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egoroff_w [7]
3 years ago
8

Need answer has soon has possible no need to explain

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
8 0

Answer:

y= 11

11 squared = 121

vodomira [7]3 years ago
3 0

Answer:

y= 11  11 squared = 12 may i please have brainliest pleasssssssssssseeeeeeeeeee

Step-by-step explanation:

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PLEASE HELP, please write it out in the system of equations (step by step)
gizmo_the_mogwai [7]

Answer:

{x,y}={-2,3}

Step-by-step explanation:

[1]    2x + y = -1

  [2]    x - 2y = -8  <------- given linear equations

Graphic Representation of the Equations : ----> given in attatchment

y + 2x = -1        -2y + x = -8  < ----- point where they connect is shown in graph

Solve by Substitution :

// Solve equation [2] for the variable  x

 [2]    x = 2y - 8

// Plug this in for variable  x  in equation [1]

  [1]    2•(2y-8) + y = -1

  [1]    5y = 15

// Solve equation [1] for the variable  y

  [1]    5y = 15

  [1]    y = 3

// By now we know this much :

   x = 2y-8

   y = 3

// Use the  y  value to solve for  x

   x = 2(3)-8 = -2

Solution :

{x,y} = {-2,3}

7 0
2 years ago
Read 2 more answers
Exit Ticket Anyone Can help me?
Umnica [9.8K]

Answer:

okay, so 1 1/6 can be converted to 7/6.

2 3/8 can be converted to 19/8

now find a common denominator, which is 24

7/6 would turn into 28/24

19/8 would turn into 57/24

now add! 28+57= 85/24

85/24

Step-by-step explanation:

please consider marking me as brainliest, my answer took alot of time and I am trying to rank up! have a great day lovely!!

4 0
3 years ago
3. A cone has a heighth and a base with radius r. You want to change the cone so its volume is tripled. What is the new height i
Sphinxa [80]

Answer:

Hence the new height  is 3 times the original height .(h1=3h)

Step-by-step explanation:

Given:

A cone with  has height and base with radius r .

To Find:

What is new height

Solution:

Consider as cone with height h base radius r, and volume v

Here given that only height changes for the cone  i.e. r remains the unchanged or same or constant

The volume for a regular cone is given by ,

V=pie*r^2*h/3

Here V is directly proportional to h i.ee pie ,3 and r being constant

V=K*h

i.e V/h=constant

V1 and h1 are new dimensions for new cone

V/h=V1/h1

Here V1=3V

So V/h=3V/h1

1/h=3/h1

i.e  h1=3h

Hence the height  is 3 times the original height .

4 0
3 years ago
Find the sum or difference. 8 1/6 + 7 3/8
Lilit [14]
15 13/24 or in decimal form 15.5416
4 0
3 years ago
Read 2 more answers
Which phrase describes the algebraic expression 3 x minus 4?
zaharov [31]

Answer:

3x - 4 = -12

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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