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Phantasy [73]
3 years ago
8

Subtracting integers by adding opposite

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
4 0
Are you looking for an explanation? That's all I can give. Let me give you an example. 5-5 is 0, right? Well, what is 5 plus -5? It's still 0! Cool, right? 10-5 is 5, and 10 plus -5 is also 5.
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X2+9x+8 <br> factor each trinomial
Lana71 [14]

Answer:

(x+1)(x+8)

Step-by-step explanation:

x^2+9x+8

You just need to multiply the first number to the last. (a·c) In this case *a* is jus a positive 1. Then, you just find a product to the result you got from (a·c) that when it is added together the result is the same as the one you have as ¨b¨.

Also the sign betwee b and c tells you that if it is positive both of your products are going to have the same sign, and if it is negative it means that they are going to be different,(one negative and one positive). If the sign is positive then go to the sign between a and b, this tells you what sign your factors will have.

<h2>x^2+9x+8</h2>

a·c=8

<u>Product           Sum</u>

1,8                      8

2,4                     6

ect...                 ect...

x^2+x+8x+8

x(x+1) 8(x+1)

 (x+1)(x+8)

<u />

3 0
3 years ago
Differentiating a Logarithmic Function in Exercise, find the derivative of the function. See Examples 1, 2, 3, and 4.
kotykmax [81]

Answer:

f'(x) = -\frac{2x}{1 - x^{2}}

Step-by-step explanation:

The derivative of an addition/subtraction of terms is the addition/subtraction of the derivatives of these terms.

The derivative of a constant is 0.

The derivative of a*x^{n} is a*n*x^{n-1}. The derivative of x^{3} is 3x^{2}, for example.

The derivative of the ln function:

If we have:

y = \ln{g(x)}

The derivative is

y' = g'(x)*\frac{1}{g(x)}

In this problem, we have that:

y = \ln{1 - x^{2}}

So g(x) = 1 - x^{2} and g'(x) = -2x

So the derivative to this function is

f'(x) = -\frac{2x}{1 - x^{2}}

8 0
3 years ago
Is it possible for a triangle to have sides with given lengths? 5 inches, 8 inches, 15 inches
Tema [17]
Yes it is possible indeed 
8 0
3 years ago
¿QUÉ ES UNA ECUACIÓN?​
masha68 [24]

Answer:

Una pregunta es un enunciado que normalmente funciona como una solicitud de información, que se espera que se proporcione en forma de respuesta.

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
Can someone give me a hand here?
IrinaVladis [17]

Answer:

49a^8, I hope this helps :)

4 0
3 years ago
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