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Anettt [7]
3 years ago
9

7s=245 what does s equal?

Mathematics
1 answer:
Marina CMI [18]3 years ago
6 0

Answer:

35

Step-by-step explanation:

You would have to get rid of the 7. To do that you would divide each side by 7 to get s=35

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2. Which of the following systems of inequalities represents the graph?
Rom4ik [11]

Answer:

Option: D is the correct answer.

D)  –2x + y ≥ 4

         x + y < 2

Step-by-step explanation:

We are asked to find the linear inequality that represents the following graph.

Clearly from the graph we could observe that one line is dotted and the other is solid line.

i.e. one inequality is strict while the other is a inequality with equality sign.

<u>Dashed line:</u>

It passes through (0,2) and  (2,0).

Hence, the equation of line is:

y-2=\dfrac{0-2}{2-0}\times (x-0)\\\\\y-2=\dfrac{-2}{2}\times x\\\\y-2=-x\\\\x+y=2

As the shaded region is towards the origin.

Hence, the inequality will be:

x+y<2.

<u>Solid line:</u>

The line passes through (-2,0) and (0,4).

hence equation of line is:

y-0=\dfrac{4-0}{0-(-2)}\times (x+2)\\\\

i.e

y=\dfrac{4}{2}\times (x+2)\\\\y=2\times (x+2)\\\\y=2x+4\\\\-2x+y=4

Now, as the shaded region is away from the origin hence the inequality which will be used is:

-2x+y\geq 4

Hence, option: D is the correct answer.

D.   –2x + y ≥ 4

       x + y < 2

8 0
3 years ago
Read 2 more answers
How to work it and solve the problem
jeka94
It's quite difficult, almost impossible to write all steps to solve a 3x3 matrix.

However, I will give you te answer that is determinant (Matrix)=54

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3 years ago
What is the measure of Zx?<br> Angles are not necessarily drawn to scale.<br> B<br> 539
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Picture of the question please?
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Three friends will need to paint 240 baskets for their art class project.
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Answer:

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Step-by-step explanation:

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Which are correct interpretations of the expression n + 5? Check all that apply.
garri49 [273]

Step-by-step explanation:

5 more than a number, the sum of a number and 5, the total of a number and 5,

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3 years ago
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