• Little help with this problem?

    Two friends, Amar and Robert can run at a speed of 7.6 mi/hr and walk at a speed of 4.0 mi/hr . They set off together on a route of 5.00 miles. Amar decides to walk half the distance and run the other half, while Robert decides to walk half the time and run the other half. (a) How long does it take Amar to cover the 5.00 miles? which I got 57.237... show more
    Two friends, Amar and Robert can run at a speed of 7.6 mi/hr and walk at a speed of 4.0 mi/hr . They set off together on a route of 5.00 miles. Amar decides to walk half the distance and run the other half, while Robert decides to walk half the time and run the other half. (a) How long does it take Amar to cover the 5.00 miles? which I got 57.237 minutes (b) Find Amar's average speed. which I got 5.24 mi/hr But I couldn't figure out C and D. Could you give me some hints? thanks (c) How long does it take Robert to cover the 5.00 miles? minutes (d) Find Robert's average speed. mi/hr
    2 answers · Mathematics · 5 years ago
  • Mat110 word problem!!?

    Against the wind a small plane flew 280 miles in 1 hour and 10 minutes. The return trip took only 50 minutes. What was the speed of the wind? what was the speed of the plane still in the air? The speed of the plane still in the air was _____ mph The speed of the wind was _____ mph. how or what formulas would I even use???
    Against the wind a small plane flew 280 miles in 1 hour and 10 minutes. The return trip took only 50 minutes. What was the speed of the wind? what was the speed of the plane still in the air? The speed of the plane still in the air was _____ mph The speed of the wind was _____ mph. how or what formulas would I even use???
    5 answers · Mathematics · 5 years ago
  • Help. algebra 1 word problem?

    Carlos drove to his cabin on the lake and back. The trip there took four hours and the trip back took 1.6 hours. He averaged 37.5 km/h faster on his return trip than on his outbound trip. Find carlos' average speed on the outbound trip.
    Carlos drove to his cabin on the lake and back. The trip there took four hours and the trip back took 1.6 hours. He averaged 37.5 km/h faster on his return trip than on his outbound trip. Find carlos' average speed on the outbound trip.
    1 answer · Mathematics · 5 years ago
  • Please help me solve this math problem.?

    Ashana and Bill cycle 28 miles along a cycle track. On average Ashana cycles 2mph faster than Bill, and completes the journey 20 minutes before Bill. What was the average speed of each cyclist?
    Ashana and Bill cycle 28 miles along a cycle track. On average Ashana cycles 2mph faster than Bill, and completes the journey 20 minutes before Bill. What was the average speed of each cyclist?
    2 answers · Homework Help · 5 years ago
  • A contractor needs 2 men and 5 litres of paint to fence a wall, 40m * 3m in 9 hours. How many men and how much?

    A contractor needs 2 men and 5 litres of paint to fence a wall, 40m * 3m in 9 hours. How many men and how much paint does he need to paint a fence wall 20m * 12m in 3 hours. The men all work at the same rate.
    A contractor needs 2 men and 5 litres of paint to fence a wall, 40m * 3m in 9 hours. How many men and how much paint does he need to paint a fence wall 20m * 12m in 3 hours. The men all work at the same rate.
    3 answers · Mathematics · 5 years ago
  • How do i solve tis qns using quadratic eqn?

    It takes Meihua two hours more to complete a 50km journey than it takes Ailin to complete a 40km journey. If the average speed of Meihua for the journey is 5km/h less than Ailin, calculate the average speed of each girl.
    It takes Meihua two hours more to complete a 50km journey than it takes Ailin to complete a 40km journey. If the average speed of Meihua for the journey is 5km/h less than Ailin, calculate the average speed of each girl.
    3 answers · Mathematics · 5 years ago
  • 12 women alone can complete the work in 16 days. 4 men 6 women together can complete the work in 16 days the?

    12 women alone can complete the work in 16 days. 4 men 6 women together can complete the work in 16 days then 10 men can complete the work in how many days?
    12 women alone can complete the work in 16 days. 4 men 6 women together can complete the work in 16 days then 10 men can complete the work in how many days?
    5 answers · Mathematics · 5 years ago
  • A plane takes off and flies east at a rate of 300km/h. Distance Rate and Time Problem?

