#25 The speed of a plane in still air is 280 mph. Flying against the wind, it can fly 600 mi in the same amount of time it takes go to 800mi with the wind. What is the speed of the wind.

Q: A student records the internal temperature of a hot sandwich that has been left to cool on a kitchen…

A: For the solution follow the next steps.

Q: A leak in the hull will fill a​ boat's bilge in 9 hours. The​ boat's bilge pump can empty a full…

A: Given,  A leak in the hull will fill a​ boat's bilge in 9 hours. The​ boat's bilge pump can empty a…

Q: Isabella and Tom drive from the same location at 9:46 AM. Isabella drives north with a constant…

A: Let's find.

Q: The half life of acetylsalicylic acid (the medicinal ingredient in Aspirin) is approximately 2 hours…

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Q: The amount of skin covering a person's body (in square feet) depends on the person's height and…

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Q: Mr X's age is three times my age. The sum of our ages is 40. How old am I? How old is mr x?

A: Let Mr X’s age is x and my age is y.It is given that; Mr X’s age is three times my age.Implies that,

Q: An object is launched from a platform. Its height (in meters), z seconds after the launch, is…

A: NOTE: Refresh your page if you can't see any equations. . here we want to find the initial height,…

Q: 33. The position in feet of a particle is given by the equation x (1)-²-4² +6. At what time t> 0 (in…

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Q: High interest rates make it difficult for people to pay off credit card debt in a reasonable period…

A: Given: High interest rates make it difficult for people to pay off credit card debt in a reasonable…

Q: The decay rate of a drug describes how long it takes the drugs effects to wear off. The decay rate…

A:

Q: A motion has a equation R (t) = ((₁5 (4+)) 7² + (sm/4+));² The distance traveled by the object in…

A: The given equation is Rt=cos4ti→+sin4tj→ and the interval is t=0 to t=5. The formula for the…

Q: c) Use you equation to determine the population after 150 min. d) Approximately how many hours would…

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Q: - Kadeem and Quinn both drive 25 miles, Kadeem drives at a constant speed of 50 miles an hour. Quinn…

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Q: 16. Exercising: Once a week Felicia walks/runs for a total of 6 miles. Felicia spends twice as much…

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Q: Jake drives a tractor from one town to another, a distance of 180 kilometers. He drives 15…

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Q: Find the speed of the southbound boat.

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Q: Trevor and Isaiah are running in the park on the same day. The rate at which Trevor runs is modeled…

A: Given, The rate at which Trevor  runs is modeled by the equation y = x2 - 7x -1  The rate at which…

Q: The speed of sound is approximately 767 mph. A jet flew from LA to Tokyo, adistance of 5474 miles,…

A: Given, The speed of sound is approximately 767 mph A jet flew from LA to Tokyo, a distance of 5474…

Q: The body mass index​ (BMI) is used to assess the relative amount of fat in a​ person's body. If w is…

A:

Q: Mr. Liu is driving with 10 gallons of gas in his tank. His car uses 1.5 gallons of gas per hour.…

A: See step 2

Q: Mulder and scully are driving to the same town. Mulder leaves the office at 9:30 AM. Averaging 55…

A:

Q: Flying against the jet stream, a jet travels 1880 mi in 4 hours. Flying with the jet stream, the…

A: Let the rate of still air be x miles/hr and the rate of the jet stream be y miles/hr.

Q: Maths my mechanics charge 45.95 per hour to do car repairs +30. 50 for waste disposal if X…

A: Here given, Mechanics charge 45.95 per hour to do car repairs +30. 50 for waste disposal Also given…

Q: 4. Rick and Debbie are painting a large bam. Debbie paints twice as fast as Rick. They work together…

A:

Q: 1. Write an equation to represent the situation. Brand A scooter has a top speed that goes 2 miles…

A: Given: Brand A scooter has a top speed that goes 2 miles per hour faster than Brand B. If after 3…

Q: a waterfall has a height of 1400 feet. a pebble is thrown upward from the top of the falls with an…

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Q: Ben and Josh went to the roof of their 40-foot tall high school to throw their math books off the…

A: Given equation for position function  ht=-16t2+vt+s height of the roof is 40 feet initial velocity…

Q: A boat travels at a constant speed on a river whose current also has a constant speed. The boat can…

A: Let the speed of boat be  X and speed of current be Y.

Q: A ball is projected into the air. Its height at time, t, is given by the equation h = -16 + 100t +…

A: Given the equation h = -16t2 + 100t + 2  where h is height and t is time. We have to find the time…

Q: At 12:00 P.M. the volume of water in a tank started changing steadily over time. The volume V…

A: We have from the equation that, The change of the volume is given by the equation  V = 7900 - 3.95t…

Q: he amount of skin covering a person's body (in square feet) depends on the person's height and…

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Q: Question Marcus can drive his boat 24 miles down the river in 2 hours but takes 3 hours to return…

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Q: Hours Crystal constructed a line of best fit through her scatterplot and came up with the equation d…

A: here best-fit equation is  d=17t where,  d=distance travelled in miles t=time taken in hours

Q: om a speed of 100 feet per second, a train begins to decelerate. The rate of deceleration is 20 feet…

A: speed (s)=100 feet per second deceleration = 20 feet per square second time (t)=2 second

Q: A ship made a trip of 138 mi in 12 h. The ship traveled the first 54 mi at a constant rate before…

A: let x be the rate of speed for first 54 mi.(x + 5) = rate of speed for remaining 84 mi.

Q: Alan rowed 24 miles downstream in 3 hours. The trip back upstream, however, took him 4 hours. Find…

A: Alan rowed covered distance =24 miles downstream in 3 hours.   The trip back upstream in 4 hours.…

Q: At 12:00 P.M. the volume of water in a tank started changing steadily over time. The volume VV…

A: Given : V=25100−12.55*t where ,  volume V measured in gallons, t in minutes  The above equation…

Q: The relationship between the amount of time a greyhound dog runs at maximum speed and the distance…

A: Solution-

Q: Sydney read 50 pages in 40 minutes. She reads at a constant rate. How many pages can Sydney read per…

A: Sydney reads at a constant rate. Sydney reads 50 pages in 40 minutes. We have to find how many pages…

Q: In the video, I drop a ball off a three-story balcony. We know that objects in freefall follow the…

A: A ball is dropped off a 3 - story building It follows the equation: h=-4.9t2+c             where c…

Q: b) A cargo plane is flying west at 600 km/h. A fighter jet on an aircraft carrier 400 km due south…

A: To determine the optimization function and boundary interval.

Q: 1. Alejandro was in school 161 miles away from his friend, J.J. He drove an average of 50 mi/h…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Q20) Two boats leave the same port at the same time, with boat A traveling north at 15 knots…

A: Let's find distance changing between two boat.

Q: 5) 11 =8+

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Q: 5) Perry left school driving toward the lake one hour before Jaidee. Jaidee drove in the opposite…

A: As per the guidelines I can solve only first question

Q: Statins are used to keep cholesterol in check and are a top-selling drug in the U.S. The equation:…

A: Equation that estimates the amount of sales, S of statin (in billions of dollars) , x years after…

Q: Example: write an equation for linc passes throL 8x – 13y = 13 %3D -

A:

Q: 5. A football player, Peter hits a football from a height of 1 m above the ground and its height is…

A: The height of the ball is given by the expression,           ht=-3.2t2+12.8t+1 Where h is the height…

Q: 6) Eduardo left the hardware store and drove toward the ferry office at an average speed of 32 km/h.…

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.