3 years ago

Cual propiedad de los números complejos se muestran a continuación?

1 answer:

4 0

Las "leyes asociativas" dicen que no importa cómo agrupemos los números (es decir, cuál calculamos primero). Entonces esto sería asociativo.

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What is the value of the expression 2x2 3xy – 4y2when x = 2 and y = –4? a. –80 b. –32 c. 32 d. 80

FinnZ [79.3K]

2x^2 + 3xy - 4y^2 when x = 2 and y = -4
= 2(2)^2 + 3(2)(-4) - 4(-4)^2 = 2(4) + (-24) - 4(16) = 8 - 24 - 64 = -80

6 0

3 years ago

Each serving of a cereal is 80 calories.which expression can be used to find the number of calories In 3 servings

valkas [14]

Answer:

$80\times3$

Step-by-step explanation:

Based on the given conditions, formulate: $80\times3$

Calculate the product or quotient: 240

get the result: 240

Answer: 240

To find this answer, we had to use the expression 80 * 3, therefore making it the answer.

6 0

2 years ago

Read 2 more answers

The average annual salary of the employees of a company in the year 2005 was $70,000. It increased by the same factor each year

ratelena [41]

Answer:

I do not know the answer

Step-by-step explanation:

What do i need to help you with i do not see what i have to help you with

4 0

4 years ago

expanded form 2nd grade there were some horses in a field The Farmer bought 18 more horses and put them in the field . Now he ha

sammy [17]

he bought 18 horses, the cows are irrelevant to the question, that was in there to confuse you.

5 0

3 years ago

blanca buys 2 gallons of green paint. She uses 5 quarts to paint her front and 1/2 quart to paint the front porch swing

sukhopar [10]

Paint unused is 0.625 gallons.

<u>Step-by-step explanation:</u>

Quantity of green paint bought = 2 gallons

Now we have to convert gallons to quarts using the conversion factor

1 gallon = 4 quarts

2 gallons = 2 × 4 quarts = 8 quarts

Usage of paint her front = 5 quarts

Usage of paint the front porch swing = $$\frac{1}{2}$ quart = 0.5 quart

So used paint = 5 + 0.5 = 5.5 quarts

To find the unused paint, we have to subtract the used quantity from already bought.

Unused paint = 8 quarts - (5.5 quarts) = 2.5 quarts.

So Unused green paint is 2.5 quarts or 0.625 gallons.

3 0

4 years ago