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Marat540 [252]
3 years ago
13

The adjacent sides of a parallelogram measure 14 centimeters and 20 centimeters, and one angle measures 57 degrees. Find the are

a of the parallelogram
Mathematics
1 answer:
egoroff_w [7]3 years ago
8 0
sin 57° = h/14,  h=11,74.....
Area = h*20 = 234,82.... (cm²)
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Find the quotient of '(16t^2-4)/(8t+4)'
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there is another expression (8t + 4)

the expression can also be written as 2(4t + 2)

now we have to divide both the expressions

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the expression comes out to be (2t - 1)

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Hope it helps :)

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2 years ago
How can I can the Graphing the function
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in short, you simply pick a few random "x" values, to get the "y", and that's your point, for example say x = 2, then y = -(2)² - 4 => y = -8, that gives us the point of (2, -8), and so on.


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\bf y=-4x^2-4\implies y=-4x^2+0x-4 \\\\[-0.35em] ~\dotfill\\\\ \textit{vertex of a vertical parabola, using coefficients} \\\\ y=\stackrel{\stackrel{a}{\downarrow }}{-4}x^2\stackrel{\stackrel{b}{\downarrow }}{+0}x\stackrel{\stackrel{c}{\downarrow }}{-4} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left(-\cfrac{0}{2(-4)}~,~-4-\cfrac{0}{4(-4)} \right)\implies (0~,~-4-0)\implies (0,-4)


and since it's a vertical parabola, the axis of symmetry comes from the x-coordinate of the vertex, namely x = 0, check the picture below.

6 0
3 years ago
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Maksim231197 [3]

Answer:

Step-by-step explanation:

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