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MATH SOLVE
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The incomes in a certain large population of college teachers have a Normal distribution, with mean $75,000 and standard deviation $10,000. Sixteen teachers are selected at random from this population to serve on a committee. What is the probability that their average salary is more than $77,500?
General
2 months ago
The ratio of Monarch butterflies to swallowtail in the butterfly garden is 5:3. The ratio of swallowtail to Viceroy is 3:2. There are 30 Monarchs in the park. How many swallowtails are there? Viceroy?
General
2 months ago
The fixed costs to produce a certain product are 25,000 and the variable costs are $12.00 per item. The revenue for a certain product is $17.00 each. If the company sells x products, then what is the revenue equation ?
General
2 months ago
Explain the properties and the processes you have to use to solve the following logarithmic equation: log base 3 of x + log base 3 of 4 - 2log base 3 of 3 = 2
General
2 months ago
42 = -7 (z - 3)z = ?
General
2 months ago
The student council is planning an activi night to raise money.The student council will charge 5$ per student to attend activity night. Part a write an expression that can be used to calculate the for number of students.Part b the cost to rent is $200 the council has a goal to raise $350 after paying rental. How many student will need to attend activity night for stundents council to pay rental and reach there goal
General
2 months ago
Pentagon RSTUV is circumscribed about a circle. What is the value of x if RS = 6, ST = 9, TU = 7, UV = 15, and VR = 14?A. 3B. 10C. 4.5D. 1.5
General
2 months ago
Which inequalities are equivalent to n+15 <22? Select three options.On+15-15<22-15On+15<22-15On+15-22 <22-22On+15+6 <22+6On+ 15-22 <22PLEASE HELP
General
2 months ago
A tire company guarantees that a particular brand of tire has a mean useful lifetime miles or more. A consumer testing agency sampled n = 10 tires on a test wheel that simulated conditions. The sample mean lifetimes (in thousands of miles) were as follows: 42 36 46 43 41 35 43 45 40 39 Construct a 98% CI for the mean lifetime of this particular brand of tire.
General
2 months ago
You saved $300 to spend over the summer. You decide to budget $50 tospend each weekPart A Write an equation that represents this situation.Part B: Represent the situation on the graph below.Part C: What is the slope of the line? What does the slope representaPart D: What is the y-intercept? What does this point represent?
General
2 months ago
Find the value of x. The diagram is not drawn to scale.
General
2 months ago
Sasha and Mona practiced swimming every day. They increased the number of minutes of swimming every week as described below: Sasha: Practiced swimming for 10 minutes every day in the first week, 20 minutes in the second week, 40 minutes in the third week, and 80 minutes in the fourth week. Mona: Practiced swimming for 10 minutes every day in the first week, 20 minutes in the second week, 30 minutes in the third week, and 40 minutes in the fourth week. Which statement best describes the methods used by Sasha and Mona to increase the time they practiced swimming? Mona's method is linear because the number of minutes increased by an equal factor every week. Sasha's method is exponential because it increases by an equal number every week. Mona's method is exponential because it increases by a fixed factor, and Sasha's method is linear because it increases by a fixed number. Sasha's method is exponential because it increases by a fixed factor, and Mona's method is linear because it increases by a fixed number.
General
2 months ago
What is the area of this trapezoid? 50 in² 108 in² 126 in² 192 in² Trapezoid A B C D with parallel sides D C and A B. Points F and E are between D and C. F E B A form a rectangle with 4 right angles. D F is 2 inches, F E is 12 inches, E C is 2 inches, A B is 12 inches., and E B is 9 inches.
General
2 months ago
Which word best describes the degree of overlap between the two data sets? none moderate low high Two line plots with the same scale and interval, from zero to sixty, with tick marks every five units. The plots are stacked vertically for comparison. Each plot has fifteen data values. Values appear as x marks above the line. Upper plot data values are one x mark above thirty, two x makrs above thirty-five, four x marks above forty, four x marks above forty-five, one x mark above fifty, two x marks above fifty-five, and one x mark above sixty. Lower plot data values are three x marks above five, four x marks above ten, three x marks above fifteen, two x marks above twenty, one x mark above twenty-five, one x mark above thirty, and one x mark above thirty-five.HURRY PLEASE
General
2 months ago
Find the circumference of the circle. