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3 years ago

X 2 + y 2 - 10x - 8y + 1 = 0

1 answer:

7 0

Center: (5,4)

Radius: 2√10

Hope this helped☺☺

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Mrs Vargas is 4 years less than 4times her daughter anas age. Mrs Vargas son Leo is 3years more than two times Ana's age.If Ana

shusha [124]

Answer: 2a - 7

Step-by-step explanation:

Ana: a

Mrs Vargas: 4a - 4

Leo: 2a + 3

Mrs Vargas - Leo

= (4a - 4) - (2a + 3)

= 4a - 4 -2a - 3

= 2a - 7

5 0

3 years ago

Determine the value of y, if x is 6. y = |x|-1 Answer:

Karolina [17]

Answer:

Step-by-step explanation:

8 0

3 years ago

Anyone know the answer??

Serggg [28]

Answer:

the second option

Step-by-step explanation:

in ax²+bx+c = 0:

$x = \frac{-b+-\sqrt{b^2-4ac} }{2a}$

subtract both sides by 6 to get to this form, as the right side will be left with 0

6x² + 8x - 6 = 0

here, the coefficient for x² (a) is 6, the coefficient for x (b) is 8, and the remaining number added on (c) is -6

plugging our numbers into the formula, we get

$x = \frac{-8+-\sqrt{(-8)^2-4(6)(-6)} }{2(6)}\\= \frac{-8+-\sqrt{64-(-144)} }{12} \\= \frac{-8+-\sqrt{208} }{12} \\ = \frac{-8+\sqrt{208} }{12} or \frac{-8-\sqrt{208} }{12}\\= 0.53518375848 or -1.86851709182\\= approximately -1.87, 0.54$

8 0

1 year ago

David is buying 3 books in a trilogy set for $24.81. He will save $6.69 by buying the trilogy set instead of buying individual b

Ainat [17]

Answer:

Cost of each individual book = $10.5

Step-by-step explanation:

Given:

Cost of 3 book set = $24.81

Amount save = $6.69

Find:

Cost of each individual book

Computation:

Assume:

Cost of each individual book = a

Total cost = 3a

So,

Total cost = $24.81 + $6.69

Total cost = $31.5

So,

3a = $31.5

a = $10.5

Cost of each individual book = $10.5

4 0

2 years ago

Use fraction models to multiply, then simplify the answer if needed. 6/7 x 1/2

yuradex [85]

Anwser would be 18/14 simplified to 9/7

3 0

2 years ago

Read 2 more answers