2 years ago

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Mathematics

1 answer:

Bad White [126]2 years ago

6 0

Answer:

201.13

Step-by-step explanation:

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A pair of jeans cost $39.99. If you have a coupon for 25% off, how much will the jeans cost before tax?

Paraphin [41]

Answer:

The closest answer is $30.00, the original answer is $29.99

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3 years ago

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How to find the domain of a composite function

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The domain of a composite function f(g(x)) f ( g ( x ) ) is the set of those inputs x in the domain of g for which g(x) is in the domain of f .

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2 years ago

Can someone help.....

tatyana61 [14]

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Step-by-step explanation:

formula for circumference of a circle is $\pi$ d

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3 years ago

Find an equation in rectangular coordinates for the cylindrical equation r = 2sintheta

frutty [35]

Answer:

$x^2+(y-1)^2=1$

Step-by-step explanation:

The given cylindrical equation is

$r=2\sin \theta$

Multiply both sides by r.

$r^2=2r\sin \theta$ .... (1)

The required formulas are

$x=r\cos \theta,y=r\sin \theta,r^2=x^2+y^2$

Substitute $r\sin \theta =y,r^2=x^2+y^2$ in equation (1).

$x^2+y^2=2y$

$x^2+y^2-2y=0$

Add 1 on both sides.

$x^2+(y^2-2y+1)=1$

$(x-0)^2+(y-1)^2=1^2$ $[\because (a-b)^2=a^2-2ab+b^2]$

It is the equation of a circle centered at (0,1) with radius 1.

Therefore, the equation in rectangular coordinates is $x^2+(y-1)^2=1$ .

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3 years ago

If y varies inversely as n and m = 8 when n = 3 find m whenn =12

zepelin [54]

Answer:

Step-by-step explanation:

m=8x4 n=3x4 so that is the answer

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2 years ago

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