An item costs x dollars and then a 20% discount is applied. Select ALL the expressions that could represent the price of the item after the discount? A. (20/100)x B. x - (20/100)x C. (1-0.20)x D. (100-20/100)x E. 0.80x F. (100-20)x

Q: A company finds it can produce 30 heaters for $7500, while producing 35 heaters costs $8700. Express…

A: From the given data we have two points: (30,7500) & (35,8700)

Q: Suppose you have a job that pays $8.50 per hour and you work anywhere from 10 to40 hours per week.a.…

A: Given:  Job pays $8.50 per hour. Work time in one week is 10 to 40 hour.

Q: Leela is Radha's younger sister. Leela is 4 years younger than Radha. Can you write Leela's age in…

A:

Q: The bar graph shows discretionary spending by full and part-time college students in some country…

A: In the question we have to find value at 2007 and whether formula given overestimated value or…

Q: The revenue function is given by R(x) = x p(x) dollars where x is the number of units sold and p(x)…

A:

Q: 15%, the sales volume increased by 30%. a. What was the original sales revenue? b. What were the…

A:

Q: he manufacturer of a product had fixed costs of $120,400 per year. The variable costs re 60% of…

A:

Q: The daily revenue, R, of a company that manufactures T-shirts is given by R = f(p) = p(500 − 5p)…

A: It is given that daily revenue, R, of a company that manufactures T-shirts is given by R…

Q: What value for x represents the year 2011​?

A: In this question, we need to find the percent change of beer company.

Q: Cigarette Use The percent of 12th graders who haveever used cigarettes for each of the years 2000…

A: The percent of 12th graders who have ever used cigarettes for each of the years 2000 through 2014…

Q: You went to your favorite school supplies store and used your P50 - off coupon. Then, you went to…

A: Given that i went to school supplies store and used 50 Pound offer coupon on an item. Then i went to…

Q: A savings and loan association estimates that the amount of money on deposit will be 10,000,000…

A: Let consider  that D is deposit and r is rate of interest.

Q: X=N(210 minutes, 45 minutes)What is the Z-score for a runner with a finish time of X=243 minutes?

A: Given a normal distribution with mean 210 and Standard deviation 45.Z score is the distance of a…

Q: b) Suppose the price of x1 increases to $2. What is the compensating variation? In other words, how…

A: Answer:-----.                       Date:----28/09/2021

Q: If the total revenue function for a blender is R) - 56х - 0.01x2 where x is the number of units…

A:

Q: You are going down a road with a 10% grade. You are going down feet every feet horizontally. The…

A: Going down a road with a 10% grade

Q: For 6-7. Rewrite y=4e° 251 in the form y=a(1+r)'and what is the percent decrease? 6. y=

A: Please see the explanation below

Q: For a recent NFL season, Aaron Rodgers had 9 more touchdown passes than Joe Flacco.a. Write a model…

A: A number of touchdowns passes by Rodgers is 9 more than the number thrown by Flacco. More implies…

Q: Suppose the price p of bolts is related to the quantity q that is demanded by: p= 690 -6g 2 where g…

A:

Q: a. The distance traveled by a car moving at 50 miles per hour for x hours b. The total number of…

A:

Q: The following formula can be used to determine the selling price of an item when the profit is based…

A: The objective is to derive the formula Selling price =Cost (100%-Percent of profit)

Q: What is the slope of the function f (x) = 6x³ - 7x + 4 when x = -1

A: Slope measures the rate of change in the dependent variable as the independent variable changes

Q: A price of an item yesterday was $120. Today, the price fell to $66. Find the percentage decrease.

A: The percentage decrease is given by: $120-$66=$54

Q: Find the break-even point for the revenue and cost. Fixed cost=$26,000 Varibles cost=$11 Price=$15…

A: Consider the given information:

Q: An item has a new selling price of P200.00 and markdown of P30.00. Find its original selling price,…

A: Explained below

Q: The marginal cost of producing the xth box of light bulbs is 4 + x2/1,000 dollars per box. Determine…

A: The marginal cost is, dCdx=4+x21000 To obtain the cost integrate both the sides as,…

Q: 4. Using the functions for each student, predict how many shares each student's post will have…

A: 4) To predict how many shares each student's post will have received on Day 3 and 10: Amber: Day 3:…

Q: Antonio is president of Maths-R-Us and has asked his financial advisor for a report about the…

A: To answer the following questions

Q: Data indicates that the percent change in beer shipments since the year 2007 for a beer company can…

A: The given expression y=−3.6x+25.2 where x=7 corresponds to the year 2007. Find the percent change…

Q: Use the cost equation to find the number of units x that a manufacturer can produce for cost C.…

A:

Q: Suppose gas costs $3.50 a gallon. We make a model for thecost C of buying x gallons of gas by…

A: Given that the gas costs $3.50 a gallon.

Q: Suppose the function h gives the cost of Car B t years since 2005. What does the expression 3h(7)…

A: Given data:   The given cost function of car B is h(t).     The expression for the initial value of…

Q: The cost in dollars y of producing x computer desks is given by y 20x+6000. a. Complete the table.…

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Q: Determine whether the statement given below makes sense or does not make sense, and explain your…

A: As per the given statement, if there is $1 increase in plane ticket fare over $300, then the…

Q: A bookstore marks up the price of a book by 45% of the cost from the publisher. Therefore, the…

A: It is given that the bookstore marks up the price of the book by 45% of the cost from the…

Q: Sammy bought a new car. The depreciation equation is given by f(x) = 30,000(.85)*, where x…

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Q: y=nx^2 - mx + 25 takes on the value of 15 when x=5, the rate of change is -7 at that point.…

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Q: Use the four-step procedure for solving the following variation problem. The height that a ball…

A: Given ,  The height that a ball bounces varies directly as the height from which it was dropped A…

Q: 10 What is the value of x in the equation

A: x=?

Q: 3. A manufacturer estimates the monthly cost to produce x items is C(x) = 1000 + 10x – 0.02x²…

A: The cost of producing x item is given by the function is: C(x)=1000+10x-0.02x2

Q: our cell phone carrier is offering you a new iPhone 12 for $800 with a $60 monthly plan.  The total…

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Q: Pierce Manufacturing determines that the daily​ revenue, in​ dollars, from the sale of x lawn chairs…

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Q: 13-f(t)=t-cost;

A:

Q: Suppose it has been determined that the sales at the gallery decline after the end of advertising…

A: Consider the model function for daily sales after the end of advertising campaign is S=7000-2-0.1x,…

Q: Suppose you are a cost accountant in a manufacturing firm. The cost accounting department have…

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Q: For each $1 increase in the price of a $300 plane ticket, an airline will lose 60 passengers, so if…

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Q: The population of a town increased from 3250 in 2007 to 5850 in 2009. Find the absolute and relative…

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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.