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sleet_krkn [62]
3 years ago
15

-12.2z - 13.4z=-179.2. idk how to do this ​

Mathematics
1 answer:
Sever21 [200]3 years ago
8 0

Let's solve your equation step-by-step.

−

12.2

z

−

13.4

z

=

−

179.2

Step 1: Simplify both sides of the equation.

−

12.2

z

−

13.4

z

=

−

179.2

−

12.2

z

+

−

13.4

z

=

−

179.2

(

−

12.2

z

+

−

13.4

z

)

=

−

179.2

(Combine Like Terms)

−

25.6

z

=

−

179.2

−

25.6

z

=

−

179.2

Step 2: Divide both sides by -25.6.

−

25.6

z

−

25.6

=

−

179.2

−

25.6

z

=

7

Answer:

z

=

7

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Patrick paid $12 for<br> 25 pounds of candy.<br> How much did each<br> pound of candy cost?
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3 years ago
Which of the following is the graph of f(x) = x2 + 3x − 4?
chubhunter [2.5K]

The graph of the function for values of x ranging from -6 to +6 is shown below.

<h3>Graphing a Quadratic function</h3>

From the question, we are to graph the given quadratic function

The given quadratic function is

f(x) = x² + 3x − 4

The graph of the function for values of x ranging from -6 to +6 is shown below.

The table of values are

x       f(x)

-6      14

-5      16

-4      0

-3      -4

-2      -6

-1      -6

0      -4

1        0

2       6

3       14

4      24

5      36

6      50

Learn more on Graphing a quadratic function here: brainly.com/question/9028052

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