<span>The main difference between a mountain and a plateau is that the mountain is an elevated, pointed structure whereas a plateau is an elevated area with a flat top. A plateau is generally lower in height than mountain, though there are plateaus higher than some mountains.</span>
Answer:
May you please post the entire question? Not enough information has been given.
Explanation:
The Line 16-18 in the dream that was described as a triplet that expresses the speaker's lament for lost dreams.
<h3>What is the book of
Lost Dreams?</h3>
The book of Lost Dreams is a collection of firsthand stories that entails different and wide variety of lost dreams.
The Lines 16-18 of the book can be described as a triplet that expresses the speaker's lament for lost dreams.
Therefore, the Option D is correct.
Missing options <em>"A) lines 1-3, B) lines 5-7, C) lines 9-11, D) lines 16-18"</em>
Read more about Lost Dreams
<em>brainly.com/question/25605883</em>
Answer:
a = 6
Explanation:
If the system of equations has no solution, their graphs have the same slope.
1. Slope of first equation
![\begin{array}{rcl}|\frac{1}{2}x - \frac{2}{3} y|& = & 7\\|3x - 4y| & = & 42\\3x - 4y & = & \pm42\\-4y & = & -3x \pm 42\\y & = & \frac{3}{4}x \mp \frac{42}{4}\\\\\text{Slope}& = & \dfrac{3}{4} \end{array}](https://tex.z-dn.net/?f=%5Cbegin%7Barray%7D%7Brcl%7D%7C%5Cfrac%7B1%7D%7B2%7Dx%20-%20%5Cfrac%7B2%7D%7B3%7D%20y%7C%26%20%3D%20%26%207%5C%5C%7C3x%20-%204y%7C%20%26%20%3D%20%26%2042%5C%5C3x%20-%204y%20%26%20%3D%20%26%20%5Cpm42%5C%5C-4y%20%26%20%3D%20%26%20-3x%20%5Cpm%2042%5C%5Cy%20%26%20%3D%20%26%20%5Cfrac%7B3%7D%7B4%7Dx%20%5Cmp%20%5Cfrac%7B42%7D%7B4%7D%5C%5C%5C%5C%5Ctext%7BSlope%7D%26%20%3D%20%26%20%5Cdfrac%7B3%7D%7B4%7D%20%5Cend%7Barray%7D)
2. Slope of second equation
![\begin{array}{rcl}|ax - 8y| & = & 1\\ax - 8y & = & \pm 1\\-8y & = & -ax \pm 1\\y & = & \frac{a}{8}x\mp \frac{1}{8}\\\\\text{Slope} & = & \dfrac{a}{8}\\\end{array}](https://tex.z-dn.net/?f=%5Cbegin%7Barray%7D%7Brcl%7D%7Cax%20-%208y%7C%20%26%20%3D%20%26%201%5C%5Cax%20-%208y%20%26%20%3D%20%26%20%5Cpm%201%5C%5C-8y%20%26%20%3D%20%26%20-ax%20%5Cpm%201%5C%5Cy%20%26%20%3D%20%26%20%5Cfrac%7Ba%7D%7B8%7Dx%5Cmp%20%5Cfrac%7B1%7D%7B8%7D%5C%5C%5C%5C%5Ctext%7BSlope%7D%20%26%20%3D%20%26%20%5Cdfrac%7Ba%7D%7B8%7D%5C%5C%5Cend%7Barray%7D)
3. Value of a
![\begin{array}{rcl}\dfrac{3}{4} & = & \dfrac{a}{8}\\\\a & = & \dfrac{24}{4}\\\\ & = & \mathbf{6}\\\end{array}](https://tex.z-dn.net/?f=%5Cbegin%7Barray%7D%7Brcl%7D%5Cdfrac%7B3%7D%7B4%7D%20%26%20%3D%20%26%20%5Cdfrac%7Ba%7D%7B8%7D%5C%5C%5C%5Ca%20%26%20%3D%20%26%20%5Cdfrac%7B24%7D%7B4%7D%5C%5C%5C%5C%20%26%20%3D%20%26%20%5Cmathbf%7B6%7D%5C%5C%5Cend%7Barray%7D)
Check:
![\begin{array}{rcrrcl}|\frac{1}{2}x - \frac{2}{3} y|& = & 7 & \qquad |6x - 8y| & = &1\\|3x - 4y| & = & 42 &|3x - 4y| &= &\frac{1}{2} & \\\end{array}\\\text{Both equations have the same slope}](https://tex.z-dn.net/?f=%5Cbegin%7Barray%7D%7Brcrrcl%7D%7C%5Cfrac%7B1%7D%7B2%7Dx%20-%20%5Cfrac%7B2%7D%7B3%7D%20y%7C%26%20%3D%20%26%207%20%26%20%5Cqquad%20%7C6x%20-%208y%7C%20%26%20%3D%20%261%5C%5C%7C3x%20-%204y%7C%20%26%20%3D%20%26%2042%20%26%7C3x%20-%204y%7C%20%26%3D%20%26%5Cfrac%7B1%7D%7B2%7D%20%26%20%5C%5C%5Cend%7Barray%7D%5C%5C%5Ctext%7BBoth%20equations%20have%20the%20same%20slope%7D)