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Blizzard [7]
4 years ago
7

A = h/2 * (a + b ); for h

Mathematics
2 answers:
Ksivusya [100]4 years ago
7 0
h/2 * (a + b )=A
h/2=A/(a+b)
h=2A/(a+b)
vova2212 [387]4 years ago
4 0
A=\dfrac{h}{2}(a+b)\\
2A=h(a+b)\\
h=\dfrac{2A}{a+b}

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Nookie1986 [14]

Answer:

The roots of the equation for the given quadratic equation is               -2\pm \frac{\sqrt{6}}{2} .

Step-by-step explanation:

Given quadratic equation as :

2 x² + 8 x + 5 = 0

The roots of the quadratic equation  ax² + bx + c = 0 as can be find as :

x = \frac{-b\pm \sqrt{b^{2}-4\times a\times c}}{2\times a}

x = \frac{-8\pm \sqrt{8^{2}-4\times 2\times 5}}{2\times 2}

or, x = \frac{-8\pm \sqrt{64-40}}{4}

Or, x = \frac{-8\pm \sqrt{24}}{4}

Or, x = \frac{-8\pm 2\sqrt{6}}{4}

∴ x = -2\pm \frac{\sqrt{6}}{2}

Hence The roots of the equation for the given quadratic equation is -2\pm \frac{\sqrt{6}}{2} . Answer

8 0
3 years ago
Kim S age is twice that of her sister when you add Kim's age to her sisters age of 36 how old is each sister right in equation t
Damm [24]
 equation (s+k=36)
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6 0
3 years ago
What is the graph description for y=-10x
Serga [27]
Y = - 10x has a negative slope, m = -10, and a y-intercept of (0, 0).

The graph includes the following points:

{(-2, 20), (-1, 10), (0, 0), (1, -10), (2, -20)}.

Attached is a screenshot of the graph, where it includes the y-intercept crossing along the point of origin, (0, 0).

Please mark my answers as the Brainliest, if you find this helpful :)

8 0
3 years ago
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Answer:

There is not enough information to answer, you did not say measurements of both drinks.

Step-by-step explanation:

8 0
3 years ago
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otez555 [7]

Answer:

28 days

Step-by-step explanation:

You multiply 7 by 4 for find the number of days in 4 weeks, since 1 week is 7 days: 7 × 4 = 28.

Hope this helps!

8 0
3 years ago
Read 2 more answers
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