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General
3 months ago
Ace Hardware sells boxes of wrench (100) and hammers ($300). Howard ordered 40 boxes of wrenches and hammers for $8400. How many boxes of each are in the order?
General
3 months ago
Select all statements that are true about the linear equation.y= 1/3x + 2The graph of the equation is a single point representing one solution to the equation.The point (9,5) is on the graph of the equation.The graph of the equation is the set of all points that are solutions to the equation.The point (-3,-1) is on the graph of the equation.
General
3 months ago
The sum of the ages of Berma, her mother Rinna and her father Erwin is 80. Two years from now, Rinna’s age will be 13 less than the sum of Erwin’s age and twice Berma’s age. Three years ago, 15 times Berma’s age was 5 less than the age of Rinna. How old are they now?
General
3 months ago
Weatherwise is a magazine published by the American Meteorological Society. One issue gives a rating system used to classify Nor'easter storms that frequently hit New England and can cause much damage near the ocean. A severe storm has an average peak wave height of ? = 16.4 feet for waves hitting the shore. Suppose that a Nor'easter is in progress at the severe storm class rating. Peak wave heights are usually measured from land (using binoculars) off fixed cement piers. Suppose that a reading of 34 waves showed an average wave height of x = 17.3 feet. Previous studies of severe storms indicate that ? = 3.5 feet. Does this information suggest that the storm is (perhaps temporarily) increasing above the severe rating? Use ? = 0.01.(a) What is the level of significance?1What is the value of the sample test statistic? (Round your answer to two decimal places.)
General
3 months ago
The age of an ancient tree trunk is estimated using radiocarbon dating. If the trunk has a C-14 decay rate that is 34% of what it is in living plants, how old is the trunk? The half-life of C-14 is 5730 years.
General
3 months ago
A board game allows players to trade and sell game pieces of equal value. Player 1 traded three cars plus $100 for a house. Player 2 sold two houses and a car for $2300. How much is a car worth?
General
3 months ago
Select all that apply.
General
3 months ago
The seventh grade class supplied bags of snacks and beverages for the school dance They supplied19 more beverages than bags of snacks The dance was supplied with a total of 371 items.
General
3 months ago
A chemist is using 357 milliliters of a solution of acid and water. If 13.2 % of the solution is acid, how many milliliters of acid are there? Round your answer to the nearest tenth.
General
3 months ago
A shipping company is loading cube shaped crates into a larger cube shaped container the smaller cubes have side lengths 21/2 feet,and the larger shipping container has side lengths of 10 feet. How many crates will fit in the largest shipping container?Explain your reasoning
General
3 months ago
Matthew scored a total of 168 points in basketball this season. He scored 147 of those in the regular season, and and the rest were scored in his only playoff game. What percent of his total points did he score in the playoff game?
General
3 months ago
Include ALL the steps (statements/reasons) by writing a paragraph proof.
General
3 months ago
I need help trying to get the value of the x angle, here's an image of it
General
3 months ago
Shelby bought a 2-ounce tube of blue paint. She used 2/3 ounce to paint the water, 3/5 ounce to paint the sky, and some to paint a flag. After that, she has 2/15 ounce left. How much paint did Shelby use to paint her flag?
General
3 months ago
The average price of homes sold in the U.S. in the past year was $220,000. A random sample of 81 homes sold this year showed a sample mean price of $210,000. It is known that the standard deviation of the population is $36,000. Using a 1% level of significance, test to determine if there has been a significant decrease in the average price homes. Use the p value approach. Make sure to show all parts of the test, including hypotheses, test statistic, decision rule, decision and conclusion.
General
3 months ago
The sailboat has 1 large sail and one small sail. The large sail is 24 feet tall. The base of the sail is 12 feet long. What is the area of the large sail?
General
3 months ago
WILL GIVE 100 POINTS1. In a music stadium, there are 18 seats in the first row and 21 seats in the second row. The number of seats in a row continues to increase by 3 with each additional row.(a) Write an explicit rule to model the sequence formed by the number of seats in each row. Show your work.(b) Use the rule to determine which row has 120 seats. Show your work.
General
3 months ago
A nutrition label states that there are 36g of carbonhydrates in each serving. This counts 12% of the daily value. How many grams of carbohydrates are recommended per day?Can you please show a good explanation like the problem on math on how you did it
General
3 months ago
For a moving object, the force acting on the object varies directly with the object's acceleration. When a force of 20 N acts on a certain object, the acceleration of the object is 4 /ms2. If the force is changed to 50 N, what will be the acceleration of the object?
General
3 months ago
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