2 years ago

Describe fully the single transformation that maps a onto shape b

Mathematics

2 answers:

lana [24]2 years ago

8 0

Translation over a to b

arlik [135]2 years ago

3 0

Answer:

Reflected over y-axis

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Alenkasestr [34]

Use

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Pls help i have no idea how to do this <br> Find the Missing angles

Semenov [28]

To be honest I just know that #1 is 143 (I think)

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2 years ago

Find the 67th term of the arithmetic sequence –17, -23, -29,...

Maksim231197 [3]

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Step-by-step explanation:

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3 years ago

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Using the quadratic formula to solve 4x2 – 3x + 9 = 2x + 1, what are the values of x?

yaroslaw [1]

Answer:

The value of x is:

$x=\dfrac{5\pm \sqrt{103}i}{8}$

Step-by-step explanation:

we have to use the quadratic formula to solve for x.

The equation is given as:

$4x^2-3x+9=2x+1$

which could also be written as:

$4x^2-3x+9-2x-1=0\\\\4x^2-3x-2x+9-1=0\\\\\\4x^2-5x+8=0$

The quadratic formula for the quadratic equation of the type:

$ax^2+bx+c=0$ is given as:

$x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

Here we have:

a=4, b=-5 and c=8.

Hence, by the quadratic formula we have:

$x=\dfrac{-(-5)\pm \sqrt{(-5)^2-4\times 8\times 4}}{2\times 4}\\\\x=\dfrac{5\pm \sqrt{25-128}}{8}\\\\\\x=\dfrac{5\pm \sqrt{103}i}{8}$

Hence, the value of x is:

$x=\dfrac{5\pm \sqrt{103}i}{8}$

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I need help please???!!!!!!!

aleksandrvk [35]

Answer:

512 is equivalent

Step-by-step explanation:

2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2=2^9

2^9=512

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3 years ago