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stiv31 [10]
3 years ago
15

A hyperbola has vertices (5,0) and (-5,0). Its

Mathematics
1 answer:
ivolga24 [154]3 years ago
6 0

Answer:

The equation of the hyperbola   \frac{x^2}{25} - \frac{y^2}{3696} = 1

Step-by-step explanation:

Given hyperbola vertices are (5,0) and (-5,0)

The foci of the hyperbola is (61,0) and (- 61,0) so the foci is lie on x-axis

here the vertex a =5 and foci ('c')= 61

we know the condition c^{2} = a^2+b^2

  now substitute a =5 and c= 61

                            b^2 = 61^2 - 5^2 = 3696

                            a^2 = 25

The equation of the hyperbola   \frac{x^2}{a^2} - \frac{y^2}{b^2} = 1

The equation of the hyperbola   \frac{x^2}{25} - \frac{y^2}{3696} = 1

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Expand the following:<br> a) 3(x + 5)<br> b) 4(x-4)<br> c) 2(5x + 1)<br> d) 7(x-9y)
Tema [17]

Answer:

<h3>a. 3x+15</h3><h3>b. 4x-16</h3><h3>c. 10x+2</h3><h3>D. 7x-63y</h3>

solution,

a. \: 3(x + 5) \\  \:  \:  = 3 \times x + 3  \times 5 \\  \:  \:  = 3x + 15

b. \: 4(x - 4) \\  \:  \:  = 4 \times x - 4 \times 4 \\  \:  \:  = 4x - 16

c. \: 2(5x + 1) \\  \:  = 2 \times 5x + 2 \times 1 \\  \:  \:  = 10x + 2

d . \: 7(x - 9y) \\  \:  = 7 \times x - 7 \times 9y \\  \:  \:  = 7x - 63y

Hope this helps..

Good luck on your assignment..

8 0
3 years ago
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Is -0.142857142857142857 rational or irrational
sesenic [268]

Answer: Irrational because cannot be turned into fractions

Step-by-step explanation:

7 0
3 years ago
Select the correct answer from the drop-down menu.
lidiya [134]

Answer:

6y² - 20y + 6

Step-by-step explanation:

Use FOIL method

(3y - 1)(y-3) = 3y*y + 3y*(-3) + (-1)*y + (-1)*(-3)

                 = 3y²- 9y - y + 3    {add the like terms}

                = 3y² - 10y + 3

2(3y - 1)(y - 3) = 2 ( 3y² - 10y + 3)

                      = 2*3y² - 2*10y + 2*3

                      = 6y² - 20y + 6

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4 0
2 years ago
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Beth will borrow $10,000 which earns 4% compound interest and she will repay that amount in 20 years. How much interest was earn
Serggg [28]

Answer:

I=\$11,911.23

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the amount that she will repay  

P is the amount borrowed  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

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substitute in the formula above  

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Find out the interest

I=A-P

substitute the values

I=\$21,911.23-\$10,000=\$11,911.23

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