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Lena [83]
3 years ago
14

Write the equation of a circle whose center is at the origin and contains the point (2, 3).

Mathematics
1 answer:
Ivanshal [37]3 years ago
4 0

Answer:

x²+y²=13

Step-by-step explanation:

any circle with center at (0,0)

is of the form

x²+y²=r²

find out r²

r² = (2²+3²)=13

so the answer

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How can you use 260 divided by 13 to help you find 286 divided by 13
Alexeev081 [22]

Answer:

Well, 260 divided by 13 is 20.

286-260=26

And 26 divided by 13 is 2.

Step-by-step explanation:

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2 years ago
Why equals 3/4 X -12 and why equals negative 4X - 31
Helga [31]

Answer:

  (x, y) = (-4, -15)

Step-by-step explanation:

Perhaps you want the solution to ...

  y = 3/4x -12

  y = -4x -31

Equating the two expressions for y gives ...

  3/4x -12 = -4x -31

  3/4x = -4x -19 . . . . . add 12

  3x = -16x -76 . . . . . multiply by 4

  19x = -76 . . . . . . . . . add 16x

  x = -76/19 = -4 . . . . divide by 19

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The solution to this system of equations is ...

  (x, y) = (-4, -15)

8 0
3 years ago
Which of the following inequali
Maru [420]

Answer:

3<5

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3 0
3 years ago
Sean b= 5,79; c= 10,4,el angulo A= 54,46°, el angulo C mide ?
Rzqust [24]

Answer:

C \approx 91.732^{\circ}

Step-by-step explanation:

(This exercise is presented in Spanish and for that reason explanation will be held in such language)

El lado restante se determina por la Ley del Coseno:

a = \sqrt{b^{2}+c^{2}-2\cdot b\cdot c \cdot \cos A}

a = \sqrt{5.79^{2}+10.4^{2}-2\cdot (5.79)\cdot (10.4)\cdot \cos 54.46^{\circ}}

a \approx 8.466

Finalmente, el angulo C se halla por medio de la misma ley:

\cos C = - \frac{c^{2}-a^{2}-b^{2}}{2\cdot a \cdot b}

\cos C = -\frac{10.4^{2}-8.466^{2}-5.79^{2}}{2\cdot (8.466)\cdot (5.79)}

\cos C = -0.030

C \approx 91.732^{\circ}

3 0
3 years ago
Lua is creating a rectangular prism the base of her prism is shown below she plans to have a height of 7 cubes
tresset_1 [31]

Answer:

63

Step-by-step explanation:

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2 years ago
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