All categories

3 years ago

What is the solution of the equation x^2+4=0

Mathematics

2 answers:

natulia [17]3 years ago

5 0

Answer:

x=±2i

Step-by-step explanation:

if you haven't learned about imaginary numbers yet it is unsolvable

Sholpan [36]3 years ago

3 0

It’s a maths error because root of any number which is negative isn’t a maths err

You might be interested in

You make 24 cookies using 2 cups of sugar

Softa [21]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

I need help with this please and thank youuu <br><br> 3 = -2v − v<br><br> v=___

Vlad [161]

Answer:

v = - 1

Step-by-step explanation:

Collect like terms on the right side of the equation

3 = - 3v ( divide both sides by - 3 )

v = $\frac{3}{-3}$ = - 1

6 0

3 years ago

Which equation shows that the Pythagorean identity is true for theta = 2pi? Select

Andreyy89

Answer:

I just took the quiz

Step-by-step explanation:

0^2 + 1^2 = 1

Also known as C.

7 0

3 years ago

Find the indicated limit, if it exists.

jok3333 [9.3K]

For the limit to exist, the limits from either side must also exist and be identical. We have

$\displaystyle\lim_{x\to2^-}f(x)=\lim_{x\to2}(x+3)=2+3=5$

$\displaystyle\lim_{x\to2^+}f(x)=\lim_{x\to2}(3-x)=3-2=1$

Since the limits do not match, the overall limit does not exist.

6 0

3 years ago

A store pays $81 for a hockey stick and marks the price up by 5%. What is the amount of the mark-up?

OlgaM077 [116]

.05 is equal to 5%
So for every dollar the mark up is .05cents
So if you times $81 by .05 this will give you the mark up because each of the 81$ needs .05 added to it.

So $4.05 Is the mark up

And

The cost would be markup and original added together

4 0

3 years ago