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Damm [24]
3 years ago
6

Solve 3(x-3) = 0???????

Mathematics
2 answers:
kenny6666 [7]3 years ago
5 0
Using distributive property, we get:

3x-9=0
3x=9
x=3

So, x=3. Now that was easy, huh? :)
Semenov [28]3 years ago
3 0
This one is rather simple: you are going to want to use the Distributive property. So it will be 3x-9=0
Now get your x on one side by itself <u>3x</u>=<u>0 </u> +<u>9 </u>   x=0+3 or x =3 
                                                          3    3    3

Hope that wasn't too confusing. 
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5 0
2 years ago
Read 2 more answers
Jocelyn owns a food truck that sells tacos and burritos. She only has enough supplies to make 150 tacos or burritos. She sells e
timurjin [86]

Answer:

We know that:

Price of a taco = $4

Price of a burrito = $6.50

x = number of tacos sold

y = number of burritos sold.

We must have that:

x + y ≤ 150  (Because she only has supplies to make 150 tacos or burritos, but she can sell less than that)

And also we know that she must sell at least $780, then:

x*$4 + y*$6.50 ≥ $780

Now we found the system of inequalities:

x + y ≤ 150

x*$4 + y*$6.50 ≥ $780

To solve it graphically, we just need to find each one of the region solutions for each equation, and the intersection of these regions will be the solution for the system.

To graph them may be easier to write them as lines, you can do it as follows:

y ≤ 150 - x

y ≥ ($780 - x*$4)/$6.50

in the first equation, we will shade the area below the line, and in the second equation, we will shade the area above the line.

You can see the image below.

Where the accepted solutions are the ones in the darker part, and we only restrict this to positive values of x (because of how we defined the variable x)

Then looking at the image, we can see that one solution can be the point

x = 20, y = 120

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Answer:

1 and 4 should be the answer or -4x3y2 and 5x4y

Step-by-step explanation:

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