Alejandra believes that her score on an upcoming test can be modeled by the equation y = 7.4z + 56 where z represents the number of hours spent studying, and y represents Alejandra's test score. es Assuming this equation is accurate, predict Alejandra's test score if she studies for 2.5 hours. nces rations Drive Assuming this equation is accurate, predict Alejandra's test score if she studies for 3.5 hours. 365 nt Course ations Question Help: O Message instructor Submit Question Type here to search

Q: 6. The number of copies of a book sold the year it was released was 600,000. Each year after that,…

A:

Q: The amount of money Jamie earns is proportional to the number of hours she works. Jamie earns $62.50…

A: Given information: Amount of money earned by Jamie=$62.50Number of hours worked=5 hours

Q: During the Indy 500, the winning car traveled at an average constant speed of 232 miles per hour.…

A:

Q: 2. y = 4-5x 4+5x

A:

Q: The equation y = -0.0017x + 52.1926 represents the relationship between the temperature and the…

A:

Q: 4. y- 1125 whenx-5 5. y-, when x-4/a

A: Find your answer below

Q: 4. The chipmunk population in a region was 280 chipmunks in 2010. By 2015, the population increased…

A:

Q: and equation in slope-intercept form for each q. 8. 10 9. 8. 7 6. 5 -4 10 1 2 3 4 5 6 7 8 9 10…

A:

Q: Jeremy has $15 to spend at the carnival. Tickets for rides cost $1.50. Tickets for games cost $1.00.…

A: The linear equations are represented as: ax+by=c.

Q: ber 5. A taxi charges $2.50 for a ride plus $1.25 per mile traveled. The total charge for one ride…

A: Answer and explanation is given below...

Q: If you rent a car and drive 50 miles, it costs you $70. If you rent a car and drive 150 miles, it…

A:

Q: A movie service charges an initial fee of $6.50 and then an additional monthly fee. The table…

A:

Q: A pizza shop purchases a pizza oven for $1250. After 5 years, the oven will have to be replaced with…

A: Given that: Cost of oven=$1250Salvage value of oven = $250Years of depreciation = 5 years

Q: Jacob spent x hours working on homework last night. José spent % more time than that on homework…

A: Consider that Jacob spent x hours working on home work  Let y1 denote the time spent by Jacob on…

Q: Kylee believes that her score on an upcoming test can be modeled by the equation y=5.3x+51y=5.3x+51…

A:

Q: A school can buy 150 textbooks for $9725. They could also buy 85 textbooks for $5630 under the same…

A: Let ‘n’ be the number of textbooks and ‘c’ be the cost of the textbooks Use the given information…

Q: 2. John is spending money at the average rate of $5 per day. After 17 days he has $85 left. The…

A: Given information: John is spending money at the average rate of $5 per day. After 17 days he has…

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.