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2 years ago

X^2-121=0 I need help with this question.

Mathematics

2 answers:

balandron [24]2 years ago

7 0

Answer:

x=11

x= -11

Step-by-step explanation:

9966 [12]2 years ago

4 0

Step-by-step explanation:

Here is the solution that you have asked.

When the -121 moves to the other sides it becomes positive.

Similarly, when the square of x moves to the other side it becomes root if the 121 .

Hence, The value of X becomes 11, which is the requires answer.

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A small theater sold 72 tickets for a

Mariulka [41]

Answer:

Number of child tickets = 9

Number of adult tickets = 36

Number of senior tickets = 27

Step-by-step explanation:

Given:

The ratio of adult tickets to child tickets = 4:1

Ratio of adult tickets to senior tickets = 4:3

Number of total tickets = 72

Find:

The number of each ticket.

Computation:

Ratio between Adult to senior to child = 4:3:1

So,

Number of child tickets = [1 / (4+3+1)]Total tickets

Number of child tickets = [1 / (8)]72

Number of child tickets = 9

Number of adult tickets = [4 / (4+3+1)]Total tickets

Number of adult tickets = 36

Number of senior tickets = [3 / (4+3+1)]Total tickets

Number of senior tickets = 27

4 0

3 years ago

If both the length and width of a rectangle are doubled, how is the area of the rectangle changed?

Law Incorporation [45]

Answer:

B) The area is four times larger

Step-by-step explanation:

$A=LW$

$2*2*A=2L2W$

$4A=2L2W$

Therefore, the area is four times larger

7 0

1 year ago

Please help<br> In the parallelogram below,<br> x = [? ]<br> 3х+7<br> 5x-17

kozerog [31]

Answer:

x = 12

Step-by-step explanation:

3х+7 = 5x-17

-2x = -24

8 0

3 years ago

If the radius of a cylinder is 18 meters and its height is 7 meters, the volume of the cylinder is approximately 72 cuble meters

seropon [69]

Answer:

Volume = πr2h

= π×182×7

= 2268π

= 7125.1321383417 meters3

3 0

2 years ago

Which of the following is not a polynomial?

Darya [45]

A is not a polynomial

4 0

2 years ago