Answer: 4 hours
Step-by-step explanation:
Given
Auto charge a fixed amount of $35
and $7 per hour
Rafa bill was $63
Suppose Rafa travels for x hours. So, we can write

Answer:

Step-by-step explanation:
System of equations:


_____________
simplify:(isolate x)



substitute equation for x into second equation:

simplify:

substitute y into equation for x:

The correct option is D) reaching the North Pole has no foreseeable
benefit to humanity.
The question the narrator asks in lines 30-31 ("Will it . . . railway") most nearly implies that reaching the North Pole has no foreseeable benefit to humanity.
<h3>What is North Pole?</h3>
The North Pole is the northernmost point on Earth's axis, located in the Arctic Ocean approximately 450 miles (725 kilometers) north of Greenland.
Some key features regarding North Pole, here
- Such a geographic North Pole doesn't really correlate with the magnetic North Pol.
- That in the early 21st century was located north of a Queen Elizabeth Islands in situated in the northern Canada at roughly 82°15′ N 112°30′ W (it is gradually going to migrate northwest)—or with geomagnetic North Pole, which is located at approximately 79°30′ N 71°30′ W.
- Every year, the geographic pole, which is located at a depth of roughly 13,400 feet (4,080 meters) in the ocean and is covered with floating pack ice, receives 6 months of full sunlight then 6 months of total darkness.
To know more about North Pole, here
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Answer: AC=4.15
Step-by-step explanation:
To solve this problem you must apply the prccedure shown below:
1. You know that the triangle is a right triangle.
2. Therfore, you can calculate the lenght AC as following:

Where:
opposite=AC
adjacent=8.9
3. When you solve for AC and substitute these values you obtain the following result:
