Two men start moving from two different towns 20km apart and walk towards each other. They meet in 120min. One man walked at 6km/h. How fast does the other man walk?

Q: A, who travels 4 miles an hour starts from a certain place 2 hours in advance of B, who travels 5…

A: Let after x hours B will overtake A B travels 5 miles an hour.  So in x hours B will cover 5x miles.…

Q: Do 7a and 7b plz

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Q: If Ms. Simon starts her drive at 6:30 a.m., she can drive at her average driving speed with no…

A: Let us start solving the problem step by step

Q: . At exactly 5pm., Boyet left Pasay using his car. One  hour later, Joseph left the same place and…

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Q: What is the rate at which the two hands of the clock are separating when the time is two o’clock if…

A: Let's find.

Q: You're flying from Joint Base Lewis-McChord (JBLM) to an undisclosed location 198 km south and 193…

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Q: 7) Two ships are leaving port at the same time. The first ship sails due east at 20 km/h, the second…

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Q: Two people are driving east on the 401 highway in the same direction. One driver is starting in…

A: Let P from London and Q from Kitchener be the two people driving east in same direction. Let the…

Q: 1. Two planes leave at the same time. One flies west at 300km/hr. the other flies east at 450 km/hr.…

A: Speed of plane 1:  s1 = 300 km/hr Speed of plane 2:  s2 = 450 km/hr

Q: A prisoner, 1.80 meters in height, was discharged in consideration due to his advanced in age. In…

A: Given:- Arrow hits in the Centre of the body Acceleration of the Prisoner=0.012 t (varying with…

Q: 2. Two runners begin jogging in opposite directions from the same point at the same time. One runner…

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Q: A man flies a small airplane from Fargo to Bismarck, North Dakota --- a distance of 180 miles.…

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Q: 4.) The area of a triangle varies jointly as its base and height. A triangle with a base of 9 cm and…

A: Concept:

Q: A certain cancer among men aged 70 and over occurs at a rate of 1 in 150. A blood test will be…

A: Given that P(cancer present)=1/150 P(cancer not present)=149/150 P(positive| present)=99%=0.99…

Q: er 10 meters long is leaning against the wall. If the bottom of the ladder is being pushed…

A: Consider the provided information, Let AB be a ladder, where given that AB = 10 m.Because, OAB is a…

Q: O Two boats leave the same port from the same time. One travels straight west at 10 mph, and one…

A: Given that Two boats leave the same port from the same time.  One travels straight west at 10 mph,…

Q: Two cars start moving from the same point. One travels south at a rate of 60 mi/h and one travels…

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Q: A certain bamboo plant was measured to be 12 inches tall on Sunday. On Wednesday, three days later,…

A:

Q: 2. Two cars, one going east with the speed of 45 mph while the second car heading south at 70 mph,…

A: Solution ) the rate at which they are approachung each other = 45 + 70  = 115 m/ h For car 1  Speed…

Q: It takes an ant farm 3 days to cunsume 1/2 of an apple. at that rate,in how many days will the ants…

A: Given that an ant farm 3 days to consume 12of an apple. The objective is to find the number of days…

Q: 2.18: When brought to the emergency room, an accident victim has 3 liters of blood and is still…

A: Let x(t) gltr be the amount of antibiotic drug.  rate in = 0.5 ltrhr0.5gltr=0.25ghrrate…

Q: 36. One end of a 13-foot ladder is on the ground. and the other end rest against the side of the…

A:

Q: Suppose a hiker finds himself in a forest 3 miles from the nearest point on a straight road. He…

A: Given, Suppose a hiker finds himself in a forest 3 miles from the nearest point on a straight road.…

Q: The standard u.s A evaporation land on inside diameter of 47.5 inches and depth of 10.0 inch, if…

A: given that inside diameter is 47.5 inches radius,   R=47.52=23.75 inches  depth is H=10.0 inches…

Q: 4. Two people on bikes are separated by 350 meters. Person A starts riding north at a rate of 5…

A:

Q: The number of patrol officers needed on staff depends on the crime rate of the county, which is…

A: At a 3% crime rate, the county hires 200 officers per 10,000 peple in the population.For every 0.1%…

Q: Deniz's computer is infected with a virus that will erase information from her hard drive. It will…

A: Solved below

Q: Thế table gives the average number of calories burned for different exercise options at a local gym.…

A: From the given data:

Q: trouble which detains it an hour, after which it proceeds at three-fifths of its original rate and…

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Q: You're flying from Joint Base Lewis-McChord (JBLM) to an undisclosed location 120 km south and 130…

A: The flight path of airplane is along the line  y=-120130xy=-1213x13y=-12x The perpendicular line…

Q: A certain type of glass is such that a slab 1" thick absorbs one-quarter of the light which starts…

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Q: 2) Suppose you have 2 pieces of ice with the same volume but in different shapes. If one of the…

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Q: A man on a wharf is pulling a rope tied to a raft at a rate of 0.6 m/s. If the hands of the man…

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Q: A is thrice as good a workman as B and threfore is able to finish a job in 60 days less than B.…

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Q: 3. Sam lives 250km from Ron's house. If she leaves her house at 1 PM and is driving at a speed of 50…

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Q: 8. A boy on a bike rides north 5 miles, then turns east. If he rides 10 mi/hr., at what rate was his…

A: Given: The following diagram represents the given data:

Q: If it takes 1.5 hours for 5 workers to carpet 5 rooms in a newly built large motel, where all rooms…

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Q: A man flies a small airplane from Fargo to Bismarck, North Dakota --- a distance of 180 miles.…

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Q: A girl starting at 11 A.M., travels east at 4 km/hr while a boy, starting at noon from the same…

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Q: A boy is flying a kite at a height of 150 ft. If the kite moves horizont ally away from the boy at…

A: Topic = Triangle

Q: two cyclists, 90 mi apart ,start riding towards each other at the same time. one cycles twice as…

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Q: flies

A: Please refer to the image below

Q: A ship started at a certain port and travelled 48° east of north at a rate of 32kph. After 1.5…

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Q: Suppose that a bacteria population doubles every eleven hours.  If the initial population is 2,000…

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Q: in a memory experiment the rate of memorizing is given by M'(t)=−0.002t^2+0.9t, where M'(t) is the…

A: Given, M'(t) = -0.002t2 + 0.9t We have to find the no. of words are memorized in the first 10…

Q: 2. Two cars are initially 1000 miles apart on a road that runs East/West. Car A drives 40 miles per…

A: Position at initial stage: Direction:

Q: the minute hand of a clock is 15 mm long and the hour hand is 12 mm. How fast is the distance…

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Q: A takes 6 days less than the time taken by B to finish a piece of work . If both A and B together…

A:

Q: A man flies a small airplane from Fargo to Bismarck, North Dakota --- a distance of 180 miles.…

A: Let s be the speed of plane in still air and w be the speed of wind Effective speed of plane against…

Q: A car starting at 12:00 noon travels west at a speed of 30 kph. Another car starting from the same…

A: Given: A car starting at 12:00 noon travels west at a speed of 30 kph. Another car starting from the…

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.