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dem82 [27]
3 years ago
15

Hiiiiiiiiiiiiiiiiii Need helpppppppppppp

Mathematics
1 answer:
kirill115 [55]3 years ago
7 0

Answer:

Step-by-step explanation:

Angles around a point add up to 360

x + 53 + 37 + 139 = 360

               x + 229 = 360

                        x = 360 - 229

                        x = 131

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3/4(5x - 3) + 8 = 17. <br>​
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x=3

Step-by-step explanation:

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3 years ago
PLEASE HELP ME PLEASE HELP ASAP PLEASE HELP PLEASE AND THANK YOU
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Perimeter is the distance around a figure or region.<br> a. true<br> b. false
makkiz [27]
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3 years ago
Find the value of x that make it true
lesantik [10]

Answer:

Step-by-step explanation:

1). 10 = \frac{1+7x}{7+x}

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   10x - 7x = 1 - 70

   3x = -69

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2). 0.2 = \frac{6+2x}{12+x}

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    x = -2

3). 0.8 = \frac{x}{x+0.5}

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    0.8x + 0.4 = x

    x - 0.8x = 0.4

    0.2x = 0.4

    x = 2

4). 3.5 = \frac{4+2x}{0.5-x}

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    1.75 - 3.5x = 4 + 2x

    -3.5x - 2x = 4 - 1.75

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     x = -\frac{2.25}{5.5}

     x = - \frac{9}{22}

6 0
2 years ago
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