Answer:
im from da fam round herrrr u either got the ps3 or the x box 3-60
lm.ao.
<h2>Answer: </h2>
15% of $49.64
=> 15/100 × 49.64
=> $7.446.
<u>After rounding to the nearest ten</u>,
=> <u>$7.5</u>
Answer:
![\large \boxed{\sf \ \ x = -\dfrac{\sqrt{33}+1}{4} \ \ or \ \ x = \dfrac{\sqrt{33}-1}{4} \ \ }](https://tex.z-dn.net/?f=%5Clarge%20%5Cboxed%7B%5Csf%20%5C%20%5C%20x%20%3D%20-%5Cdfrac%7B%5Csqrt%7B33%7D%2B1%7D%7B4%7D%20%5C%20%5C%20or%20%5C%20%5C%20x%20%3D%20%5Cdfrac%7B%5Csqrt%7B33%7D-1%7D%7B4%7D%20%5C%20%5C%20%7D)
Step-by-step explanation:
Hello, please find below my work.
![2x^2+x-4=0\\\\\text{*** divide by 2 both sides ***}\\\\x^2+\dfrac{1}{2}x-2=0\\\\\text{*** complete the square ***}\\\\x^2+\dfrac{1}{2}x-2=(x+\dfrac{1}{4})^2-\dfrac{1^2}{4^2}-2=0\\\\\text{*** simplify ***}\\\\(x+\dfrac{1}{4})^2-\dfrac{1+16*2}{16}=(x+\dfrac{1}{4})^2-\dfrac{33}{16}=0](https://tex.z-dn.net/?f=2x%5E2%2Bx-4%3D0%5C%5C%5C%5C%5Ctext%7B%2A%2A%2A%20divide%20by%202%20both%20sides%20%2A%2A%2A%7D%5C%5C%5C%5Cx%5E2%2B%5Cdfrac%7B1%7D%7B2%7Dx-2%3D0%5C%5C%5C%5C%5Ctext%7B%2A%2A%2A%20complete%20the%20square%20%2A%2A%2A%7D%5C%5C%5C%5Cx%5E2%2B%5Cdfrac%7B1%7D%7B2%7Dx-2%3D%28x%2B%5Cdfrac%7B1%7D%7B4%7D%29%5E2-%5Cdfrac%7B1%5E2%7D%7B4%5E2%7D-2%3D0%5C%5C%5C%5C%5Ctext%7B%2A%2A%2A%20simplify%20%2A%2A%2A%7D%5C%5C%5C%5C%28x%2B%5Cdfrac%7B1%7D%7B4%7D%29%5E2-%5Cdfrac%7B1%2B16%2A2%7D%7B16%7D%3D%28x%2B%5Cdfrac%7B1%7D%7B4%7D%29%5E2-%5Cdfrac%7B33%7D%7B16%7D%3D0)
![\text{*** add } \dfrac{33}{16} \text{ to both sides ***}\\\\(x+\dfrac{1}{4})^2=\dfrac{33}{16}\\\\\text{**** take the root ***}\\\\x+\dfrac{1}{4}=\pm \dfrac{\sqrt{33}}{4}\\\\\text{*** subtract } \dfrac{1}{4} \text{ from both sides ***}\\\\x = -\dfrac{1}{4} -\dfrac{\sqrt{33}}{4} \ \ or \ \ x = -\dfrac{1}{4} +\dfrac{\sqrt{33}}{4}](https://tex.z-dn.net/?f=%5Ctext%7B%2A%2A%2A%20add%20%7D%20%5Cdfrac%7B33%7D%7B16%7D%20%5Ctext%7B%20to%20both%20sides%20%2A%2A%2A%7D%5C%5C%5C%5C%28x%2B%5Cdfrac%7B1%7D%7B4%7D%29%5E2%3D%5Cdfrac%7B33%7D%7B16%7D%5C%5C%5C%5C%5Ctext%7B%2A%2A%2A%2A%20take%20the%20root%20%2A%2A%2A%7D%5C%5C%5C%5Cx%2B%5Cdfrac%7B1%7D%7B4%7D%3D%5Cpm%20%5Cdfrac%7B%5Csqrt%7B33%7D%7D%7B4%7D%5C%5C%5C%5C%5Ctext%7B%2A%2A%2A%20subtract%20%7D%20%5Cdfrac%7B1%7D%7B4%7D%20%5Ctext%7B%20from%20both%20sides%20%2A%2A%2A%7D%5C%5C%5C%5Cx%20%3D%20-%5Cdfrac%7B1%7D%7B4%7D%20-%5Cdfrac%7B%5Csqrt%7B33%7D%7D%7B4%7D%20%5C%20%5C%20or%20%5C%20%5C%20x%20%3D%20-%5Cdfrac%7B1%7D%7B4%7D%20%2B%5Cdfrac%7B%5Csqrt%7B33%7D%7D%7B4%7D)
Hope this helps.
Do not hesitate if you need further explanation.
Thank you
Answer:
1)Air transportation:Air Transportation
Transportation mode
Air transportation means the business of transporting natural persons, property, cargo and mail by aircraft. ... Air transportation means the operation of a transportation system by aircraft for the carriage of persons, property and mail, including activities reasonably necessary to such operation.
2)Road transportation:Road transport or road transportation is a type of transport using roads. Transport on roads can be roughly grouped into the transportation of goods and transportation of people. In many countries licensing requirements and safety regulations ensure a separation of the two industries
3)Rail transportation:Rail transport is a means of transferring passengers and goods on wheeled vehicles running on rails, which are located on tracks. In contrast to road transport, where the vehicles run on a prepared flat surface, rail vehicles are directionally guided by the tracks on which they run.
4)Water transportation:Water transportation is the intentional movement of water over large distances. Methods of transportation fall into three categories: Aqueducts, which include pipelines, canals, tunnels and bridges. ... Towing, where a tugboat is used to pull an iceberg or a large water bag along behind it.
Answer:
x2 2.75
Step-by-step explanation: