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Stella [2.4K]
3 years ago
12

4h2 - 2h + 6 for h = ‐2?

Mathematics
1 answer:
scoundrel [369]3 years ago
8 0
4h² - 2h + 6

h = -2, subtitute

4 · (-2)² - 2 · (-2) + 6 = 4 · 4 + 4 + 6 = 16 + 4 + 6 = 26
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A line passes through the points (2, -4) and (4, 2). What is the equation of this line in slope-intercept form?
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Answer:

A.

Step-by-step explanation:

Slope = y2-y1/x2-x1

(2,-4) = (x1,y1)

(4,2) = (x2,y2)

Slope = (2+4)/(4-2)

          = 6/2

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Y=mx+b   [Plugging (4,2) into this]

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3 years ago
Find the area of the regular polygon below. leave your answer in simplest radical form.
Licemer1 [7]

Answer:

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Step-by-step explanation:

Given in the question a regular 6 sided polygon

To find it's area you have to use the following formula

<h3>      1/2 x perimeter x apothem</h3>

<em>Perimeter = the sum of the lengths of all the sides </em>

<em>Suppose length of one side = x</em>

<em>Apothem = a segment that joins the polygon's centre to the midpoint of any side that is perpendicular to that side = 8√3</em>

<em />

Since the polygon have 6 sides so

perimeter = 6x

<h3>x = 2(8√3)/√3</h3>

x = 2(8)

x = 16

perimeter = 6(16) = 96 in

plug values in the formula of area

<h3>1/2 x 96 x 8√3</h3>

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