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pychu [463]
3 years ago
14

Please help me with this math problem!! NO LINKS PLEASE!! DUE TONIGHT AT 11:59PM!! THANKS!! :)

Mathematics
1 answer:
siniylev [52]3 years ago
6 0

\sin \gamma = \dfrac wk\\\\\\\tan \varphi = \dfrac mw\\\\\\\tan \gamma = \dfrac wm

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A circle has a diameter with endpoints (-8, 2) and (-2, 6).<br> What is the equation of the circle?
choli [55]

Answer:

Step-by-step explanation:

Alright, lets get started.

We have given two points that are end point of diameter.

So, the center point will be :

x co-ordinate :\frac{-8-2}{2}=-5

y co-ordinate : \frac{2+6}{2}=4

Hence the center is : (-5,4)

Now the distance between these two end points :

d=\sqrt{(6-2)^2+(-2+8)^2}

d=\sqrt{16+36}

d=\sqrt{52}

So radius will be half of this diameter.

r=\frac{\sqrt{52} }{2}

Plugging these values in standard equation of circle

(x-x_{1} )^2+(y-y_{1} )^2=r^2

(x+5)^2+(y-4)^2=\frac{52}{4}

(x+5)^2+(y-4)^2=13 .................................. This is the answer

Hope it will help :)

8 0
3 years ago
Si en un grupo de 10 personas se va a repartir refrescos de 10 sabores diferentes, y se sabe que hay uno de fresa y uno de piña
SashulF [63]

Respuesta: 0.011

Explicación paso a paso:

Dado que:

Número de sabor a refresco = 10

Número de sabor a piña = 1

Número de sabor a fresa = 1

P (primero es fresa) = número de sabor a fresa / número total de sabor

P (primero es fresa) = 1/10

P (el segundo es sabor a piña) = número de sabor a piña / número total de sabor

P (segundo sabor a piña) = 1/9

Probabilidades independientes:

P (primero es fresa) * P (segundo sabor a piña)

= (1/10) * (1/9)

= 1/90

= 0.011

8 0
3 years ago
I NEED HELP PLEASE!!
Alexus [3.1K]

Answer:

Mario will need 27 mushroom power ups

Step-by-step explanation:

6f = 10m

/2     /2

3f = 5m

*9   *9

27f  = 45m

7 0
3 years ago
What is the equation of the line through (2, -4) and (0, 4)?
Natasha_Volkova [10]
Answer: C

m = slope

m = (y2 - y1) / (x2 - x1)

2 points:
(2, -4) x1 = 2 and y1 = -4
(0, 4) x2 = 0 and y2 = 4

m = (4 - (-4)) / (0- 2)

m = 8 / -2

m = -4

Equation of the line is : y = mx + b

So we got...

y = -4x + b

Then we can use any of the two points given to solve for b. I’m going to use (0, 4).

y = -4x + b

4 = -4(0) + b

4 = 0 + b

4 = b

Therefore the equation of the line is
y = -4x + 4
4 0
3 years ago
Line / has the equation y ==xFind the equation of the image of , after a dilation with a scale factor of 2, centered at the orig
svetoff [14.1K]

Answer:

i dont know that the reason why i here in brainy

7 0
3 years ago
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