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Vlada [557]
2 years ago
10

What is the value of 1^2−2x−3y5for x = 2 and y = –4?

Mathematics
1 answer:
NikAS [45]2 years ago
5 0
The answer is 9
One square is equal to one. for the rest just substitute the x and y for the given values
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How do you find the area of the missing side
Margaret [11]

Lets use a rectangle as the example because I dont know what kind of shape you're looking for.

Area of a rectangle = length * width

Length (l) = 62

Width (w) = x

Area = 744

744 = 62 * x

Divide both sides by 62

744/62 = 12

12 = x

That means the width would equal 12

12 * 62 = 744

5 0
2 years ago
Based only on the given information, it is guaranteed that AB L CDGiven AABCAD BDBCCDs CDA. True
serious [3.7K]
Hello,

any point equidistant from the ends of a segment belongs to the perpendicular bisector of the segment.
|AD|=|BD| and |AC|=|BC|


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This is due today I don’t get it.
erik [133]

Answer:

1. A, C, and D are on the line.

1st graph:

1. The slope is 2/3.

2. The y-intercept is (0, -1)

3. The equation is y = 2/3x - 1

2nd graph:

1. The slope is 4.

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3. The equation is y = 4x - 3

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2 years ago
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-6p (p4- 8) what’s the answer ?
Helen [10]

Answer:

-6p^5+48p

Step-by-step explanation:

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3 years ago
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A telephone pole has a wire to its top that is anchored to the ground. The distance from the bottom of the pole to the anchor po
Bumek [7]

Answer:

The height of the pole is 105ft,

Step-by-step explanation:

Let us call h the height of the pole, then we know that the distance from the bottom of the pole to the anchor point is 49, or it is h - 49.

The wire length d is 14 ft longer than height h, hence

d= h+14.

Thus we get a right triangle with hypotenuse d= y+14, perpendicular  h, and base h-49; therefore, the Pythagorean theorem gives

(h-49)^2+h^2 = (h+14)^2

which upon expanding we get:

h^2-98h+2401 = h^2+28h+196

further simplification gives

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which is a quadratic equation with solutions

h =21ft\\h = 105ft.

Since the first solution h =21ft will give the triangle base length of 21ft-49ft = -28ft which is negative; therefore, we disregard it and pick the solution h = 105ft.

Hence, the height of the pole is 105ft.

3 0
2 years ago
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