    A plane takes off and flies east at a rate of 300km/h. On the return trip flying west, the plane's speed is 250km/h. The plane has enough fuel for a safe flying time of 3.5 hours. How far east can the plane fly before running out of fuel? (Round to nearest kilometer) How do I go about solving this? Thanks!
    A plane takes off and flies east at a rate of 300km/h. On the return trip flying west, the plane's speed is 250km/h. The plane has enough fuel for a safe flying time of 3.5 hours. How far east can the plane fly before running out of fuel? (Round to nearest kilometer) How do I go about solving this? Thanks!
    2 answers · Mathematics · 5 years ago
  • I need help with algebra?

    I hope this isn't asking for too much. I've been stuck on these parts all night long. Thank you so much if you could help me. Part A: The area of a square is (16x2 - 8x + 1) square units. Determine the length of each side of the square by factoring the area expression completely. Show your work. Part B: The area of a rectangle is (81x2... show more
    I hope this isn't asking for too much. I've been stuck on these parts all night long. Thank you so much if you could help me. Part A: The area of a square is (16x2 - 8x + 1) square units. Determine the length of each side of the square by factoring the area expression completely. Show your work. Part B: The area of a rectangle is (81x2 - 4y2) square units. Determine the dimensions of the rectangle by factoring the area expression completely. Show your work. Part C: The volume of a rectangular box is (x3 - 9x2 - 4x + 36) cubic units. Determine the dimensions of the rectangular box by factoring the volume expression completely. Show your work. (16x^2-8x+1) (81x^2-4y^2) (x^3-9x^2-4x+36)
    3 answers · Mathematics · 5 years ago
  • A 240 meters long train moving with a speed of 108 km/hr?

    A 240 meters long train moving with a speed of 108 km/hr crosses a platform in 20 seconds.A crosses the same platform in 5 min. what is the speed of the man in meter/second?
    A 240 meters long train moving with a speed of 108 km/hr crosses a platform in 20 seconds.A crosses the same platform in 5 min. what is the speed of the man in meter/second?
    4 answers · Mathematics · 5 years ago
  • Math help and explanation?

    STUCK ON THIS MATH PROBLEM!!!! I need an answer and an explanation please thank you@@@@@ Mike rode his bike to the store from his home and then walked home along the same route. His average speed was 7km per hour while riding and 3 km per hour while walking. How far is the store from his home if his traveling time took 94 minutes.
    STUCK ON THIS MATH PROBLEM!!!! I need an answer and an explanation please thank you@@@@@ Mike rode his bike to the store from his home and then walked home along the same route. His average speed was 7km per hour while riding and 3 km per hour while walking. How far is the store from his home if his traveling time took 94 minutes.
    2 answers · Mathematics · 5 years ago
  • Algebra 1 help pleaseeeee?

    how many lbs of mixed nuts that contain 56% peanuts must ashley add to 8 lbs of mixed nuts that contain 38% peanuts to make a mixture with 44% peanuts? please help and explain.
    how many lbs of mixed nuts that contain 56% peanuts must ashley add to 8 lbs of mixed nuts that contain 38% peanuts to make a mixture with 44% peanuts? please help and explain.
    1 answer · Mathematics · 5 years ago
  • Math Question for Speed Distance & time?

    Jeremy Does a lap of a race track in 5 minutes, and Richard finishes the same lap in 4 minutes. If Jeremy is travelling at the speed of 160 mph, what is Richard's speed (in mph)?
    Jeremy Does a lap of a race track in 5 minutes, and Richard finishes the same lap in 4 minutes. If Jeremy is travelling at the speed of 160 mph, what is Richard's speed (in mph)?
    4 answers · Mathematics · 5 years ago
  • MATHS HOMEWORK HELP PLEASE?? BEST ANSWER 10 POINTS!!!?

    1. An aircraft, used for fire spotting, flies from its base to locate a fire at an unknown distance, x km away. It travels straight to the fire and back, averaging 240 km/h for the outward trip and 320 km/h for the return trip. If the plane was away for 35 minutes, find the distance, x km.
    1. An aircraft, used for fire spotting, flies from its base to locate a fire at an unknown distance, x km away. It travels straight to the fire and back, averaging 240 km/h for the outward trip and 320 km/h for the return trip. If the plane was away for 35 minutes, find the distance, x km.
    2 answers · Homework Help · 5 years ago
  • Percent Word Problem?

