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asked 2021-01-13

Anonymous Anonymous
Asked 10mths ago.

A college student earned $8900 during summer vacation working as a waiter in a popular restaurant. Part was invested at 10% simple interest and the remainder at 6% simple interest. At the end of one year, the student had earned $674 interest. How much was invested at 10%?

A college student earned $8900 during summer vacation working as a waiter in a popular restaurant. Part was invested at 10% simple interest and the remainder at 6% simple interest. At the end of one year, the student had earned $674 interest. How much was invested at 10%?

asked 2021-07-04

Vince worked 18 hours last week. Part of the time he worked in a fast-food restaurant and part of the time he worked tutoring a high school student in mathematics. He was paid $7.25 per hour working in the restaurant and $15 per hour tutoring. If he earned $161.50, how many hours did he work at each job?

asked 2021-05-30

A chemist needs 150 milliliters of a 54% solution but has only 10% and 70% solutions available. How many milliliters of each should be mixed to get the desired solution?

asked 2021-03-07

\(\hat{y}=-9+5x_1x_1+6x_2x_2+0.3x_3x_3\)

a) According to this equation, what is the predicted value of the student's College Algebra score if their high school GPA was a 3.9, their high school Algebra II grade was a 2 and their placement test score was a 40? Round to 1 decimal place.

b) According to this equation, what does the student's placement test score need to be if their high school GPA was a 3.9, their high school Algebra II grade was a 2, and their predicted College Algebra score was a 67? Round to 1 decimal place.

asked 2021-02-05

The professor adjusted the grades for the class by

a. Increasing everyone's score by 10% and

b. Giving everyone 8 bonus points

c. x represents the original score of a student

asked 2021-03-02

Eastside Golden Eagles scored 60 points on a combi: nation of two-polnt shots and three-point shots. If they made a total of 27 shots. how many of each kind of shot was made”?

asked 2021-05-28

Lee buys a parcel of land in the shape of a rectangle. It has an area of 1,125 square feet and a width of 25 feet. What is the length of the parcel of land?