we need to find the speed of the two people, roberto and juanita

we need to find the speed of the two people, roberto and juanita

Two numbers sum to be -27. Three times the first number and four times the second number sum to be -160. Find the two numbers. Set up as a story problem with variables and 2...

You have 13 bills in your wallet in $1, $5, and $10. There are twice as many $1 bills as $5 bills. The number of $10 bills is one more that the number of $5 bills. How many of each bill do you have...

A student spent a total of 18 hours one week studying for three courses: biology, English, and history. Twice the time was spent studying English equals the time spent studying biology and history...

Local cell phone company offers two different calling plans. In the first plan, you pay a monthly fee of %30 and $0.35 per minute. In the second plan you pay monthly fee of $99 and $0...

The first order was for 35 T-shirts and it cost $337.50. The second order was for 56 T-shirts and it cost $516. The prices include a standard shipping and handling charge. What is the cost per...

The Sweater Shop sells sweaters in three colors: red $20, blue $25, white $28. On Tuesday, they sold 23 sweaters. They sold seven more red sweaters than blue sweaters. They sold $522 in sweaters,...

Your boss is trying to decide whether the company should buy a standard car with a gasoline engine or the same type of car with a hybrid engine for the next company car. The standard car gets an average...

Form a? third-degree polynomial function with real coefficients such that 5 plus i and 2 are zeros.

In your own words, explain why the method of dividing complex numbers works. What property justifies this process?

For what integer value of m is 2m + 14 > 42 and 5< m/4 + 3 <7?

Polynomials and Quadratics

The Sweater Shop sells sweaters in three colors: red $20, blue $25, and white $28. On Tuesday, they sold 23 sweaters, they sold more red sweaters than blue sweaters. If they sold $522 in sweaters,...

three less than three times a number is 5/6. what is one more than twice the number ? a. 2 2/3 b. 3 4/9 c. 3 5/9 d. 2 1/2

What are the roots of the function?

Two girls want to start a lawn mowing business for the summer. They plan to buy a power mower for $200, and they hope to charge $8.50 an hour. Determine how many hours the girls...

Suppose that y represents the average consumer spending on television services per year (in dollars), and that x represents the number of years since 2004. a. Use the data points (2,308)...

-v^2 - 6v - 7 = 2

A speeding ticket is $100 plus $5 for every 1 mph over the speed limit. a) Write a linear function to model the cost S(x) (in $) of a speeding ticket for a person caught driving x mph over...

Just a problem on my homework I need help with.

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