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german
2 years ago
12

Complete the explanation of the error.

Mathematics
1 answer:
uysha [10]2 years ago
8 0

Answer:

-2

Step-by-step explanation:

cause if you multiply a negative twice it becomes a positive

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I need help with rational and irrational numbers here is the question.
4vir4ik [10]

Answer:

The correct answer choices are:

1) It is a real number

2) It is an irrational number

Step-by-step explanation:

So we have the number:

\sqrt2

First, let's define each of the terms:

Real numbers are all of the irrational and rational numbers. If a number is irrational or rational, then they are a real number. Any number that does not include the imaginary number i is real (you'll learn this eventually. It's actually really interesting!).

Irrational numbers are the numbers that do not terminate nor repeat. Examples include π or √3. Note that numbers like 1/3 which is .3333 is <em>not </em>irrational because they are repeating. π, on the other hand, does not repeat and never ends.

Rational numbers are the numbers that terminate or repeat. They also include the integers, whole numbers, and natural numbers.

So, the √2. First, it's real because it doesn't deal with imaginaries.

Next, use a calculator and calculate √2. We can see that it is about 1.41423562... This number does not repeat. And it does not terminate (end). In other words, √2 is a irrational numbers.

Since it is irrational, it cannot be rational. Since it's not rational, it cannot be an integer, whole number, or a natural number.

Therefore, the correct answer choices are:

1) It is a real number

2) It is an irrational number

3 0
3 years ago
Read 2 more answers
Find the equality represented by the graph?
Talja [164]

Answer:

-x+4y

Step-by-step explanation:

Given: graph

To find:the inequality

Solution:

Equation of a line passing through points (x_1,y_1),(x_2,y_2) is given by y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

Take (x_1,y_1)=(0,3),(x_2,y_2)=(4,4)

So,equation of line is evaluated as follows:

y-3=\frac{4-3}{4-0}(x-0)\\ y-3=\frac{x}{4}\\ 4y-12=x\\-x+4y=12

As per the graph,inequality is -x+4y

Here, use sign < and not \leq as line in the graph is dotted that is points on the line are excluded.

4 0
2 years ago
Larry wants to buy some carpeting for his living room the length of the room is 2 times width and the total area of the room is
cluponka [151]
Draw a diagram!  Lets say the width is x, then the length must be 2x.
   
                       Area = length x width
                          2x x  x    = 8sq meters
                         2x^2       = 8
                          x^2        =4
                           x      =  √4
                            x    = 2

we found the width the length is two times the width, making it 4 meters.



7 0
3 years ago
state the coordinate of the image of the given point B (-10, -6) under a dilation with a center at the orgin with the given scal
JulijaS [17]

Answer:

何

Step-by-step explanation:

5 0
3 years ago
A bag contains 1 purple beads and 3 green beads. A bead is drawn and then replaced before drawing the second bead. Find the prob
disa [49]

ggg

Step-by-step explanation:

5 0
3 years ago
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