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MATH SOLVE
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Which of the following is an equation for the line that passes through the point (0,0) and is perpendicular to the line shown above ?
General
4 months ago
ABC Company has made a claim that, on average, their diet soda has less than one calorie. A consumer testing service examined nine cans, and the amount of calories recorded were 0.90, 0.95, 1.00, 1.05, 0.85, 1.00, 0.95, 0.95 and 0.90. Assume the underlying population is approximately normal. a. What are the sample mean and sample standard deviation, respectively?b. Let μ denote the true mean calories of all diet sodas produced by ABC Company. What hypothesis should be tested in order to show if ABC’s claim is valid?c. The appropriate statistic to test this hypothesis is ______d. The value of the test statistic is ______e. The appropriate number of degrees of freedom for this test statistic is ______f. What conclusion can be made with 95% confidence?
General
4 months ago
A university claims its recent graduates earn an average annual salary of $50,000. You draw a random sample of 30 recent graduates and find that their average salary is $47,000, with a standard deviation of $5,000. What is the estimate of the standard error of the mean for this data?
General
4 months ago
"What is the probability that in 10 dice throws, you will throw AT LEAST two ‘3’s on the dice? Assume you’re throwing a single die each time."
General
4 months ago
Seven previously untrained males performed leg-strength training 3 days per week for 8 weeks (with four sets of five replications at 85% of one repetition maximum). Peak power during incremental cycling increased to a mean of 315 watts with a standard deviation of 16 watts. Construct a 95% confidence interval for the mean peak power after training.
General
4 months ago
Seven points are marked on the circumference of a circle. How many different chords can be drawn by connecting two of these seven points?
General
4 months ago
A baseball is thrown in a parabolic arc. Help?
General
4 months ago
n a trip, a motorist drove 150 miles in the morning and 50 miles in the afternoon. His average rate in the morning was twice his average rate in the afternoon. He spent 5 hours driving. Find his average rate on each part of the trip.
General
4 months ago
In Miller county, the voting in annual elections have gone down by a consistent percentage each year and can be modeled bythe function y = 5,700(0.94) What does the value 0.94 represent in the function?The decay factor of voters.The initial number of voters.The number of time intervals.The number of voters after t years,
General
4 months ago
16)- In Miller county, the voting in annual elections have gone down by a consistent percentage each year and can be modeled bythe function y = 5,700(0.94) What does the value 0.94 represent in the function?The decay factor of voters.The initial number of voters.The number of time intervals.The number of voters after t years.
General
4 months ago
The expression 17n+11 represents the perimeter of the triangle. A simplified expression that represents the measure of the third side is
General
4 months ago
Your school is 20 blocks east and 12 blocks south of your house. The mall is 10 blocks north and 7 blocks west of your house. You plan on going to the mall right after school. Find the distance between your school and the mall assuming there is a road directly connecting the school and the mall. One block is 0.1 mile. Round your answer to the nearest tenth of a mile. East=X, West=-X, North=Y, South=-Y
General
4 months ago
[tex]1,\frac{1}{8},\frac{1}{27},\frac{1}{64},...,\frac{1}{n^{3}},...[/tex]The denominator of the seventh term isA.] 125B.] 216C.] 343D.] 513
General
4 months ago
HELP PLEASE! Are the two triangles similar? How do you know?
General
4 months ago
Jj sell tablets at a store. He earns $180 a week plus$15 for ever tablet he sells. Jj earns $315 last week. Write a equation that can be used to determine the number of computers Jj sold last week. how many was sold
General
4 months ago
Walt received a package that is 2 1/3 inches long, 6 3/4 inches high, and 8 1/2 inches wide. What is the surface area of the package?
General
4 months ago
Part A) Julio makes a scale drawing of the kitchen floor to determine how many square feet of flooring he needs to buy . The scale of his drawing is 1 inch:4 feet. (The length is 4 1/2 and the width is 3 3/8) What is the actual are of Julio's kitchen floor?Part B) Julio makes a scale drawing of part of the kitchen wall to design a tile pattern. He will use gray tiles and white tiles to form the pattern shown. The length of each square in the drawing represents 1/2 foot on the actual kitchen wall. (There are 14 gray tiles and 10 white tiles) If Julio uses 2-inch by 2-inch tiles, how many tiles of each color will he need?
General
4 months ago
What is the solution to the equation 5x + 2y = -9a.(2,-4)b.(-1,2)c.(-2,5)d.(1,-3)
General
4 months ago
A salesperson earns a weekly base salary plus a commission of 20% of all sales over the first $500. This situation can be represented by the expression 750+0.2(x-500). Which of the following describes the meaning of 0.2(x-500) for this situation?a. total amount of salesb. total amount of salary earned c. total amount of sales after the first $500d. total amount of commission earned and example why it is the answer
General
4 months ago
Which linear inequality is represented by the graph?y < 3x + 2y > 3x + 2y < x + 2y > x + 2
General
4 months ago
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