A superconducting "bullet" train is researched and tested on a track. The steepest section of the track has a rise of 2480 meters for a horizontal distance of 2480 meters 6200 meters. What is the grade of this section of track? 6200 meters The grade is %.

Q: A The cost of chocolates is directly proportional to the number of pounds. If 5lbs of chocolates…

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Q: Keshad gets paid $2,161 per month plus 3% of his sales. His brother earns $3,364 per month. For what…

A: To find the total amount of sales so that keshad monthly pay is higher than his brother

Q: When looking at two buildings at the same time, the length of the buildings’ shadows varies directly…

A: Let us solve the given question in the next step.

Q: you have 60  meters of fencing and want to enclose a rectangular area up against a long straight…

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Q: Find the least possible cost of painting the cement block.

A: Please find the solution

Q: Find the slope of a pipe that slopes down 1/3 inch per foot

A: The slope is nothing but the change in the dependent variable if you change the independent variable…

Q: Average exit speed is 96mph. Player number 5 was selected

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Q: The formula that relates cost, revenue, and profit is ________.

A: Solution:- The formula that relates cost, revenue, and profit is , Profit=Revenue-Cost P=R-C

Q: what is the slope for (-8,9) and (-8,-5)?

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Q: Part of the P40, 000 was loaned at 2% and the rest at 3% interest. The income from the 2% investment…

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Q: Find the average slope of the hill. 300 ft 1000 ft

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Q: In the middle of the year, the price of raw material decreased by 8%. How would this increase affect…

A: Accounting

Q: The heat loss of a glass window varies jointly as the window's area and the difference between the…

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Q: A woman making $2000 per month has her salary reduced by 20% because of sluggish sales. One year…

A: Given Women salary per month=$2000According to question her salary reduced by 20% therefore…

Q: Find the slope between the points (-2,8) and (5,0).

A: Consider the given points, -2,8 and 5,0 The formula of the slope m between two points x1,y1 and…

Q: Assume that the golfer makes 75 percent of putts when they are less than 10 feet and 40 percent of…

A: Given: The percentage of putts when they are less than 10 feet is, P(x<10)=75%=0.75. The…

Q: A woman making $2500 per month has her salary reduced by 10% because of sluggish sales. One year…

A: Concept,When there is a decrement in a value by r% then it's new value is given by formula  - A =…

Q: A narrow mountain road has an 8% grade. If this grade covers a 2 mile horizontal distance, what is…

A:

Q: To approximate the profit from the production and sale of the 145th skirt, what value do you plug…

A: P(x) denotes the profit function and P'(x) denotes the marginal profit function.

Q: The cost of a train ticket varies directly as the number of miles, M, of the trip. A 400-mile trip…

A: The cost of 400 mile trip is $180 We have to calculate the cost of 360 mile trip.

Q: office

A: You need to just use the statement and form the integral.

Q: Suppose that a highway rises 200 feet in a horizontal distance of 3000 feet. Express the grade of…

A: The grade also known as the slope of a landform or a constructed line, it can be computed as  grade…

Q: A tunnelling machine drills 500 metres. Use your values from the table to estimate the cost of…

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Q: Martha bought a rectangular bedsheet. When home, she discovered that it is not fitted to her bed.…

A: Martha bought a rectangular bedsheet. When home, shediscovered that it is not fitted to her bed. So,…

Q: A submarine is at a depth 400 meters below sea level. The submarine then rises by 185 meters. What…

A: Given submarine dives to a depth of 400 meters below sea level then rises 185 meters means we…

Q: During your trip to New York City (320 miles away), you drive at a constant rate of 60 mph. During…

A:

Q: .  Determine the amount of time it would take for the diamond to be worth $68,486

A: We have to find the time .

Q: The average height of the students of Mr. Reyes is 155 cm. The actual height of his students could…

A: Ans is given in following photo

Q: What is the slope? (round to the ten thousandths place)

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Q: The scale of a map is 1 inch : 40 miles. What is the actual distance between two cities that are 5…

A: Solving the problem by finding the actual distance.

Q: What is the slope of (5, -3) and (-1, 6)

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Q: A pennant flag that is 2 inches high with a base of 1.5 inches has an area of 1.5 square inches. The…

A: Explanation of the answer is as follows

Q: Suppose the painter has enough paint to cover 14 square feet, and she buys enough paint to cover an…

A:

Q: A scientist investigated the effect of cross-fertilization on the heights of plants. In one study,…

A: It is required to test if the mean height of two different types of plants differ or not. Since you…

Q: A distance was measured on an 8% slope and found to be 2620.30m. What is the horizontal measured in…

A: To find horizontal distance: We know that , Horizontal distance = (rise * 100)/(slope%)

Q: The cost of producing 420 calculators is $2320. Producing 580 calculators would cost $3120. Step 1…

A: The cost of producing 420 calculators is $2320. Producing 580 calculators would cost $3120. To find…

Q: A woman making $1500 per month has her salary reduced by 10% because of sluggish sales. One year…

A:

Q: The slope of a line is:  2.00 By how much does the Y-variable change if the X-variable decreases by…

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Q: Find the equation of the line passing through the origin and with a slope.5 ?of 8

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Q: The value x = 36.58 should be used in the cost model to estimate the cost of producing how many…

A: We need to determine the number of item T corresponding to x=36.58.

Q: what's the slope of a pipe that slopes down 1/3 inch per foot

A: Since the change in vertical direction is 13 inch downward, therefore Rise=-13 inch Since the change…

Q: Suppose someone builds an architectural model of a new concert hall using a scale factor of 55. How…

A: Scale factor  =Height of actual building/height of model

Q: What is the slope between the points (4,-2) and (-5,1)? Express your answer as a simplified…

A: For points(a,c),(b,d)m=d-cb-a

Q: The perimeter of a rectangular fence is to be at least 132 feet and no more than 192 feet. If the…

A:

Q: A boat travels 54 mi upstream against the current in the same amount of time it takes to travel 138…

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Q: the area of a triangle varies jointly as its base and its height. If the base is increased by 10%…

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Q: A company marks up the cost of all of items by 290%. If they want to have a sale, what is the…

A: Given, A company marks up the cost of all items by 290%. Let the cost price, CP be 100, then SP =…

Q: equation that will allow to calculate what the total cost will be if the cost of the hotel is 98 per…

A: Given data is : Cost of hotel per night is 98 Service charge is 24 Let the number of night be x

Q: The average grade Mark received on 4 tests was 94. If he drops his lowest grade of 85, what wil his…

A: We have to find

Q: Two trains leave the station at the same time, one heading west and the other east. The westbound…

A: