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3 years ago

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Which of the following equations has exactly one solution? A. 4 x − 4 + 2 x = 6 x − 4 B. 4 x − 8 = 4 ( x − 4 ) C. 3 x + 5 = 2 x

− 6 D. 2 ( 4 x + 5 ) = 8 x + 10

1 answer:

USPshnik [31]3 years ago

8 0

Answer:

C. 3x + 5 = 2x -6

Step-by-step explanation:

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If csc 0 = 2, find sin 0

Slav-nsk [51]

Answer:

1/2 (Please read explanation to educate yourself)

Step-by-step explanation:

csc = hyp/opp

sin is the inverse of csc --> sin = opp/hyp

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Very basic trigonometry and it is the fundamentals of every higher math so learn it well.

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Make b the subject a= 1/4 b

dalvyx [7]

<u>Answer</u>:

b = 4a

<u>Step-by-step explanation</u>:

$a = \frac{b}{4}$

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<em>changing sides changes sign division to multiplication.</em>

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2 years ago

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If (-1,4) and (3,-2) are end points of diameter of the circle, then the equation of the circle is

Volgvan

Answer:

If you've more doubts you can ask :)

Step-by-step explanation:

If the centre of a circle is (a, b) and radius r, then the equation of the circle is :

$(x - x)^2 + (y-b)^2 = r^2$

<em><u>First we will find the centre, (a , b): </u></em>

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<em><u>Find radius:</u></em>

$Radius, r = \frac{Diameter}{2}$

Diameter is the distance between (-1, 4) and (3, -2)

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47.4% of the number 22 is 10.428.

Hoped I helped!

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