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2 years ago

Name 4 points that would form a square with the origin at is center.

Mathematics

1 answer:

zheka24 [161]2 years ago

4 0

9514 1404 393

Answer:

(2, 3), (-3, 2), (-2, -3), (3, -2)

Step-by-step explanation:

You can pick any point you like, then rotate it around the origin to the four quadrants (or axes) by the transformation ...

(x, y) ⇒ (-y, x) . . . . . . . . . 90° rotation CCW

That is a rotation 90° CCW. Of course a rotation CW can do the same thing for you.

One possible square is ...

(2, 3), (-3, 2), (-2, -3), (3, -2)

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According to the Fundamental Theorem of Algebra, how many roots exist for the polynomial function? f(x) = 8x7 – x5 + x3+6

valentina_108 [34]

According to the Fundamental Theorem of Algebra, the number of roots of a polynomial is equal to the degree of the polynomial. The degree of the polynomial is the highest exponent of a term in the polynomial.
Looking at the function, the term with the highest exponent is 8x7. The exponent is 7; therefore, the function has 7 roots.

7 0

3 years ago

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I need to find the area of the shaded region

spin [16.1K]

Well first find the area of the semi-circle.

If the area of a cricle is equal to pi*radius^2 , then you can just find that and divide by 2.

So, A = pi*2^2. = 4pi

We know that the radius is 2 because the length of the side of the rectangle is 4, meaning that the diameter of the semi-circle is 4, and so the radius is 2 as it is half of the diameter.

We can easily calculate the area of the rectangle, which is
Length * width = 6*4 = 24.

Next we divide 4pi by 2 in order to get the area of the semi-circle, giving us an area of 2pi

We can just subtract 2pi from 24 and get the area of the shaded region.

Area of the shaded region (answer): 17.7

4 0

3 years ago

Francisco needed to get his computer fixed. He took it to the repair

grin007 [14]

Answer:

$95 per hour

Step-by-step explanation:

The total of charges is the sum of the cost of labor and the cost of parts. The cost of labor is the product of hours (5) and the cost per hour (x). Then the equation for total cost is ...

total cost = parts cost + hours cost

651 = 176 + 5x

475 = 5x . . . . . . . subtract 176

95 = x . . . . . . . . . divide by 5

The cost of labor per hour is $95.

6 0

2 years ago

Help asap please, dhebduhd

Kamila [148]

Hi there !

The answer is B. angle 4.

An alternate interior angle is diagonally across one angle on the inside of the transversal. Opposite of 5 on the inside is angle 4.

Hope this helps !

6 0

2 years ago

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What are the coordinates of the vertex of the table? Is it a minimum or a maximum?

WITCHER [35]

I think the answer is maximum

5 0

3 years ago