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Vlada [557]
3 years ago
13

X to the fourth power minus Y to the fourth power

Mathematics
1 answer:
storchak [24]3 years ago
8 0

Answer:

(x - y) \times (x + y)( {x }^{2}   +  {y}^{2} )

Step-by-step explanation:

(x ^{2}  - y ^{2} ) \times (x ^{2}  + y ^{2} )

({x} - y) \times (x + y) \times  {x }^{2}  + y ^{2} )

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The general form of the equation of a circle is x2 + y2 + 42x + 38y − 47 = 0. The equation of this circle in standard form is .
Readme [11.4K]

Answer:

(-21,-19)

\sqrt{849}

Standard form

Step-by-step explanation:

We are given the equation of circle

x^2+y^2+42x+38y-47=0

General equation of circle:

x^2+y^2+2gx+2fy+c=0

Centre: (-g,-f)

Radius: \sqrt{g^2+f^2-c}

Compare the equation to find f, g and c from the equation

g\rightarrow 21

f\rightarrow 19

c\rightarrow -47

Centre: (-21,-19)

Radius (r) =\sqrt{21^2+19^2+47}=\sqrt{849}

Standard form of circle:

(x+21)^2+(y+19)^2=849

The centre of circle at the point (-21,-19) and its radius is \sqrt{849}.

The general form of the equation of a circle that has the same radius as the above circle is standard form.

4 0
3 years ago
Read 2 more answers
It’s really confusing, I could really use some guidance.
Dafna1 [17]

Answer:

See below.

Step-by-step explanation:

Let x equal each of the values on the table, and find the value of the function for that value of x.

f(x) = 5x - 5

x = -4

f(-4) = 5(-4) - 5

f(-4) = -20 - 5

f(-4) = -25

x = 0

f(0) = 5(0) - 5

f(0) = 0 - 5

f(0) = -5

x = 1

f(1) = 5(1) - 5

f(1) = 5 - 5

f(1) = 0

x = 3

f(3) = 5(3) - 5

f(3) = 15 - 5

f(3) = 10

x = 5

f(5) = 5(5) - 5

f(5) = 25 - 5

f(5) = 20

x          f(x)

-4        -25

0          5

1           0

3          10

5          20

5 0
3 years ago
Read 2 more answers
Someone please help me .
horrorfan [7]

Answer:

c)  r = 4x + 2y

Step-by-step explanation:

∑y

-3 + 5 =2

∑x

1 + 3 = 4

                           r = 4x + 2y

3 0
3 years ago
A middle school wants to have its students see a movie at a local theater.The total cost of the movie and theater rental is $ 1,
vlabodo [156]

Answer: x = 1500/ n

Step-by-step explanation:

X- price per student

N- number of students

5 0
4 years ago
The length of a rectangle is 2 inches more than the width. The perimeter is 24 inches. Find the length and width
Gnesinka [82]
X + x + x + x + 2 + 2 = 24                Length: (x + 2) = 5 + 2 = 7 inches
                      4x + 4 = 24                Width: (x) = 5 inches
                             -4    -4
                            4x = 20
                   divide by 4 on both sides
                              x = 5
5 0
3 years ago
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