3 years ago

What is square root of -98 + 71

Mathematics

1 answer:

rodikova [14]3 years ago

8 0

Answer:

= 5.196 i

Step-by-step explanation:

The problem tells us to find the square root of -98 +71

√(-98 + 71)

= √(-27)

Which is an imaginary number

=√(-3^3)

Lets remember that, √(-1) = i

= i*3√(3)

= 5.196 i

Please see attached image for more information

You might be interested in

A square is 7 cm on each side what is the area

Zina [86]

Answer:

49 cm²

Step-by-step explanation:

Formula for area:

a = l (length) x w (width)

if its 7 cm on each side, then the length and width will be 7

7*7 = 49 cm²

5 0

2 years ago

What is the length of a diagonal cube with a side length of 10cm?

Blizzard [7]

Answer:

Step-by-step explanation:

diagonal= $\sqrt{10^2+10^2}$

diagonal= $\sqrt{200}$

diagonal=14.1421356

5 0

2 years ago

A bookstore classifies its books by reader group, type of book, and cost. What is the probability that a book selected at random

Alina [70]

Answer:

A) 315/1005

Explanation:

Total choices: 120 + 255 + 35 + 60 + 200 + 110 + 75 + 150 = 1005

Favorable choices: 255 + 60 = 315

probability:

favorable choices/total choices

315/1005

21/67

3 0

1 year ago

What is midpoint 85 90?

monitta

The midpoint of 85 and 90 is 87

8 0

2 years ago

I need help <br> Solve for a<br> a+b=c

antiseptic1488 [7]

Step-by-step explanation:

What is it that you need help with exactly?

A+B=C

It's already been solved. Do you need it in a different form?

(a/(b/c)

7 0

2 years ago