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4 years ago

What is the length of the third side

Mathematics

1 answer:

stiks02 [169]4 years ago

3 0

Third side = (10x + 2 ) - (5x + 2x + 9)
third side = 10x + 2 - 7x - 9
third side = 3x - 7

answer

third side = 3x - 7

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LAST ONE THEN IM GONE TILL NEXT YEAR<br> jk not really

In-s [12.5K]

Answer:

The point is in Quadrant IV.

Step-by-step explanation:

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3 years ago

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3 years ago

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Answer:

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Answer: 2:6 as 3:9

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---

Equation:

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Step-by-step explanation:

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3 years ago

Find the value(s) of k such that 4x² + kx + 4 = 0 has 1 rational solution

Blababa [14]

Answer:

If you mean only one rational solution, the answer is

$k_1 = 8, k_2 = -8$

If you mean at least 1 rational solution, the answer is

$k\in (-\infty, -8]\cup[8, \infty)$

Step-by-step explanation:

$4x^2 + kx + 4 = 0$

Let's calculate the discriminant.

$\Delta = b^2 - 4ac$

$\Delta = k^2 -4 \cdot 4 \cdot 4$

$\Delta = k^2 -64$

Now, remember that:

$\text{If } \Delta > 0 : \text{2 Real solutions}$

$\text{If } \Delta = 0 : \text{1 Real solution}$

$\text{If } \Delta < 0 : \text{No Real solution}$

Therefore, I will just consider the first two cases.

$k^2 - 64 > 0$

and

$k^2 -64 = 0$

$\boxed{\text{For } k^2 - 64 > 0}$

$k^2 > 64 \Longleftrightarrow k>\pm\sqrt{64} \Longleftrightarrow k\in (-\infty, -8)\cup(8, \infty)$

$\boxed{\text{For } k^2 - 64 = 0}$

$k^2 = 64 \Longleftrightarrow k=\pm\sqrt{64} \implies k_1 = 8, k_2 = -8$

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3 years ago

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dsp73

The answer to your question is, The pool dropped 1.38/16 inches per hour.

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3 years ago