$→{x}^{2} + 6x + {y}^{2} - 8y = 19 \\ ({x}^{2} + 2.3.x + {3}^{2} ) +({y}^{2} - 2.4.y + {4}^{2} ) = 19 + {3}^{2} + {4}^{2} \\ {(x + 3)}^{2} + {(y - 4)}^{2} = 19 + 9 + 16 \\ \boxed{ {(x + 3)}^{2} + {(y - 4)}^{2} = 44}✓$

3) (x+3)²+(y-4)²=44 is the right answer.

8 0

2 years ago

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You paid $28.80 for a shirt that was on sale for 20% off of the original price. What was the original price?

MA_775_DIABLO [31]

The answer is 36.

Because 20% of 36 is equal to 7.2

And 36 - 7.2 = 28.80

5 0

2 years ago

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Is t = 9 a solution to the inequality below? 8

dexar [7]

Answer:

Step-by-step explanation:

threr is no 9

7 0

2 years ago

What is the step by step of 1/ cos x csc^2 x = sin x/ cot x

Effectus [21]

Answer:

what is the step by step of 1/ cos x csc^2 x = sin x/ cot x

Step-by-step explanation:

csc

sin

cot

cos

sin

Given,

−

cos

sin

csc

−

cot

Simplify the right side.

csc

−

cot

sin

−

cos

sin

−

cos

sin

∴

, LS

RS.

7 0

2 years ago