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malfutka [58]
2 years ago
7

What is the measure of side BC?

Mathematics
2 answers:
Aleksandr-060686 [28]2 years ago
5 0

Answer:

I think that the measure of side BC is 2

Step-by-step explanation:

nexus9112 [7]2 years ago
4 0

Answer:I think either a or c im not sure

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A dollar ????????????
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3 years ago
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pickupchik [31]

Answer:

3-2

Step-by-step explanation

8 0
2 years ago
Determine the equation of the circle graphed below. <br><br> ( please help me )
Brums [2.3K]

Answer:

Equation : \\(x+3)^2 + ( y -2)^2 = 36

Step-by-step explanation:

For standard form the circle's equation we need the centre of the circle and the radius.

Step 1: <em><u>Find the centre</u></em>

If the centre is not given find the end points of the diameter

and then find the mid point.

Let the end points of the diameter be : ( - 3 , 8 ) and ( -3 , -4 )

The mid-point of the diameter is :

                        Mid-point = (\frac{-3 + - 3}{2}, \frac{-4+8}{2}) =  (-3, 2)

Therefore, centre of the circle = ( -3 , 2 )

Step 2 : <u>Find radius</u>

<u></u>Radius = \frac{Diameter }{2}<u></u>

Diameter is the distance between the end points ( -3 , 8) and ( -3 , -4 )

That is ,

 Diameter = \sqrt{(-3-(-3))^2 + ( -4 -8)^2}\\

                 = \sqrt{(-3 + 3)^2 + (-12)^2}\\\\=\sqrt{0 + 144}\\\\=12

Therefore ,

       Radius = \frac{12}{2} = 6

Step 3 : <u>Equation of the circle</u>

Standard equation of the circle with centre ( h ,k )

and radius ,r is :

       (x - h)^2+(y -k)^2 = r^2

Therefore, the equation of the circle with centre ( -3, 2)

and radius = 6 is :

    (x - (-3))^2 +  (y - 2)^2 = 6^2\\\\(x + 3)^2 + (y - 2)^2 = 36

5 0
2 years ago
Help me solve this. Thank youx
liubo4ka [24]

I guess it's b

{x}^{2}  + 8x + 16 \\  \\ 1. \:  {x}^{2}  + 2(x)(4) +  {4}^{2}  \\ 2. \: (x + 4)^{2}

7 0
2 years ago
What is the simplest form of 4/7+1/3=​
Serggg [28]

Answer:

19/21 or .90

Step-by-step explanation:

Common denominator.

Multiply 4/7 by 3 which equals to 12/21

Multiply 1/3 by 7 which equals to 7/21

Add 12/21 and 7/21

Answer: 19/21

3 0
2 years ago
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