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MATH SOLVE
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A quality assurance specialist makes $22 an hour for the first 40 hours she works during a week and $29 an hour for each hour worked over 40 hours. Which piecewise equation models her total weekly pay y in dollars as it relates to the number of hours x that she has worked during the week?
General
4 months ago
A flyer is spread by people at a large conference. Within one hour, the first person gives a stack of flyers to six people. Within the next hour, those six people give a stack of flyers to six new people. If this pattern continues, which summation can be used to calculate the number of people who receive a stack of flyers, not including the initial person, in the first five hours?
General
4 months ago
Emily made a batch of cookies. She sold 2/3 of them and gave 1/5 of the remainder to her friends. If she had 60 cookies left, how many cookies did she originally make?
General
4 months ago
PLEASE HELP GEOMETRY QUESTION: abcd and efgh are squares. if jh = 4 cm and jc = 9 cm, then what is the area of the shaded region?
General
4 months ago
Eric is observing the velocity of a runner at different times. After one hour, the velocity of the runner is 5 km/h. After three hours, the velocity of the runner is 3 km/h.Part A: Write an equation in two variables in the standard form that can be used to describe the velocity of the runner at different times. Show your work and define the variables used. (5 points)Part B: How can you graph the equations obtained in Part A for the first 5 hours? (5 points)
General
4 months ago
For a function f defined by f : x → 4x² - 3, find a domian of x corresponding to range 1 < f(x) < 13.
General
4 months ago
George Box, a famous statistician, once said, "All models are wrong, but some are useful.” What did George Box mean by this statement?
General
4 months ago
A rectangular parking lot has a width 30 feet more than its length. The owners are able to increase the width by 20 feet and the length by 40. The new lot has an area of 27,200 square feet, what is the area of the original lot?
General
4 months ago
the table shows the rainfall, in inches in the month of July for the years 2006 through 2011A. in what way could the graph be misleading?B. how could you redraw the graph so that it is less misleading?PLZ HELP
General
4 months ago
Tanya took a cab from her home to the airport. Her total fare including a tip of $5.00, was $28.50. EZ Cab Company has a pick-up-at-home charge of $2.50, which is not shown on the meter. The cab meter charges $1.00 for the first 0.2 mile and $0.25 for each additional 0.2 mile traveled. With this information, my question is: How much did the cab meter show when Tanya arrived at the airport?
General
4 months ago
stacy has hired tom to build her a doll house. The doll house will be a scale model of her home, and the scale will be 2 inches:3ft. The living room in stacy's house is 18 feet by 12 feet and has wall-to-wall carpeting. Hiw many square inches of carpeting will Tom need for thevliving room in Stacy's doll house?
General
4 months ago
A sign says that the price marked on all music equipment is at a discount for 30% off. You buy an electric guitar for the same price of $315.{Im only in 7th grade.}What is the percent you pay? _____________Write an equation to find the regular price of the item. __________________What was the regular price? ____________
General
4 months ago
Which of the following functions is graphed below?
General
4 months ago
Peter mixes 4 1/2 cups of orange juice, 1 1/3 cups of ginger ale, and 6 1/3 cups of strawberry lemonade to make some punch. What is the total number of cups of punch that peter makes?
General
4 months ago
Which of the following is not a benefit of contributing to a retirement account? A. No need to pay taxes B. Reduction in taxable incomeC. Employer matching D. Contributions earning interest once deposited
General
4 months ago
1. A sine function has the following key features:Frequency = 16πAmplitude = 2Midline: y = 3y-intercept: (0, 3)The function is not a reflection of its parent function over the x-axis.Use the sine tool to graph the function. The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point.2. A sine function has the following key features:Period = 12Amplitude = 4Midline: y = 1y-intercept: (0, 1)The function is not a reflection of its parent function over the x-axis.Use the sine tool to graph the function. The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point.3. A sine function has the following key features:Period = 4πAmplitude = 2Midline: y = 3y-intercept: (0, 3)The function is a reflection of its parent function over the x-axis.Use the sine tool to graph the function. The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point.4. picture 5. picture
General
4 months ago
Galileo wanted to release a wooden ball and an iron ball from a height of 100 meters and measure the duration of their fall. He found a plane with an incline of 12 degrees that he could climb until he could get to an altitude of 100 m. How far should Galileo walk up the inclined plane? Round your final answer to the nearest hundredth.
General
4 months ago
Jessique sells handbag for $50 each she spends $4 per handbag for materials and $1000 to rent a store each month write an expression that shows how much profit jessique will earn in 1 month if she sells x amount of handbags
General
4 months ago
What is the area of a triangle that has a base of 15 1/4 in and a height of 18 in?
General
4 months ago
What is the total surface area of the figure shown
General
4 months ago
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