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juin [17]
3 years ago
5

What is the solution to the system of equations y=x+4 and y=-4+x

Mathematics
2 answers:
amm18123 years ago
5 0
To solve for the solution of this system of equations,there are many ways to go about doing it, finding the point where the lines both intersect at.

One of the easiest is substitution, so plug in either one of the equations for the other one.

Y = X+4
Y = -4 + X
X+4 = -4 + X

Then solve for the X value to obtain the X coordinate of the point.

X+4 = -4 + X
X - X + 4 + 4 = -4 + 4 + X - X
8 = 0.
Since after trying to solve for X, we couldn't solve for it, and instead gave us numbers that are not equal to each other, there is no solution to these systems of equations, in other words, they don't intersect at a particular point.
zhannawk [14.2K]3 years ago
3 0
X=y - 4 im not all the way sure
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Solve for x: 1/2x - 4 = 8
iris [78.8K]
First do 8 + 4 which is 12

Next do 12 times 2 which is 24

Final step is to do 24 divided by 1 which gets you 24

The answer is 24.
5 0
3 years ago
Which of the following describes the transformations of g (x) = negative (2) Superscript x + 4 Baseline minus 2 from the parent
o-na [289]

Answer: First option.

Step-by-step explanation:

Below are some transformations for a function f(x):

1. If f(x)+k, the function is shifted "k" units up.

2 If f(x)-k, the function is shifted "k" units down.

3. If f(x-k), the function is shifted "k" units right.

4. If f(x+k), the function is shifted "k" units left.

5. If -f(x), the function is reflected over the x-axis.

6. If f(-x), the function is reflected over the y-axis.

Then, given the parent function f(x):

f(x)=2^x

And knowing that the the other function is:

g(x)=-2^{(x+4)}-2

You can identify that the function g(x) is obtained by:

- Shifting the function f(x) 4 units left.

-  Reflecting the function  f(x) 4 over the x-axis.

- Shifting the function f(x) 2 units down.

7 0
3 years ago
Find the values of x and y.
kotykmax [81]

Answer:

y=9 and x=18

Step-by-step explanation:

You know that y+3=12 so 12-3=9

You know that x-3=15 so 15+3=18

6 0
3 years ago
A quiz had 20 questions. Andre scored 16 of them correctly. What was<br> Andre's percent score? *
Valentin [98]

Answer:

He got an 80 percent.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Can someone help me!!!
Alex

Answer:

Step-by-step explanation:

\frac{x}{3}+\frac{2}{5}  =\frac{1}{15} \\\\\frac{x}{3} =\frac{1}{15} -\frac{2}{5} \\\\\frac{x}{3} =\frac{1-10}{15}\\\\x=\frac{-9}{15}*3=\frac{-9}{5}

8 0
3 years ago
Read 2 more answers
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