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aleksandr82 [10.1K]

3 years ago

8

What is a good calculator that will give you the points to linear inequality systems?

1 answer:

satela [25.4K]3 years ago

4 0

Answer:

I would just recommend you using M A T H W A Y and paying for the measly little $9.99 for the step-by-step answers.

Step-by-step explanation:

Or desmos would work but I would highly recommend m a t h w a y

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V = Bh for h. <br> A. h = BV<br> B. h=B/V<br> C. h=V/B<br> D. h = V – B

Darina [25.2K]

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3 years ago

Help please! <br><br> Geometry R.10 Solve a right triangle

Len [333]

That is a 30 60 90 triangle
The "short" side (DE) equals the middle side (FE) times (1 / sq rt(3))
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Source:
http://www.1728.org/trig2.htm

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3 years ago

What value of k will result in the quadratic having one rational solution if 4x2+kx+4=0?

PtichkaEL [24]

The value of 'k' in the quadratic Equation $4x^{2}+kx+4=0$ having one rational solution is k is 8.

<h3>What is a Quadratic Equation?</h3>

Quadratic equations are the polynomial equations of degree 2 in one variable of the type $f(x) = ax^{2} + bx + c = 0$ where a, b, c, ∈ R and a ≠ 0.
The standard form of a quadratic equation is $ax^{2} + bx + c = 0$ .

Here, the given equation is $4x^{2}+kx+4=0$

By comparing the given equation with the standard form of the quadratic equation we get,

a = 4

b = k

c = 4

The given quadratic is having one rational solution, which means $b^{2} -4ac=0$

Therefore,

$k^{2} -4 \times 4\times4=0\\k^{2} -64=0\\k^{2} =64\\k=\sqrt{64} \\k=8$

Therefore, the value of k is 8.

Learn more about the quadratic equation is brainly.com/question/8649555

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2 years ago