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Gnom [1K]
3 years ago
8

Math assignment test please help

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
5 0

Answer:

12x+15y

Step-by-step explanation:

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{3}^{12}  \div  {3}^{7}  =

{3}^{12}  \times  {3}^{ - 7}  =

{3}^{12 - 7}  =  {3}^{5}

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8 0
3 years ago
Read 2 more answers
Determine the graph of the polar equation r =6/2-2cos theta<br> (picture provided)
vredina [299]

Answer:

Choice D is correct

Step-by-step explanation:

The first step is to write the polar equation of the conic section in standard form by dividing both the numerator and the denominator by 2;

r=\frac{3}{1-cos(theta)}

The eccentricity of this conic section is thus 1, the coefficient of cos θ. Thus, this conic section is a parabola since its eccentricity is 1.

The value of the directrix is determined as;

d = k/e = 3/1 = 3

The denominator of the polar equation of this conic section contains (-cos θ) which implies that this parabola opens towards the right and thus the equation of its directrix is;

x = -3

Thus, the polar equation represents a parabola that opens towards the right with a directrix located at  x = -3. Choice D fits this criteria

5 0
3 years ago
Order the numbers from least to greatest.<br> 54%, 2/5, -0.45<br><br> SHOW YOUR WORK!
Tom [10]

Answer:

-0.45, 2/5, 54%

Step-by-step explanation:

54%=54/100

=87/50

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