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vekshin1
3 years ago
15

" title="Solve: 2x + 7 = -11PLS HELP ILL GIVE YOU BRAINLIEST" alt="Solve: 2x + 7 = -11PLS HELP ILL GIVE YOU BRAINLIEST" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Lena [83]3 years ago
7 0

Answer:

-9

Step-by-step explanation:

2x + 7 = -11

2x = -11 - 7

2x = -18

x = -9

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Step-by-step explanation:

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Step-by-step explanation:

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Find the distance between the two points rounding to the nearest tenth (if necessary).
Vaselesa [24]

Hey there! I'm happy to help!

Imagine the line that is created when you connect the two points (the distance between the two points).

You can create a right triangle where this distance is the hypotenuse where the two legs are the change in x and y. So, if you take those changes in x and y, you can use the Pythagorean Theorem (a²+b²=c²) to find the distance between the two points, which is the hypotenuse.

Our change in x is 9 because 9-0 is 9.

We square it

9²=81

Our change in y is 5 as -1-(-6) or -1+6 is 5.

5²=25

We add these.

81+25=106

We square root and round to the nearest tenth.

√106≈10.3

So, our distance is 10.3.

This Pythagorean Theorem method actually gives us a formula called the distance formula that you can use to find the distance between points.

\sqrt{(x_{2} -x_{1})^2+(y_{2}-y_{1})^2}

Have a wonderful day and keep on learning! :D

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Step-by-step explanation:

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