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finlep [7]
3 years ago
13

Can someone please help me

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
4 0

Answer:

the first option is the range and domain

Step-by-step explanation:

i am dam sure plz don't think its wrong

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Need help please help me
Ostrovityanka [42]
The solution is the point of intersection between the two equations.

Assuming you have a graphing calculator or a program to lets you graph equations (I use desmos) you simply put in the equetions and note down the coordinates of the point of intersection.

In the graph the first equation is in blue and the second in red.

The point of intersection = the solution = (-6 , -1)



If you dont have access to a graphing calculator you could draw the graphs by hand;

1) Draw a table of values for each equation; you do this by setting three or four values for x and calculating its image in y (you can use any values of x)

y = 0.5 x + 2 (Im writing 0.5 instead of 1/2 because I find its easier in this format)

x | y
-1 | 1.5 * y = 0.5 (-1) + 2 = 1.5
0 | 2 * y = 0.5 (0) + 2 = 2
1 | 2.5 * y = 0.5 (1) + 2 = 2.5
2 | 3 * y = 0.5 (2) + 2 = 3

y = x + 5

x | y
-1 | 4 * y = (-1) + 5 = 4
0 | 5 * y = (0) + 5 = 5
1 | 6 * y = (1) + 5 = 6
2 | 7 * y = (2) + 5 = 7

2) Plot these point on the graph
I suggest to use diffrent colored points or diffrent kinds of point markers (an x or a dot) to avoid confusion about which point belongs to which graph

3) Using a ruler draw a line connection all the dots of one graph and do the same for the other

4) The point of intersection is the solution

8 0
4 years ago
Read 2 more answers
How to solve a verbal problem algebraically
jenyasd209 [6]
Step 1. You must write down/ underline all the numbers given in the problem.

Step2. Identify all the unknown variable such as x, y, a, b [those are the most common ones].

Step 3 Identify what sign of operation your working with... It can be +,-,×,÷.

Step 3 write down all your terms on the LHS of the equation.

Step 4. Equate all the constant on the RHS of the equation. If the constant was negative It would be positive and vic versa

Step. Solve your problem
5 0
4 years ago
PLEASE HELP... WILL MARK AS BRAINLIEST
Ipatiy [6.2K]

Answer:

Step-by-step explanation:

I NEED HELP

4 0
4 years ago
Read 2 more answers
Solve by completing a square r^2-8r+9
Tanzania [10]

Solving  r^2-8r+9 by completing a square gives (r+4)^2-7

Step-by-step explanation:

We need to solve the equation r^2-8r+9 by completing a square

The completing a square method requires: a^2\pm 2ab +b^2=(a\pm b)^2

Solving:

r^2-8r+9\\=(r)^2-2(r)(?)+(?)^2+9

We need to add and subtract (4)^2=16 to make the equation a complete square

=(r)^2-2(r)(4)+(4)^2-(4)^2+9\\=(r)^2-2(r)(4)+(4)^2-16+9\\=(r)^2-2(r)(4)+(4)^2-7\\=(r+4)^2-7

So, Solving  r^2-8r+9 by completing a square gives (r+4)^2-7

Keywords: Solve by completing a square

Learn more about Solve by completing a square at:

  • brainly.com/question/7932185
  • brainly.com/question/1414350
  • brainly.com/question/1464739

#learnwithBrainly

7 0
3 years ago
What is the 3 letter name for the horizontal distance?
Alisiya [41]
Should be run :) is this for slope?
8 0
3 years ago
Read 2 more answers
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