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const2013 [10]
3 years ago
13

8 = 4x + 12 what does x equal

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
7 0
8 = 4x + 12
1) subtract 12 from both sides.
-4 = 4x
2) divide each side by 4
-1 = x
Alenkinab [10]3 years ago
6 0
X = -1.   8 = 4x+12
            -4 = 4x
            -1 = x

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4 years ago
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3 years ago
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Rom4ik [11]

Answer:

\sqrt{202} units or 14.2 units (rounded to the nearest tenth)

Step-by-step explanation:

To find the distance between a pair of two points, use the distance formula  d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}. Substitute the x and y values of (-1,-2) and (8,9) into the formula and simplify:

d = \sqrt{(-1-8)^2+(-2-9)^2} \\d = \sqrt{(-9)^2+(-11)^2} \\d = \sqrt{81+121} \\d= \sqrt{202}  

So, as an exact answer, the distance is \sqrt{202} units.

(To find the decimal approximate of that answer, enter it into a calculator. This would make the decimal approximate 14.2 units, when rounded to the nearest tenth.)  

7 0
3 years ago
Read 2 more answers
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