e same time that Dana is 5 mph more than Da

Q: A 20 oz alloy of platinum that costs S220 per ounce is mixed with an alloythat costs S400 per ounce.…

A: Given: A 20-ounce alloy of platinum that costs $220 per ounce is mixed with an alloy that costs $400…

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: A helicopter spraying fertilizer over a field can fly 0.4 miles downwind in the same time it can fly…

A:

Q: The infield of a baseball field is a square with sides measuring 90 feet. A ball thrown from third…

A: Given,  Infield of a baseball field is a square measuring 90 feet. According to given,  The line…

Q: A diver was 5 feet below sea level. He dove deeper at a rate of 5 3/8 feet per minute. What was the…

A: Given:-initial position of diver=5 feet below sea level.The rate of change of the divers…

Q: Find how long it takes a person to drive 135 miles on I-­10 ifshe merges onto I­-10 at 10 a.m. and…

A: Given data: The distance is given as 135 miles. The speed is given as 60 mph. The objective is to…

Q: Mrs. Jackson traveled to a city 390 miles from his home to attend a meeting. Due to car trouble his…

A:

Q: a car left xanadu at 6:45 h and arrived in zenoland at 7:05 h. it travelled at an average speed of…

A: Given that  a car left xanadu at 6:45 h and arrived in zenoland at 7:05 h. it travelled at an…

Q: There are 5,280 feet in a mile. If you have slowed down and are now traveling 40 feet per second and…

A:

Q: A helicopter spraying fertilizer over a field can fly 0.6 mile downwind in the same time as it can…

A:

Q: The velocity, v, of a falling object varies directly to the time, t, the object is falling. After 3…

A: Follow the procedure given below.

Q: di

A: we have  to solve differential equation

Q: Train A leaves the station and travels east at 45 mph while Train B leaves the same station and…

A:

Q: A diver was 5 feet below sea level. He dove deeper at a rate of 5 3/8 feet per minute. What was the…

A:

Q: The height of a ball after being dropped from a point 64 feet above the ground is given by h--16…

A: Given: The height of a ball after being dropped from a point 64 feet above the ground is given by…

Q: The top speed of a mosquito is 1.1 miles per hour. Convert the speed of the mosquito to 21. meters…

A:

Q: Jotaro is running west at 5 mph. Josuke is running north at 2 mph. After 2 hours how fast is the…

A:

Q: A tricycle runs 50 kilometers per hour while a car runs 4/5 faster. What is the speed of the car?

A:

Q: Elsa and Anna left the castle at 8:00 a.m. to go for a run. Anna was jogging at 6 mph and Elsa was…

A: Given Anna was jogging at 6mph and Elsa was jogging at a rate 2mph slower than Anna. So Anna was…

Q: The amount of simple interest owed on a loan varies jointly as the amount of principal borrowed and…

A: To find: The interest will be owed on $6000 in 4 year. Given: The interest received for amount $4000…

Q: Use variation terminology to describe the formula.y = 2x2

A: We know that, direct variation describes a simple relationship between two variables. We say y…

Q: A man takes 40 mg of a certain medicine. Each hour, the amount of medicine in the man’s system…

A: Initial amount=40mg Per hour reduction=30% which means after each hour, medicine amount is 70% of…

Q: Megan left the library traveling 15 mph. Then, 4 hours later, Lauren left traveling the same…

A: GIVEN: Megan left at speed = 15 mph               Lauren left after 4 hours at the speed = 27 mph…

Q: Show that Rij

A: To prove that,               Rij=e'i.ej=∂x'i∂xj=∂xj∂x'i   in the Cartesian coordinate systems.

Q: A motorboat maintained a constant speed of 15 miles per hour relative to the water in going 10 miles…

A: let x=speed of current15-x=speed of boat upstream15+x=speed of boat downstreamtravel…

Q: A small motorboat travels 16 mph in still water. It takes 7 hours longer to travel 43 miles going…

A:

Q: The Bathurst 1000 motor race has a lap record of 2 minutes and 12.339 seconds. The length of the lap…

A: Firstly, we convert 12.339 seconds into minutes , by dividing by 60, and then we convert minutes…

Q: According to the Guinness Book of Records, "A garden snail named Archie covered a 13 inch course in…

A:

Q: FU

A:

Q: 4. The Goodyear blimp flies 153 miles with a tailwind in the same time it travels 57 miles with a…

A: As per Bartleby guidelines for more than one question asked only one is to be answered please upload…

Q: ariel travels 400 miles in 8 hours what is her rate of change or speed

A:

Q: One type of uranium has a radioactive decay rate of 0.4% per day. If 40 pounds of this uranium is…

A: Formula for radioactive decay: y = y01-rx where y0 = amount of uranium available today r = rate of…

Q: Ana runs 3/4 mile in 6 minutes. Assuming she runs at a constant rate, what is her speed, in miles…

A: Ana runs 3/4 mile in 6 minutes. Assuming she runs at a constant rate, what is her speed, in miles…

Q: Becca is twice as old as Susan and Greg is 9 years older than Susan 3 years ago, Becca was 9 less…

A: let assume present age of becca=x present age of susan=y present age of greg=z according to…

Q: It takes you 32 seconds to walk from the first (ground) floor of a building to the third floor. How…

A: Time taken to walk from First floor to third floor = 32 seconds Time taken to walk from First floor…

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: Superman needs to save Lois from the clutches of Lex Luthor. It takes Superman 15 seconds to get to…

A: Rate: The rate is defined as a ratio with different units in the numerator and denominator. The…

Q: An accident investigator measured the skid marks of one of the vehicles involved in an accident. The…

A:

Q: Two friends plan to meet at a restraurent for lunch.They both leave their home at 11:30 AM and…

A: Two friends plan to meet at a restaurant for lunch. They both leave their home at 11:30 AM and…

Q: It took a salmon 45 seconds to swim upstream to a certain spot. The salmon then turned around to…

A: To find speed of salmon

Q: All books are 25% off of the original price at the bookstore. If a book normally the sale price of…

A: Given data, All books are 25% off of the original price If a book normally costs $20 What is the…

Q: You are driving at 60 miles per hour. If you decrease the time it takes you to travel 1 mile by 5…

A: You are driving at 60 miles per hour. If you decrease the time it takes you to travel 1 mile by 5…

Q: ilate the

A: Given that: A river flows next to a cliff on one side and has a wide flat plain on the other. At the…

Q: 2+Secx-

A:

Q: A giant tortolse can travel 0.14 miles in 1 hour. At this rate, how long would it take the tortoise…

A: We can find it as below

Q: A cattle train left Miami and traveled toward New York . 14 hours later a diesel train left…

A: A cattle train left Miami and traveled toward New York . 14 hours later a diesel train left…

Q: Answer at half ti

A: Here we have to define algebraic solution of simultaneous equations:-

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

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.