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MATH SOLVE
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1. In triangle XYZ, A is the midpoint of XY, B is the midpoint of YZ, and C is the midpoint of XZ. Also, AY = 7, BZ = 8, and XZ = 18. What is the perimeter of triangle ABC? (SHOW WORK)2. What is y? (SHOW WORK) 2nd picture is the triangle.
General
2 months ago
Are you smarter than a second grader? A random sample of 60 second graders in a certain school district are given a standardized mathematics skills test. The sample mean score is = 52. Assume the standard deviation of test scores is σ = 15. The nationwide average score on this test is 50. The school superintendent wants to know whether the second graders in her school district have greater math skills than the nationwide average.
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2 months ago
spberrJi Sunn spent $24 at the local farmer's market. She bought apples that cost $4 per pound andWhich equation can be used to represent the amount of raspberries, r, in terms of apples, a?or= 4+ =
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2 months ago
In a random sample of 81 audited estate tax returns, it was determined that the mean amount of additional tax owed was $3408 with a standard deviation of $2565. Construct and interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. The lower bound is $ nothing. (Round to the nearest cent as needed.) The upper bound is $ nothing. (Round to the nearest cent as needed.) Interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Choose the correct answer below. a. One can be 90% confident that the mean additional tax owed is less than the lower boundb. One can be 90% confident that the mean additional tax owed is between the lower and upper boundsc. One can be 90% confident that the mean additional tax owed is greater than the upper bound.
General
2 months ago
Kendall just became a personal trainer and is finalizing her pricing plans. One plan is to charge $37 for the initial consultation and then $33 per session. Another plan is to charge $101 for the consultation and $32 per session. Kendall realizes that the two plans have the same cost for a certain number of sessions. How many sessions is that? What is that cost?
General
2 months ago
Suppose that a baseball is thrown upward with an initial velocity of 132 feet per second (90 miles per hour) and it is released 4 feet above the ground. Its height h after t seconds is given by hequalsminus16tsquaredplus132tplus4. After how many seconds does the baseball reach a maximum height?
General
2 months ago
1. Remember what we know about vertical angles and solve for x. (SHOW WORK)2. Use the figure to answer the questions. (a) What additional information is needed to prove the triangles are congruent by SAS Postulate? Explain.(b) What additional information is needed to prove the triangles are congruent by the HL Theorem? Explain. (SHOW WORK)
General
2 months ago
A runner sprints around a circular track of radius 100 m at a constant speed of 7 mys. The runnerâ€™s friend is standing at a distance 200 m from the center of the track. How fast is the distance between the friends changing when the distance between them is 200 m?
General
2 months ago
Which of the following statements is correct? a. Population parameters are used to make inferences about sample statisticsb. Population statistics are used to make inferences about sample parametersc. Sample parameters are used to make inferences about population statisticsd. Sample statistics are used to make inferences about population parameters
General
2 months ago
Beta Electronics earned net income of $20,000. Included in the net income was $2,000 of depreciation expense. Current assets increased by $2,000 and current liabilities increased by 1,000. How much cash is provided by operating activities?
General
2 months ago
Part A: Jake rented a kayak at $26 for 3 hours. If he rents the same kayak for 5 hours, he has to pay a total rent of $42. Write an equation in the standard form to represent the total rent (y) that Jake has to pay for renting the kayak for x hours. (4 points)Part B: Write the equation obtained in Part A using function notation. (2 points)Part C: Describe the steps to graph the equation obtained above on the coordinate axes. Mention the labels on the axes and the intervals. (4 points)
General
2 months ago
I need help ASAP!!!!!!!!!!!! First answer will get brainestBeatrice started babysitting when she was in high school. She has built a reputation for herself and has become popular among the neighborhood parents. Beatrice charges $10/h and gets a $5 automatic tip. Beatrice needs $100 to buy a present for her mother. She wants to find out the minimum number of hours she needs to babysit at one job to get the money she needs. (a)Write an inequality and solve it to help Beatrice figure out the minimum number of hours. Identify what the variable is and what it represents. Show your work. Justify each step in the solution. (b)Graph the solution on a number line. (c)Beatrice doesn’t charge for partial hours. What is the minimum number of hours that she needs to work at one job to make at least $100? Round your answer to the nearest hour.
General
2 months ago
SHALL CROWN BRAINLIEST!Which sentence uses a double negative correctly?A. I was not displeased by my performance at the recital.B. I don't have no hat to wear to the game.C. Fernando's parents won't give him no money for lunch.D. Molly never gets no respect from her sister.I vaguely suspect the answer is A, but I need someone to confirm my suspicions.
General
2 months ago
Select the problems which show the correct answers. (1.12 x 105) (6.06 x 105) Answer: 6.79 x 1010 (2 x 101)(3.0 x 101) Answer: 6.0 x 101 (2.775 x 10−4) (4.775 x 104) Answer: 1.325 x 100 5 8.14 x 102 Answer: 6.14 x 10−3
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2 months ago
The taxi fare in Gotham City is $2.40 for the first 1/2 mile and additional mileage charged at the rate $0.20 for each additional 0.1 mile. You plan to give the driver a $2 tip. How many miles can you ride for $10? (An explanation would be helpful!)
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2 months ago
the equation of the quadratic function represented by the graph is y=a(x-3)^2-1. What is the value of a?Plz help I don't understand how to solve.
General
2 months ago
Consider the function shown on the graph. Which function does the graph represent?a.f(x) = (x + 3)(x + 7)b.f(x) = (x – 3)(x – 7)c.f(x) = 3(x – 3)(x – 7)d.f(x) = 11(x + 3)(x + 7)
General
2 months ago
Solve and show steps. will award brainliest.
General
2 months ago
12. Which one of the following is a geometric sequence? A. −7, 10, 23, 36, . . . B. 8, 4, 2, 1, 1/2, 1/4, . . . C. 2, −3, 9/2, −18/4 D. 0, 1, 2, 3, . . .
General
2 months ago
Juan analyzes the amount of radioactive material remaining in a medical waste container over time. He writes the function f(x) = 10(0.98)x to represent the amount of radioactive material that will remain after x hours in the container. Rounded to the nearest tenth, how much radioactive material will remain after 10 hours?
General
2 months ago
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