2 years ago

Convert to standard form: y=1/3x + 3/4

Mathematics

1 answer:

ira [324]2 years ago

6 0

Answer:

4x-12y=9

Step-by-step explanation:

y=1/3 x + 3/4

1/3 x-y=3/4

(x-3y)/3=3/4

4(x-3y)=3×3

4x-12y=9

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Derive the equation of the parabola with a focus at (_5, 5) and a directrix of y = -1.

mars1129 [50]

Answer: Option D is correct.

Step-by-step explanation:

Since we have given that

focus = (-5,5)

and a directrix y= -1

Since, equation of parabola in this case will be

$(x-h)^2=4.a(y-k)$

Now, here

$y=k-a=-1\\\\\text { focus =(h,k+a)}\\\\\text{So,} k+a=5\\\\\text{ by solving these two equation , we get }\\\\a=3\text{ and } k=2$

So equation will be

$(x+5)^2=4\times 3(y-2)\\\\(x+5)^2=12(y-3)\\\\y=\frac{1}{12}(x+5)^2+2$

So, option D is correct .

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2 years ago

Read 2 more answers

un cine tiene 2 salas la sala A tiene 1920 butacas distribuidas en 24 filas con la misma cantidad en cada una ¿cuantas butacas t

Svetlanka [38]

Answer:

80 and B is 96

Step-by-step explanation:

1920 ÷ 24 = 80

1920 ÷ 20 = 96

puedes comprobarlo en la calculadora

lo siento si es incorrecto

eso es lo que entendí

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3 years ago

1) what is 1/5 times 1/2 ?

Savatey [412]

1. 1/10
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3. 1/10
4. 1/6
5. 3/14

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3 years ago

The legend on a map states that

dimulka [17.4K]

Answer:

Step-by-step explanation:

1 cm=10 km

8 cm=10×8=80 km

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3 years ago

Can someone please help complete this, it’s due at midnight and I don’t understand at all.

Bezzdna [24]

Answer:

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Step-by-step explanation:

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2 years ago