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AnnZ [28]
4 years ago
12

Geometry question :

Mathematics
1 answer:
34kurt4 years ago
7 0
You have to use the midpoint formula, which is (x1+x2/2, y1+y2/2)

1. Plug in the coordinates

((-3 + 5)/2, (17 + 2)/2)

2. Solve the equation

(2/2, 19/2)

Center of the circle: (1, 9.5)
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Fill in the blanks<br> 3 over 8 = 15 over something
Viktor [21]
\frac{3}{8}= \frac{15}{x} \\  \frac{3}{8} \frac{*5}{*5}= \boxed{\frac{15}{40}}
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Write 1378 in expanded form <br><br> 1378=
olganol [36]

Answer:

1000+ 300+ 70+ 8=1378

Step-by-step explanation:

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3 years ago
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The center of a hyperbola is located at the origin. One focus is located at (−50, 0) and its associated directrix is represented
leva [86]

The equation of the hyperbola is : \frac{x^{2}}{48^2}  - \frac{y^{2}}{14^2}  = 1

The center of a hyperbola is located at the origin that means at (0, 0) and one of the focus is at (-50, 0)

As both center and the focus are lying on the x-axis, so the hyperbola is a horizontal hyperbola and the standard equation of horizontal hyperbola when center is at origin: \frac{x^{2}}{a^{2}}  - \frac{y^{2}}{b^{2}}    = 1

The distance from center to focus is 'c' and here focus is at (-50,0)

So, c= 50

Now if the distance from center to the directrix line is 'd', then

d= \frac{a^{2}}{c}

Here the directrix line is given as : x= 2304/50

Thus, \frac{a^{2}}{c}  = \frac{2304}{50}

⇒ \frac{a^{2}}{50}  = \frac{2304}{50}

⇒ a² = 2304

⇒ a = √2304 = 48

For hyperbola, b² = c² - a²

⇒ b² = 50² - 48² (By plugging c=50 and a = 48)

⇒ b² = 2500 - 2304

⇒ b² = 196

⇒ b = √196 = 14

So, the equation of the hyperbola is : \frac{x^{2}}{48^2}  - \frac{y^{2}}{14^2}  = 1

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3 years ago
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A jump suit costs 125 dollars.The rate of the discount is 20 percent.What is the discount
almond37 [142]
10% of $125 is $12.50.

Now 20%=2*10%.

So 20% of $125 is $25.

If you were to receive a 20% discount, you'd only have to pay $100 to bag the jump suit.
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Can someone help me pls?​
Aleks [24]
The answer is number two
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