2 years ago

Evaluate.

qrt{81} " align="absmiddle" class="latex-formula">
.......

Mathematics

1 answer:

loris [4]2 years ago

5 0

Answer:

Step-by-step explanation:

First find factors of 81

3 81

3 27

3 9

3 3

81 = 3×3×3×3

81 = 3^4

Taking squareroot

∴ -√81 = -√3^4

= -3^2

= -9

You might be interested in

Solve 4(x + 1) = 4x + 4 A- No solution B- 0 C- All real numbers D- 1

Tcecarenko [31]

The answer is: c- all real numbers

8 0

2 years ago

What is ____ divided 12 = 3? What is the answer to the blank?

Ksivusya [100]

$x:12=3\to x=3\times12=36\\\\Answer:\\36:12=3$

5 0

3 years ago

Read 2 more answers

Marion Lamar establish a tutoring service at a local mall they tutor college students in math and English they charge $40 per ho

Readme [11.4K]

Answer: $3300 profit

Step-by-step explanation

P = 40(h) - expenses

h = 200

Expenses = 4000,325,375

P = 40(200) - (4000+325+375)

P = 8000 - 4700

P = 3300

4 0

3 years ago

What is one yard minus one foot and three inches.

aleksandrvk [35]

Well, a yard is equal to 36 inches.
One foot and three inches is equal to 15 inches.
36 - 15 = 21
Hope this helps! :D

5 0

2 years ago

Solve the equation check for extraneous solutions. 9 (9-8x) = 2x +3

ra1l [238]

The answer is x = -3

4 0

2 years ago

Read 2 more answers