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Andrews [41]
2 years ago
15

Given m∥n, find the value of x.

Mathematics
1 answer:
kicyunya [14]2 years ago
6 0

Answer:

42

Step-by-step explanation:

Given m and n are parallel:

x + 138 = 180 because these angles are supplementary

subtract 138 from both sides

x = 42

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This is a answer of question A

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Write a in slope-intercept form of the line that passes threw (-9,5) and (-3,3)
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For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

y = mx + b

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m: It is the slope of the line

b: It is the cut-off point with the y axis

m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}}

We have the following points:

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We substitute one of the points and find "b":

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y = - \frac {1} {3} x + 2

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7 0
3 years ago
Three eighths of the 32 children in the club were girls. <br> How many boys were in the club?
vivado [14]

Answer:

20

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3 years ago
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7 0
2 years ago
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Curved surface area of a sphere =1256 cm

2

We know that, Curved surface area of a spehre =4πr

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⟹1256=4×3.14×r

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=

4×3.14

1256

⟹r

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=100

∴r=10 cm

Hence, the answer is 10 cm.

4186.66666666 volume of sphere

6 0
3 years ago
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