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Question
Solve the system.
Answer
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Related questions
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The following equation represents the best-fit regression line for median personal total income of adult males vs. years of education past eighth grade in Northern Wisconsin.
Median personal income = 5,813 + 5,567 years of education
What would be the expected annual personal income of a male who had 8 years of education past eighth grade?
Q:
The following equation represents the best-fit regression line for median personal total income of adult males vs. years of education past eighth grade in Northern Wisconsin.
Median personal income = 4,370 + 5,796 years of education
What would be the expected annual personal income of a male who had 0 years of education past eighth grade?
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Create an estimate of a linear model for this data. Use points C and E from this table to estimate the slope, and then use point C to estimate the vertical intercept. Round the answers to 2 decimal places. Ounces of Polymer in Mold
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This table shows the final exam scores (y) compared to the hours studied (x) for 5 randomly selected students. Time spent Studying (hours)
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Use points D and E from this table to estimate the slope of the linear model for this data. Advertising Expense ($1000s)
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Q:
A national organization for retired persons claims that a retiree should have 8 years worth of income saved plus any additional amount needed to relocate (if desired) after retirement. The annual inflation rate is approximately 1.3%. A person who currently earns $34,000 per year wishes to relocate upon retirement. The move would cost $18,200 in today's money. How much should this person plan to have in savings at retirement if they plan to retire in 11 years. (Round the answer to the nearest penny.)
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Create a function for the diameter of a tumor after t days if the volume of the tumor doubles every 162 days and the tumor has an initial volume of 0.42 cubic cm. (Round all numbers to 5 decimal places.)
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The table below gives the life expectancy of a child (at birth) in the United States for selected years from 1920 to 1990.
(Source: Department of Health and Human Services) Year
1920
1930
1940
1950
1960
1970
1980
1990 Life expectancy
54.1
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Round answers to 2 decimal places if necessary.
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The graph below shows the number of birds at a bird feeder as a function of time. What event most likely occurred during interval E?
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On what interval is this graph increasing. State your answer in interval notation.
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Solve the following equation for y in terms of x and then express in f(x) form.
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Find an equation that represents the relationship between x and y in this table: x
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Determine if this set of points represents a function.
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Q:
A taxi company has the following fare policy: any trip of 5 miles or less costs $5.00 and the cost for each additional mile is $0.35. The company will not make a trip longer than 30 miles.
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B) ; Domain: [0,)
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For the given equation , which could never be a value of y?
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Which graph displays the solutions to the equation below? A) B) C)
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A) 2
B) 3
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The bar chart below was created using the number of children of each of the last 20 U.S. Presidents. Find the relative frequency of presidents who had 3 children.