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erastova [34]
4 years ago
8

2x + 3y = 12 Complete the missing value in the solution to the equation.​

Mathematics
2 answers:
pychu [463]4 years ago
4 0

Answer:

X = 2 Y = 1

Step-by-step explanation:

2*2 = 4 and 3*1  = 3 add them and you get 7 add the 2 and 3 and you get 5 when you add 5 and 7 you get 12.

2*2 + 3*1 = 12

Zepler [3.9K]4 years ago
4 0

Answer:

By rebuilding it to an easier formula.

This formula can be "rebuild" into the regular form of y = a*x + b

We substract 2x from each side of the equation, we then get;

3y = -2x + 12

We then divide everything by 3.

The formula then looks like this;

y = (-2/3 * x) + 12, which you should be able to graph.

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A student made in finding the interval(s)
SpyIntel [72]

Answer:

Positive:  (-1,3)

Negative: (-\infty,1)\cup (3,\infty)

Step-by-step explanation:

The graph represents a parabola that has a maximum vertex at (1,4).

The portion of the graph above the x-axis is considered positive

For -1\:, the function is positive.

We can write this in interval notation as: (-1,3)

For x\:>\:3 or x\: , the function is negative.

We can write this in interval notation as: (-\infty,-1)\cup (3,\infty)

4 0
3 years ago
I need help figuring out which ones are positive and what ones are positive?
aalyn [17]
First one is positive second one is negative third one is negative fourth one is positive and the last one is positive
5 0
4 years ago
What is the equation for this?
worty [1.4K]

The point-slope form:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have two points (-9, 7) and (9, 1). Substitute:

m=\dfrac{1-7}{9-(-9)}=\dfrac{-6}{18}=-\dfrac{1}{3}\\\\y-7=-\dfrac{1}{3}(x-(-9))\\\\\boxed{y-7=-\dfrac{1}{3}(x+9)}

5 0
3 years ago
Plz help me i dont wanna fail and plz dont steal my points :(
tester [92]
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5 0
3 years ago
Read 2 more answers
I need the answer please!!!!!!!<br><br><br><br> Solve: -2(x+4)-1=3(x-2)+4
spin [16.1K]

Answer: x= -7/5 procedure: -2x-8-1=3x-6+4       -2x-9=3x-2   -2x-3x= -2+9    -5x= 7   answer: x= -7/5

7 0
3 years ago
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