What is the radius of this circle?

Mathematics

2 answers:

ahrayia [7]2 years ago

5 0

Answer:

Step-by-step explanation:

Vesna [10]2 years ago

3 0

Answer:

Step-by-step explanation:

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1 the sum of the binomials 3 + 2x and 4 – 5x. Explain how you can use the

GalinKa [24]

Answer:

(3 + 2x) + (4 – 5x) = 7 - 3x

(3 + 2i) + (4 – 5i) = 7 - 3i

Step-by-step explanation:

In the addition of two binomials you have to add separately each monomial as follows:

(3 + 2x) + (4 – 5x) =

= (3 + 4) + (2x - 5x) =

= 7 - 3x

Analogously, the sum of the complex numbers 3 + 2i and 4 – 5i is made adding the two real parts from one side, and the two imaginary parts from the other side, as follows:

(3 + 2i) + (4 – 5i) =

= (3 + 4) + (2i - 5i) =

= 7 - 3i

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3 years ago

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Solve for the following system by using Elimination4x-2y=86x+6y=30

Ilia_Sergeevich [38]

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$\begin{gathered} 4x-2y=8 \\ 6x+6y=30 \end{gathered}$ $\begin{gathered} 3(4x-2y)=8 \\ 6x+6y=30 \\ \\ 12x-6y=24 \\ + \\ 6x+6y=30 \\ \\ 12x+6x-6y+6y=24+30 \\ 18x=54 \\ x=3 \end{gathered}$

Now, for y

$\begin{gathered} 4x-2y=8 \\ -2y=8-4x \\ 2y=4x-8 \\ y=\frac{4x-8}{2} \\ y=\frac{4\cdot3-8}{2} \\ y=\frac{12-8}{2} \\ y=\frac{4}{2} \\ y=2 \end{gathered}$

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Solve: (a-7)(a+1) = 0

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Step-by-step explanation:

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Find the coordinates of point T

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