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Ipatiy [6.2K]
3 years ago
8

4x + 8y = 20 -4x + 2y = -30

Mathematics
1 answer:
zaharov [31]3 years ago
5 0
Ignore what is scribbled out but I hope this helps!

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Ms. Brown's class is learning about banks, so she creates one in her classroom. All students start with $75 in their accounts. L
Katen [24]

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can you show the students balance at the end of activity ??

Step-by-step explanation:

4 0
2 years ago
B.
Alenkinab [10]

Answer:

If I'm correct I think 4 is the polygon

7 0
3 years ago
13. The table represents some points of a linear function.
RUDIKE [14]

Answer:

y=-4x-18

Step-by-step explanation:

To find the slope of the function, you need two points in order, the first point having its x and y coordinates labeled as x1 and y1, and the second point having its coordinates labeled as x2 and y2. then, use the equation for slope, which is m=(y2-y1)/(x2-x1), and plug in the numbers. You should get m=(-10+2)/(-2+4)= -8/2= -4.

Then, use the slope and a point on the graph, and plug it into point slope form, which is y-y1=m(x-x1). No matter what point you use, you should get the same thing. I used the point (-2, -4). Using this point, the steps to arrange the equation in slope intercept form is: y+2=-4(x+4)=> y+2=-4x-16 => y=-4x-18.

8 0
2 years ago
Given:
Mamont248 [21]

Option a. 11 is the right answer

Step-by-step explanation:

To find the value of a function on particular input, the value is put in the function in place of variable

Given function is:

f(x) = \left \{ {{3x-7\ \ \ x>0} \atop {2x+3\ \ \  x

As we have to find f(6) and x>0 the part of function 3x-7 will be used

so,

f(6) = 3(6)-7\\= 18-7\\=11

Hence,

Option a. 11 is the right answer

Keywords: Functions, Variables

Learn more about functions at:

  • brainly.com/question/4021035
  • brainly.com/question/4034547

#LearnwithBrainly

8 0
3 years ago
Simplify (2n + 5) - (3n + 7) + (4n - 9). -3n - 11 3n - 11 -3n + 11 3n + 11
KATRIN_1 [288]
 <span>2n + 5 – (3n + 7) + 4n – 9
</span> <span>6n + 5 – (3n + 7) – 9
</span> <span>6n – 4 – (3n + 7)</span>
 <span>6n – 4 – 3n – 7
</span> <span>3n – 4 – 7
</span> <span>3n –11</span>


6 0
3 years ago
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