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Vlada [557]
3 years ago
8

O que é uma fração equivalente?

Mathematics
1 answer:
Lerok [7]3 years ago
8 0

Answer:

In math, equivalent fractions can be defined as fractions with different numerators and denominators that represent the same value or proportion of the whole.

Step-by-step explanation:

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Find the ordered pair (x,y) that is a solution to the equation.
miv72 [106K]

Answer:

☑ (¼, 0)

Step-by-step explanation:

{ \tt{4x - y = 1}}

» Assume y is zero:

{ \tt{4x  - 0 = 1}} \\ { \tt{4x = 1}} \\ { \tt{x =  \frac{1}{4} }}

4 0
2 years ago
I need help finding the answer!!
Whitepunk [10]

Answer:

The second option

Step-by-step explanation:

Here, we need to multiply each part of the matrix by -10.

This will give us: [ -230 380 ]

                           [ -170    60 ]

So, the answer is the second option.

3 0
2 years ago
Heidi solved the equation
Liono4ka [1.6K]

Answer:

Correct.

Step-by-step explanation:

3 0
2 years ago
Help please<br> solve for x
Katen [24]
Since A and B are parallel lines, the two marked angles are congruent.
Then, 2x + 12 = x + 25
We can solve for x:
x = 13
4 0
2 years ago
Read 2 more answers
I know that real numbers consist of the natural or counting numbers, whole numbers, integers, rational numbers and irrational nu
ra1l [238]

The imaginary unit i belongs to the set of complex numbers, denoted by \mathbb C. These numbers take the form a+bi, where a,b are any real numbers.

The set of real numbers, \mathbb R, is a subset of \mathbb C, where each number in \mathbb R can be obtained by taking b=0 and letting a be any real number.

But any number in \mathbb C with non-zero imaginary part is not a real number. This includes i.

  • "is it possible that i can use an imaginary number for a real number"

I'm not sure what you mean by this part of your question. It is possible to represent any real number as a complex number, but not a purely imaginary one. All real numbers are complex, but not all complex numbers are real. For example, 2 is real and complex because 2=2+0i.

There are some operations that you can carry out on purely imaginary numbers to get a purely real number. A famous example is raising i to the i-th power. Since i=e^{i\pi/2}, we have

i^i=\left(e^{i\pi/2}\right)^i=e^{i^2\pi/2}=e^{-\pi/2}\approx0.2079

3 0
3 years ago
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