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yaroslaw [1]
2 years ago
10

BE is a diagonal in the regular pentagon. What is the m

Mathematics
1 answer:
vovangra [49]2 years ago
8 0
Hiiii have a great day BE and u add 33o
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Use completing the square to solve for x in the equation (x minus 12) (x + 4) = 9. x = –1 or 15 x = 1 or 7 x = 4 plus-or-minus S
Scrat [10]

Answer:

x = 4 ± \sqrt{73}

Step-by-step explanation:

Given

(x - 12)(x + 4) = 9 ← expand the left side using FOIL

x² - 8x - 48 = 9 ( ad 48 to both sides )

x² - 8x = 57

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 4)x + 16 = 57 + 16

(x - 4)² = 73 ( take the square root of both sides )

x - 4 = ± \sqrt{73} ( add 4 to both sides )

x = 4 ± \sqrt{73}

4 0
3 years ago
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Supposed you have been given the task of engineering this product knowing that in your state the cost of electricity is 18 cents
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You would have about 3472 Hours

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5000/1.44=3472

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5 0
3 years ago
Which similarity statement describes the polygons?
iren2701 [21]

Answer:

△ABC∼△EDF

Step-by-step explanation:

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3 years ago
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Expression for the area of the rectangle shown. (A = length x
Mamont248 [21]
4(8x-2)
Distribute the 4
So it should be 32x-8

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3 years ago
Can someone explain to me how to find the slope of two points? For example, (2,3) (-4, -4)
hjlf
K here you go!!! So, this is the slope formula: m=(y_2-y_1)/(x_2-x_1). We can input the example coordinates given to create: (-4-3)/(-4-2). Then, I can simplify to make -7/-6 or 7/6. You can make it improper or not, up to you or the question. Also, in the part where I inputting the numbers into the formula, it doesn't matter what y-coordinate value or x-coordinate value you use. The slope won't change.

:3
7 0
3 years ago
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