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2 years ago

What is an equation of the line that passes through the points (-5, 8) and (5,0)?

Mathematics

1 answer:

mel-nik [20]2 years ago

8 0

Answer:

y= -0.8x + 4

Midpoint is 0,4

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An exterior angle of a regular convex polygon is 40°. What is the number of sides of the polygon?

seraphim [82]

Answer:

option B

Step-by-step explanation:

Sum of interior angles of a polygon with n sides:

$= (n - 2 )\times 180$

$Therefore, Each \ interior \ angle = (\frac{n - 2}{n} )\times 180$

$Sum \ of \ one \ of \ the \ interior \ angle \ with \ its \ exterior \ angle \ is \ 180^\circ$

$[ \ because \ straight \ line \ angle = 180^\circ \ ]$

That is ,

$Exterior \ angle + Interior \ angle = 180^\circ\\\\40^ \circ + (\frac{n-2}{n}) \times 180 = 180^\circ\\\\40 n + 180n - 360 = 180n\\\\40n = 180n - 180n + 360 \\\\40n = 360 \\\\n = 9$

Sum of exterior angles of a regular polygon = 360

Given 1 exterior angle of the regular polygon is 40

Therefore ,

$n \times 40 = 360\\\\n = \frac{360}{40} \\\\n = 9$

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2 years ago

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Doss [256]

Uhhh i dont know bsjsiw

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2 years ago

What does it mean for two fractions to be equivalent? For two ratios to be equivalent?

nadya68 [22]

When two fractions are equivalent that means that different fractions have the same number

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3 years ago

A line has a slope of 8 and a y-intercept of 2. What is its equation in slope-intercept form?

Bumek [7]

Answer:

y = 8x + 2

Step-by-step explanation:

Slope-intercept form: y = mx + b

m = slope

b = y-intercept value

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Colt1911 [192]

Answer:I think its ether y-interspersed or equation

Step-by-step explanation:

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