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lutik1710 [3]
3 years ago
8

A triangle has side lengths 35 cm, 46 cm, and 68 cm.

Mathematics
1 answer:
nika2105 [10]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Hope this Helps!

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Answer:

7x^2-x-14

Step-by-step explanation:

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What are the axis of symmetry and vertex of the quadratic function y=-2x^2-8x+5​
garik1379 [7]

\bf \textit{vertex of a vertical parabola, using coefficients} \\\\ y=\stackrel{\stackrel{a}{\downarrow }}{-2}x^2\stackrel{\stackrel{b}{\downarrow }}{-8}x\stackrel{\stackrel{c}{\downarrow }}{+5} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left( -\cfrac{(-8)}{2(-2)}~~,~~5-\cfrac{(-8)^2}{4(-2)} \right)\implies \left( \cfrac{8}{-4}~~,~~5-\cfrac{64}{-8} \right)\implies (-2~~,~~5+8) \\\\\\ (-2~~,~~13)~\hfill \stackrel{\textit{axis of symmetry}}{x=-2}

recall that the axis of symmetry for a vertical parabola is simply the equation for the vertical line of the vertex's x-coordinate.

3 0
4 years ago
What is the value of x in the equation 4x+8y=40, when y=0.8?
lubasha [3.4K]
4x+8y=40
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4x+6.4=40
40-6.4=33.6
4x=33.6
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X=8.4
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3 years ago
What is 1/10 Of 200. I don't now help plZ
inna [77]
It is 20 because 20/200=10/100=1/10
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