4 years ago

Find the value of x and y

Mathematics

1 answer:

SCORPION-xisa [38]4 years ago

8 0

Check the picture below.

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write the equation of a line in slope intercept form that contains the points ( - 5,2 ) and ( 1, - 4 )

Natalija [7]

Equation of a line is given by y - y1 = m(x - x1); where m = (y2 - y1)/(x2 - x1)

y - 2 = ((-4 - 2)/(1 - (-5))(x - (-5))
y - 2 = (-6/(1 + 5))(x + 5)
y - 2 = (-6/6)(x + 5)
y - 2 = -1(x + 5)
y - 2 = -x - 5
y = -x - 5 + 2
y = -x - 3

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3 years ago

What is the answer for X-5(x-1)=x(2x-3) ?

Mandarinka [93]

Answer:

1 2/3

Step-by-step explanation:

x-5x+5=2x-3x

-4x+5= -1x

5=3x

5/3=x

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3 years ago

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The table shows the wavelength of the sound produced by keys on a piano x keys away from the A above middle C.

konstantin123 [22]

Answer:

B 49.44 cm is your answer!

Step-by-step explanation:

I took the test!

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3 years ago

In ΔIJK, the measure of ∠K=90°, KJ = 63, IK = 16, and JI = 65. What ratio represents the sine of ∠I?

FinnZ [79.3K]

The sine of ∠I is represented by the ratio 63:65

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3 years ago

What is the standard form of the ellipse equation

vlabodo [156]

Answer: <em>The correct answer is in the first option.</em>

Step-by-step explanation:

Equation of an Ellipse

$\dfrac{x^{2} }{a^{2} } +\dfrac{y^{2} }{b^{2} } =1\\\\25x^{2} - 150x + 9y^{2} = 0\\\\\text {Let's \: perform \: the \: transformations:}\\\\\dfrac{25x^{2} }{25 \cdot 9} -\dfrac{150x}{25 \cdot 9} +\dfrac{9y^{2} }{25 \cdot 9} =0\\\\\dfrac{x^{2} }{3^{2} } -\dfrac{6x}{3^{2} } +\dfrac{y^{2} }{5^{2} } =0\\\\\dfrac{x^{2} -6x}{3^{2} } +\dfrac{y^{2} }{5^{2} } +\dfrac{3^{2} }{3^{2} } -\dfrac{3^{2} }{3^{2} } =0\\\\\dfrac{x^{2} -6x+3^{2} }{3^{2} } +\dfrac{y^{2} }{5^{2} } =\dfrac{3^{2} }{3^{2} }$

$\dfrac{(x-3)^{2} }{3^{2} } +\dfrac{y^{2} }{5^{2} } =1$

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3 years ago