ANSWER:
x = -3
Step-by-step explanation:
55+54+x+74=180
109+x+74=180
183 + x = 180
x = -3
Cuando multiplicas un número positivo y un número negativo, la respuesta siempre será negativa:
4(3) = 12
4(-3) = -12
<span>Para multiplicar fracciones, simplemente multiplique los numeradores y los denominadores en línea recta:
5/4 * 4/7 = 20/28 = 10/14 = 5/7
</span><span>Espero que esto ayude.</span>
Answer:
256 burgers
Step-by-step explanation:
64 ÷ ¼
64 × 4
256
Answer:
<h2>A || B, A ⊥ C, B ⊥ C</h2>
Step-by-step explanation:
![\text{Let}\ k:y=m_1x+b_1\ \text{and}\ l:y=m_2x+b_2\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\\\l\ \parallel\ k\iff m_1=m_2\\\\m_1,\ m_2-\ slope\\b_1,\ b_2-\ y-intercept\\\\\text{The formula of a slope:}\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\-----------------------](https://tex.z-dn.net/?f=%5Ctext%7BLet%7D%5C%20k%3Ay%3Dm_1x%2Bb_1%5C%20%5Ctext%7Band%7D%5C%20l%3Ay%3Dm_2x%2Bb_2%5C%5C%5C%5Cl%5C%20%5Cperp%5C%20k%5Ciff%20m_1m_2%3D-1%5Cto%20m_2%3D-%5Cdfrac%7B1%7D%7Bm_1%7D%5C%5C%5C%5Cl%5C%20%5Cparallel%5C%20k%5Ciff%20m_1%3Dm_2%5C%5C%5C%5Cm_1%2C%5C%20m_2-%5C%20slope%5C%5Cb_1%2C%5C%20b_2-%5C%20y-intercept%5C%5C%5C%5C%5Ctext%7BThe%20formula%20of%20a%20slope%3A%7D%5C%5C%5C%5Cm%3D%5Cdfrac%7By_2-y_1%7D%7Bx_2-x_1%7D%5C%5C-----------------------)
![\text{We have points through which the line passes}\\\\Line\ A:\ (0,\ 2),\ (2,\ -2).\\Line\ B:\ (0,\ 4),\ (1,\ 2).\\Line\ C:\ (0,\ -1),\ (4,\ 1).\\\\\text{Calculte the slopes:}](https://tex.z-dn.net/?f=%5Ctext%7BWe%20have%20points%20through%20which%20the%20line%20passes%7D%5C%5C%5C%5CLine%5C%20A%3A%5C%20%280%2C%5C%202%29%2C%5C%20%282%2C%5C%20-2%29.%5C%5CLine%5C%20B%3A%5C%20%280%2C%5C%204%29%2C%5C%20%281%2C%5C%202%29.%5C%5CLine%5C%20C%3A%5C%20%280%2C%5C%20-1%29%2C%5C%20%284%2C%5C%201%29.%5C%5C%5C%5C%5Ctext%7BCalculte%20the%20slopes%3A%7D)
![m_A=\dfrac{-2-2}{2-0}=\dfrac{-4}{2}=-2\\\\m_B=\dfrac{2-4}{1-0}=\dfrac{-2}{1}=-2\\\\m_C=\dfrac{1-(-1)}{4-0}=\dfrac{2}{4}=\dfrac{1}{2}\\\\m_A=m_B\to\text{therefore the lines A and B are parallel}\\\\\begin{array}{ccc}m_Am_C=-2\cdot\dfrac{1}{2}=-1\\\\m_Bm_C=-2\cdot\dfrac{1}{2}=-1\end{array}\to\begin{array}{ccc}\text{therefore the lines A and C}\\\text{and B and C are perpendicular}\end{array}](https://tex.z-dn.net/?f=m_A%3D%5Cdfrac%7B-2-2%7D%7B2-0%7D%3D%5Cdfrac%7B-4%7D%7B2%7D%3D-2%5C%5C%5C%5Cm_B%3D%5Cdfrac%7B2-4%7D%7B1-0%7D%3D%5Cdfrac%7B-2%7D%7B1%7D%3D-2%5C%5C%5C%5Cm_C%3D%5Cdfrac%7B1-%28-1%29%7D%7B4-0%7D%3D%5Cdfrac%7B2%7D%7B4%7D%3D%5Cdfrac%7B1%7D%7B2%7D%5C%5C%5C%5Cm_A%3Dm_B%5Cto%5Ctext%7Btherefore%20the%20lines%20A%20and%20B%20are%20parallel%7D%5C%5C%5C%5C%5Cbegin%7Barray%7D%7Bccc%7Dm_Am_C%3D-2%5Ccdot%5Cdfrac%7B1%7D%7B2%7D%3D-1%5C%5C%5C%5Cm_Bm_C%3D-2%5Ccdot%5Cdfrac%7B1%7D%7B2%7D%3D-1%5Cend%7Barray%7D%5Cto%5Cbegin%7Barray%7D%7Bccc%7D%5Ctext%7Btherefore%20the%20lines%20A%20and%20C%7D%5C%5C%5Ctext%7Band%20B%20and%20C%20are%20perpendicular%7D%5Cend%7Barray%7D)
Hey there!
To find the value of x in an equation, you have to solve for x.
<u>Example</u>
Given: <em>3x - 9 = 0</em>
First, add 9 to both sides:
3x = 9
Then, divide both sides by 3
x = 3
Have a terrifcly amazing day!