Please answer the following 3 questions: 1. What is a one-to-one function, and how can you determine if a given function is one-to-one? Provide complete details and answer in a complete sentence...

Please answer the following 3 questions: 1. What is a one-to-one function, and how can you determine if a given function is one-to-one? Provide complete details and answer in a complete sentence...

two welders worked total 60 hours on project. one welder made $32/h other welder $41/h. if the gross of both welder gross $2172.00. hour many hours did each welder work?

it takes 4 times as long to paint a privacy fence using an old fashioned brush as compared to the time it takes using a paint spryer. bill, using a paint brush, and bertha using the paint sprayer,...

It's math smart I need help with some questions

Two rectangular gardens are made from 200 yards of fencing. The gardens are planted beside each other so they share a common fence. If the farmer wants the total area of the garden to be as large...

Please help, I remembered this question from my test.

Fitness Universe has a membership fee of $50, after which individual visits to the gym are $5.50. Non-members pay $8.00 per visit. Stuart is going to exercise at the gym regularly, and is wondering...

I have to find the length of each side and show my work.

Scientists are conducting an experiment with a gas in a sealed container. The mass of the gas is measured, and the scientists realize that the gas is leaking over time in a linear way. Its...

As a member of FEMA, you’re required to set up a contingency plan to supply meals to residents of a town devastated by a tornado. A breakfast ration weighs 12 ounces and the lunch and dinner rations...

I need help finding out how to solve this problem. Last year, Bob worked 2041.49 regular hours at $10 per-hour, and 52.38 overtime hours at $15 per-hour. Additionally, Bob...

After taking the Metro to Dupont Circle in Washington, DC, Jess reached street level by walking up the escalator at a brisk rate, taking 42 steps during the trip to the top. Suddenly curious...

I need help!!!!!!!!!!!!!!!!!! NOW!!!!!!!!!!!! PLEASE

"When you speak to someone, the air molecules travel from your voice box into the person's ear, thus carrying the sound wave to them." Is the above statement correct? Explain...

Michael drove 845 miles in 13 hours. At the same rate, how many miles would he drive in 9 hours?

Find the interest each principal will earn. If necessary, round to the nearest cent. Principal: $3,000 Rate: 5.5% Time: 1 year

A ferry boat departed from port and traveled at a rate of 10 miles per hour at an angle 30° north of East across a large river. If the current is flowing at a rate of 4 miles per hour straight south,...

Mario sells electronics at Big Box Electronics Store. He is paid a salary of $350 a week plus 5% commission on his sales. Write an equation in the form E=mS+b

Thanks for your help , please do not round

Kyle works at a donut factory, where a 10-oz cup of coffee costs 95¢, a 14-oz cup costs $1.15, and a 20-oz cup costs $1.50. During one busy period, Kyle served 22 cups of coffee, using 324 ounces...

Kevin L.

Native Mandarin, MS in Financial Eng / Comp Sci, CFA

Jersey City, NJ

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Daniel B.

Columbia U Math Student

New York, NY

Edward B.

STAT/MATH/Actuarial Science/MBA/Econ/Fin. - Ivy League Exp & Prof

New York, NY

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