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3 years ago

Plz help like i need it-

Mathematics

2 answers:

aleksley [76]3 years ago

8 0

Answer:

Step-by-step explanation:

madam [21]3 years ago

3 0

Answer:

dont know if its a good answer but

Step-by-step explanation:

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

Interval Notation:

(

−

∞

)

Set-Builder Notation:

{

∈

}

The range is the set of all valid

values. Use the graph to find the range.

Interval Notation:

(

−

∞

)

Set-Builder Notation:

{

∈

}

Determine the domain and range.

Domain:

(

−

∞

)

{

∈

}

Range:

(

−

∞

)

{

∈

}

sorry if put wrongly

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Ethan bought 4 packages of pencils. After he gave 8 pencils to his friends, he had 40 pencils

Inessa05 [86]

Answer:

Step-by-step explanation:

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4 years ago

You are at a restaurant. You are ordering a drink. You can choose small or large. Then you can choose between sprite, diet coke,

wlad13 [49]

Answer:

so in all it's 4.

Step-by-step explanation:

1: for the drink size.

1: for the kind of drink you want.

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4 0

3 years ago

Determine the commutators of the operators a and a+,where a = (x + ip)/2 ^1/2 and a+ = (x - ip)/ 2 ^1/2

Vsevolod [243]

Answer:

Given that:

$a = (\frac{x+ip}{2})^{\frac{1}{2}}$ and $a+= (\frac{x-ip}{2})^{\frac{1}{2}}$

if a , a+ commutator, it obeys $aa^+ = a^+a$

First find:

$aa^+ = (\frac{x+ip}{2})^{\frac{1}{2}} (\frac{x-ip}{2})^{\frac{1}{2}}$

= $(\frac{(x)^2-(ip)^2}{4})^{\frac{1}{2}}=(\frac{(x)^2+(p)^2}{4})^{\frac{1}{2}}$

Now;

$a^+a =(\frac{x-ip}{2})^{\frac{1}{2}} (\frac{x+ip}{2})^{\frac{1}{2}} = (\frac{(x)^2-(ip)^2}{4})^{\frac{1}{2}}$

= $(\frac{(x)^2-(ip)^2}{4})^{\frac{1}{2}}=(\frac{(x)^2+(p)^2}{4})^{\frac{1}{2}}$

therefore, $aa^+ = a^+a$ which implies the operators a and a+ are commutators.

7 0

3 years ago

What is 2 X (6+ 2 + 8) -4

VladimirAG [237]

Answer:

The correct answer is 32x - 4

Step-by-step explanation:

1) Simplify 6 + 2 to 8.

$2x(8 + 8) - 4$

2) Simplify 8 + 8 to 16.

$2x \times 16 - 4$

3) Simplify 2x × 16 to 32x.

$32x - 4$

Therefor, the answer is 32x - 4.

4 0

3 years ago

Si f(x) es igual a raiz de x al cuadrado menos 16 determinar f(5),f(4),f(6),f(3)

Nadusha1986 [10]

Aplicando la función, los valores numéricos son :

$f(5) = -11$

$f(4) = -12$

$f(6) = -10$

$f(3) = -13$

La función es dada por:

$f(x) = (\sqrt{x})^2 - 16 = x - 16$

Para los valores numéricos, reemplazamos x, luego:

$f(5) = 5 - 16 = -11$

$f(4) = 4 - 16 = -12$

$f(6) = 6 - 16 = -10$

$f(3) = 3 - 16 = -13$

Un problema similar es dado en brainly.com/question/7037337

4 0

3 years ago

Plz help like i need it-​

Plz help like i need it-