    30 gallons of a 20% acid solution is needed for an experiment. Only 40% and 10% acid solutions are available. How much of each should be mixed to form the needed solution? Show me how to do this PLEASE :-(
    30 gallons of a 20% acid solution is needed for an experiment. Only 40% and 10% acid solutions are available. How much of each should be mixed to form the needed solution? Show me how to do this PLEASE :-(
    5 answers · Mathematics · 5 years ago
  • Maths help please? 10 points Best Answer?!?!?

    1. An aircraft, used for fire spotting, flies from its base to locate a fire at an unknown distance, x km away. It travels straight to the fire and back, averaging 240 km/h for the outward trip and 320 km/h for the return trip. If the plane was away for 35 minutes, find the distance, x km. 2. A group of hikers is to travel x km by bus at an average... show more
    1. An aircraft, used for fire spotting, flies from its base to locate a fire at an unknown distance, x km away. It travels straight to the fire and back, averaging 240 km/h for the outward trip and 320 km/h for the return trip. If the plane was away for 35 minutes, find the distance, x km. 2. A group of hikers is to travel x km by bus at an average speed of 48 km/h to an unknown destination. They then plan to walk back along the same route at an average speed of 4.8 km/h and to arrive back 24 hours after setting out in the bus. if they allow 2 h for lunch and rest, how far must the bus take them?
    2 answers · Mathematics · 5 years ago
  • Gr 8 Ratio/Rate Question?

    Question: The cities of Artin and Balin are a distance of 500km from each other. And airplane regularly makes a round trip between them. The wind always blows at a constant velocity from Artin towards Balin. The speed of the airplane unmodified by the wind is 900km/h. If the trip from Artin to Balin takes 30min and the return trip takes 37.5min.... show more
    Question: The cities of Artin and Balin are a distance of 500km from each other. And airplane regularly makes a round trip between them. The wind always blows at a constant velocity from Artin towards Balin. The speed of the airplane unmodified by the wind is 900km/h. If the trip from Artin to Balin takes 30min and the return trip takes 37.5min. What is the velocity of the wind? Thanks! :D
    2 answers · Mathematics · 5 years ago
  • Systems of equation...PLEASE HELP!!!?

    This is the word problem... For an upcoming science lab, your science teacher needs 500 ml of a 20% solution of sulfuric acid. However, she only has 15% and 35% of sulfuric acid solutions in her supply room. How many milliliters of the 15% and 35% solutions does she need to combine to produce the needed 20% solution. Let x= the volume of 15%... show more
    This is the word problem... For an upcoming science lab, your science teacher needs 500 ml of a 20% solution of sulfuric acid. However, she only has 15% and 35% of sulfuric acid solutions in her supply room. How many milliliters of the 15% and 35% solutions does she need to combine to produce the needed 20% solution. Let x= the volume of 15% solution Let y= the volume of 35% solution I really need help on this. I need two equations so I can solve the problem. Can anybody help me?? Thank you so much.. I really appreciate it.
    2 answers · Mathematics · 5 years ago
  • Please...help on systems of equations???

    This is the word problem.... Christopher rows at his school. On practice, his team rowed a 5-kilometer course with the current of the river and finished in 15 minutes. The team rowed against the current in kilometers per hour. Hint: be sure to convert the rowing times to hours. The team's rowing speed is Km/h. The speed of the current... show more
    This is the word problem.... Christopher rows at his school. On practice, his team rowed a 5-kilometer course with the current of the river and finished in 15 minutes. The team rowed against the current in kilometers per hour. Hint: be sure to convert the rowing times to hours. The team's rowing speed is Km/h. The speed of the current is. Km/h. I need help on finding the two equations for this problem... I've been trying to solve it for a really long time and can't get it right. Can somebody please help??? Thank you!!! The team the rowed against the current and finished the same course in 20 minutes. Find the teams rowing speed and the speed of the current in kilometers per hour. Sorry forgot to add this
    4 answers · Mathematics · 5 years ago