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If f(x) = x² – 5, evaluate: f(x+h)-f(x)/<br> h
Likurg_2 [28]

The first derivative of the function f(x) = x² - 5 is equal to f'(x) = 2 · x.

<h3>How to find the derivative of a quadratic equation by definition of derivative</h3>

In this question we have a quadratic function, in which we must make use of the definition of derivative to find the expression of its first derivative. Then, the procedure is shown below:

f(x) = x² - 5                                         Given

f' = [(x + h)² - 5 - x² + 5] / h                Definition of derivative

(x² + 2 · x · h + h² - 5 - x² + 5) / h       Perfect square trinomial

(2 · x · h + h²) / h                                Associative, commutative and modulative properties / Existence of additive inverse

2 · x + h                                              Distributive, commutative and associative properties / Definition of division / Existence of multiplicative inverse

2 · x                                                     h = 0 / Result

The first derivative of the function f(x) = x² - 5 is equal to f'(x) = 2 · x.

To learn more on derivatives: brainly.com/question/25324584

#SPJ1

6 0
2 years ago
The difference of the square of a number and 4 is equal to 3 times that number. Find the negative solution.
leonid [27]

The negative solution is x = –1.

Solution:

Let the number be x.

Square of a number = x²

3 times a number = 3x

Difference of square of a number and 4 = 3 times that number

\Rightarrow x^2-4=3x

Subtract 3x from both sides of the equation, we get

\Rightarrow x^2-3x-4=0

–3x can be written as x – 4x.

\Rightarrow x^2+x-4x-4=0

\Rightarrow( x^2+x)+(-4x-4)=0

1st bracket have common term x and bracket have –4 common term.

\Rightarrow x( x+1)-4(x+1)=0

Take common term x + 1 outside.

(x+1)(x-4)=0

<em>By zero factor principle, if AB = 0 then A = 0 or B = 0.</em>

x + 1 = 0,   x – 4 = 0

x = –1,   x = 4

The negative solution is x = –1.

7 0
3 years ago
Write down the next term in each of the following sequences
Archy [21]
Answer is:
a) 32
b) 59
Both are arithmetic sequences
4 0
3 years ago
Read 2 more answers
You have 5 quarts of paint It takes 5/8 quarts to paint each chair .How many chairs can you paint?
Effectus [21]

Answer:

8 chairs

Good Info:

You have 5 quarts of paint

It takes 5/8 quarts for 1 chair

Step-by-step explanation:

So, do 5 divided by 5/8=8

To check this, do 5 times 5/8.

Multiples of 5/8:

5/8

1 2/8 or 1 1/4

1 7/8

2 4/8 or 1 2/4 or 1 1/2

3 1/8

3 6/8 or 3 3/4

4 3/8

5

7 0
3 years ago
What does 1/4 equal in fraction form ?
Tom [10]
What do u want me to do?
They are in Fraction form

5 0
3 years ago
Read 2 more answers
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