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MATH SOLVE
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Sally invested money into two different accounts at the same time. The system of inequalities represents the balance of each account where x represents the number of years the money has been invested.Account A: y≥1.13x+1000Account B: y≥1.08x+1000What is true in the context of the situation based on the system of inequalities?Select True or False for each statement.Statement True FalseSally initially invests more money into Account A than Account B.The rate at which the balance of Account A grows is greater than the rate at which the balance of Account B grows.Sally invests a total of $1000 into the two accounts.
General
2 months ago
A volleyball league organizer collected $2,040 for both divisions of volleyball teams.teams.the blue division costs &160 per team and the red division costs $180 per team how many teams will play in each division
General
2 months ago
A volleyball league collected $2,040 for both division of volleyball teams the blue division costs &160 per team and the red division costs $180 per team.how many teams will play in each division
General
2 months ago
Parking Hoping to lure more shoppers downtown, a city builds a new public parking garage in the central business district. The city plans to pay for the structure through parking fees. Dur-ing a two-month period (44 weekdays), daily fees collected av-eraged $126, with a standard deviation of $15. a) What assumptions must you make in order to use these statistics for inference? b) Write a 90% confidence interval for the mean daily income this parking garage will generate. c) Interpret this confidence interval in context. d) Explain what "90% confidence" means in this context. e) The consultant who advised the city on this project predicted that parking revenues would average $130 per day. Based on your confidence interval, do you think the consultant was correct? Why?
General
2 months ago
In a recent year, a poll asked 2362 random adult citizens of a large country how they rated economic conditions. In the poll, 22% rated the economy as Excellent/Good. A recent media outlet claimed that the percentage of citizens who felt the economy was in Excellent/Good shape was 24%. Does the poll support this claim? a) Test the appropriate hypothesis. Find a 99% confidence interval for the proportion of adults who rated the economy as Excellent/Good. Check conditions. b) Does your confidence interval provide evidence to support the claim? c) What is the significance level of the test in b? Explain.
General
2 months ago
Assume that the following confidence interval for the difference in the mean length of male (sample 1) and female babies (sample 2) at birth was constructed using independent simple random samples. What does the confidence interval suggest about the difference in length between male babies and female babies? minus −0.2 in. less than < mu 1 μ1 minus − mu 2 μ2 less than <1.7 in.a female babies are longerb male babies are longerc there is no difference in the length between male and female babies
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2 months ago
A random sample of 500 adult residents of Maricopa County found that 356 were in favor of increasing the highway speed limit to 75 mph, while another sample of 400 adult residents of Pima County found that 297 were in favor of the increased speed limit. Do these data indicate that there is a difference in the support for in increasing the speed limit between the residents of the two counties? Use α = 0.05.a) do these data indicate that there is a difference in thesupport for increasing the speed limit between residents of the twocounties? Use α = 0.05. What is the P-value forthis test?b) construct a 95% confidence interval on the difference inthe two proportions. Provide a practical interpretation ofthis interval.Please show formulas
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2 months ago
A very large gardening business grows rose bushes for sale to garden stores around the world. The most popular colors are red, pink, and white. The business decides on 50% red roses, 30% pink, and 20% white. A gardener orders 10 rose bushes selected randomly from a huge field. Her primary interest is in pink roses. A good model for the number of bushes with pink roses is given by the binomial distribution.The probability of getting at least 3 pink rose bushes is: (a) 0.5. (b) 0.617. (c) 0.348. (d) 0.259.
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2 months ago
Verify that the given vector field h is a gradient. Then calculate the line integral of h over the indicated curve C by finding f such that the gradient f = h and evaluating f at the end points of C.h(x,y) = xy^2 i + yx^2 jr(u) = u i + 2u^2 j0 ? u ? 1Please show all the steps so that I will know where i am making a mistake. I have attempted this question 4 times and i do not know where am going wrong. The correct answer is 2. I keep getting 4.
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2 months ago
Scores on the SAT college entrance test in a recent year were roughly Normal with mean 1026 and standard deviation 209. You choose an SRS of 100 students and find their average SAT score, x-bar. If you repeatedly take SRS of 100 students and calculate x-bar for each sample, then the mean of the sampling distribution you create will be closest to
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2 months ago
Which option offers the best explanation for the difference between the budget deficit and the national debt? A) The budget is the annual expenditures of the federal government, while the national debt is the money owed each year. B) The budget deficit is when the government spends more than is collected as revenue in a single year, while the national debt is the total amount of money owed by the government. C) The budget deficit is the amount of expenditures budgeted, while the national debt is the money spent over the annual budget. D) The budget deficit is the total amount of money owed by the federal government, while the national debt is the money owed.
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2 months ago
The center of a circle is (4, 6), and an endpoint of a diameter is (2, 5). What is the other endpoint of the diameter?
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2 months ago
HELP PLEASE! −3.64⋅|−5.3|−1.53 what is the anwser?
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2 months ago
The volume of a rectangular prism is (x3-3x2+5x-3), and the area of its base is (x -2). If the volume of a rectangular prism is the product of its base area and height, what is the height of the prism?
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2 months ago
what is -4(-4+3)+2 squared. use order of operations.
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2 months ago
Use the equation p=8.31/v where p = pressure and V = volume. What happens to the pressure as the volume approaches 0? Explain your reasoning.
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2 months ago
Eric plans to rent a car for a day from Easy Car Rental. He has a coupon for 25% off the daily base rate of $40. He will also have to pay an additional $0.15 for each mile he drives. Which expression represents the situation? (m represents the number of miles)
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2 months ago
Which of the side lengths could form a triangle? A) 2 cm, 2 cm, 4 cm B) 3 cm, 5 cm, 10 cm C) 3 cm, 4 cm, 5 cm D) 4 cm, 8 cm, 15 cm Eliminate
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2 months ago
There were n signers of the Declaration of Independence. The youngest was Edward Rutledge, who was x years old. The oldest was Benjamin Franklin, who was y years old. X is 25% of 104, 7 is 10% of y, and n is 80% of y. Y is what percent of (n+y-x)?
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2 months ago
Mia bought 10 1/9 lb of flour. She used 2 3/4 lb of flour to bake a banana cake and some to bake a chocolate cake. After baking two cakes, she had 3 5/6 lb of flour left. How much flour did she use to bake the chocolate cake?
General
2 months ago
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