1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vovikov84 [41]
3 years ago
11

Square root

21 } " align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
wariber [46]3 years ago
7 0

Answer:

11

Step-by-step explanation:

The number inside the square root symbol is the number you have to get when you multiply a certain number twice.

So \sqrt{121} :

What multiplied by itself is 121?

Backwards equation:

121 / 11

==> 11

Do not do the backwards method all the times, it does not work for all numbers.

Hitman42 [59]3 years ago
6 0
Answer: 11

Explanation:
11 x 11 = 121
You might be interested in
Help me with this question <br>I will mark brainlist <br>no web link <br><br>Solve :-<br>9n²-64=0​
Archy [21]
Factorize

(3n + 8) (3n - 8) = 0
3n + 8 = 0 and 3n - 8 = 0

Solve both for n

3n + 8 = 0
3n = -8
n = -8/3


3n - 8 = 0
3n = 8
n = 8/3

Therefore n = -8/3 and n = 8/3
6 0
2 years ago
Please help me with this problem :)
8_murik_8 [283]

Answer:

d.

Step-by-step explanation:

The red graph is the black one times 2.

So y = 2 f(x). which is the same as y/2 = f(x) (divide by 2).

7 0
3 years ago
Read 2 more answers
Where did mathematics come from
Ganezh [65]
The most ancient mathematical texts came from mesopotamia and Egypt. The “inventors” of math are the Greek beginning in around the 6th century BC.
3 0
2 years ago
What linear function can be represented by the set of ordered pairs?
zzz [600]
<span>Solving for the slope using points ( (−4, 15), (0, 5)</span>  
M = ( 15 – 5) / ( -4 – 0) = -5 / 2  
Solving for b <span> 
Y = mx + b</span>   5 = 0(-5/2) + b
B = 5  
So the linear function is
<span>Y = (-5/2) x + 5</span>
8 0
3 years ago
Read 2 more answers
I need to know the expression for the verbal phrase :
nika2105 [10]

15 ÷ 2 . X =

There's the expression

5 0
3 years ago
Other questions:
  • Solve the following 5x - 4=2x + 8
    5·2 answers
  • How would adding a score of 0 to this data affect the mean and median game scores - i ready lesson ......Choice of measures of c
    15·1 answer
  • AC is tangent to circle o at point c. what is the length of ac?​
    15·1 answer
  • I need help plss guys like right now
    14·1 answer
  • 4<br> CORIZ<br> What are two multiples that 8 and 16 have in common?
    11·1 answer
  • PLEASE HELP. NEED THE ANSWER.
    12·1 answer
  • I need help,plss:(
    9·1 answer
  • A crew is picking up chairs in the gymnasium after an event. After clearing 68 chairs from
    5·2 answers
  • Shela has $89 in her bank account. If she uses 30% of her money how mutch was the bill
    7·1 answer
  • The area of a rectangular piece of metal is 1,984 square centimeters. The perimeter is 188 centimeters. What are the dimensions
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!