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3 years ago

Solve: 5 - 3x < 20 Help

Mathematics

2 answers:

Fed [463]3 years ago

7 0

Answer:

hope this helps

Step-by-step explanation:

x > −5

ruslelena [56]3 years ago

3 0

Answer:

x>-5

Step-by-step explanation:

5-3x<20

-5 -5

-3x<15

x>-5(you switch sign when divided by a negative number)

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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

What are two numbers that has the product of 40 but has the sum of 13

Maksim231197 [3]

Answer:

8 and 5

Step-by-step explanation:

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3 years ago

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A store buys a jacket for 20.00$ and then sells it to customers for 80% more than that. What is the selling price of the jacket?

ra1l [238]

Answer:

100 + 80 = 180

20/100 X 180 = 36

selling price $36

5 0

3 years ago

Help with this question please

mihalych1998 [28]

The number from standard form to decimal form is as follows:

2.077 × 10⁻⁴ = 0.0002077

<h3>How to express number in standard form?</h3>

Standard form is a convenient way of writing very large or very small numbers.

Standard form is a way of writing a number so it is easier to read.

Standard form is like scientific notation and is typically used in science.

Standard form is like scientific notation and it is represented in the format as follows:

a × 10ᵇ

Therefore, the number is already in standard form but we can convert it back to decimal form as follows:

2.077 × 10⁻⁴ = 2.077 × 1 / 10000 = 0.0002077

learn more on standard form here: brainly.com/question/17170676

#SPJ1

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1 year ago

Given a point (-3, 6) and a line y= 2x − 8, what is the slope of the line?

Eddi Din [679]

The slope is 2.

Since the line "y = 2x − 8" follows slope-intercept form (y = mx + b), and the slope is always m, we know that the value of the slope is 2.

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3 years ago