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Softa [21]
2 years ago
7

X+7=-3 find the variable

Mathematics
1 answer:
Katarina [22]2 years ago
6 0

Answer:

x = -10

Step-by-step explanation:

x+7 = -3

Subtract 7 from each side

x+7-7 = -3-7

x = -10

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4 0
3 years ago
Can someone help me please ASAP
zmey [24]

Answer:

<h2>140°</h2>

solution,

Let <DEF= x°

<CDE= 2x°

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The sum of interior angle of hexagon= 720°

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90 + 145 + 115 + 2x + x + 160 = 720 \\ 510 + 3x = 720 \\3x + 510 = 720 \\ 3x + 510 - 510 = 720 - 510 \\ 3x = 210 \\  \frac{3x}{x}  =  \frac{210}{3}  \\ x = 70 \: degree

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< \: cde = 2x \\  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  = 2 \times 70 \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 140 \: degree

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4 0
3 years ago
What is the slope of the line that passes through these two points?​
Montano1993 [528]

Answer:

slope of the line is 0

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
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