Micheal wants to buy an efficient smart car that according to the latest EPA standards gets 33 mpg in the city and 40 mpg on the highway. The car that Micheal picked out costs $16,100. His dad agreed to purchase the car if Michael would pay it off in equal monthly payments for the next 70 months. The equation y= -230x+16,100 represents the amount, Y (in dollars), that Michael owes his father after X months. A) How much does Michael owe his dad after six months? B) determine the slope of the line and interpret its meaning in the context of this problem. 1) Micheal owes his father $[ ] after 6 months. 2) The slope is [ ] 3) The amount Michael owes his father [choose one] by $[ ] per month.
Hailey used math to describe design in nature: the number of legs insects and spiders have, the number of petals on flowers, and even the patterns of spots on some animals. Math shows the world is designed, and that design is _______.
Mai is planning to save all her earnings from stuffing envelopes at the campaign office over the summer. a How much does Mai earn per envelope?
Peggy pays an annual fee of $10.75 to belong to an online music club and download songs at a reduced price. Last year she downloaded 105 songs altogether. Non-members pay $0.35 more per song download than members. Suppose Daniel is not a member of the club and downloaded 85 songs last year. If Daniel and Peggy both paid the same total amount, what is the cost per download for members and for non-members? Let x represent the cost of downloading a song for members. Set up and solve an equation.
3. A circular pool of oil grew so that its radius increased by 2 feet. The formula shown can be used to determine the area of the circle. A = π (r + 2)² Which equation is equivalent to the formula solved for r in terms of A? Or=√1-2 Or=√√√+2 Or=√√4+2 Or-√4-2
Content attribution QUESTION 4 L 1 POINT The population standard deviation for the heights of dogs, in inches, in a city is 4.8 inches. If we want to be 90% confident that the sample mean is within 1 inch of the true population mean, what is the minimum ple size that can be taken? Use the table above for the z-score, and be sure to round up to the nearest integer. Provide your answer below: Z0.10 | Z0.05 | Z0.04 |Z0.025 | Z0.01 |Z0.005 1.282 1.645 1.751 1.960 2.326 2.576 Content attribution \\\\\\ W FEEDBACK FEEDBACK
Question content area top Part 1 Find an equation for the line with the given properties. Express your answer using either the general form or the slope-intercept form of the equation of a line. Perpendicular to the line y= 1 2x−2; containing the point (−3,6)
You want to be able to withdraw $20,000 each year for 20 years. Your account earns 9% interest. a) How much do you need in your account at the beginning? b) How much total money will you pull out of the account? c) How much of that money is interest?
In the figure below, XYZ - ACB. Find cos B, sin B, and tan B. Round your answers to the nearest hundredth. 10.8 Z 25.5 23.1 Y C A B
A sample of 39 customers was taken at a local computer store. The customers were asked the prices of the computers they had bought. The data are summarized in the following table. Number of computers Price (in dollars) 13 - 2300 11 - 1800 15 - 2150 Find the mean price for this sample. Round your answer to the nearest dollar.