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nlexa [21]
2 years ago
15

How can we simplify radicals involving negative values?

Mathematics
1 answer:
RSB [31]2 years ago
4 0

Answer:

using imaginary numbers

Step-by-step explanation:

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What is the total cost of a $12.49 item with a sales tax of 5%?
Ivan

Answer: $13.11

Step-by-step explanation:

hope this helps!

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3 years ago
Oceanside bike rental shop charges fourteen dollars plus nine dollars an hour for renting a bike . Jason paid fifty-nine dollars
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he payed 58 dollars to rent a bike for two hours because 40+9=49 & 49+9=58

5 0
3 years ago
Can someone help me?
kirza4 [7]

Answer:

C. -36 3/10

Step-by-step explanation:

4 2/5 = 22/5

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4.4(-8.25)

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Have a great day :3

8 0
3 years ago
Convert the mixed number to an improper fraction. enter your answer below using the slash mark ( / ) as the fraction bar
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The Answer Fam Is 99/10
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3 years ago
Show that the equation x^4/2021 − 2021x^2 − x − 3 = 0 has at least two real roots.
andreev551 [17]

The roots of an equation are simply the x-intercepts of the equation.

See below for the proof that \mathbf{\frac{x^4}{2021} = 2021x^2 - x - 3 = 0} has at least two real roots

The equation is given as: \mathbf{\frac{x^4}{2021} = 2021x^2 - x - 3 = 0}

There are several ways to show that an equation has real roots, one of these ways is by using graphs.

See attachment for the graph of \mathbf{\frac{x^4}{2021} = 2021x^2 - x - 3 = 0}

Next, we count the x-intercepts of the graph (i.e. the points where the equation crosses the x-axis)

From the attached graph, we can see that \mathbf{\frac{x^4}{2021} = 2021x^2 - x - 3 = 0} crosses the x-axis at approximately <em>-2000 and 2000 </em>between the domain -2500 and 2500

This means that \mathbf{\frac{x^4}{2021} = 2021x^2 - x - 3 = 0} has at least two real roots

Read more about roots of an equation at:

brainly.com/question/12912962

6 0
3 years ago
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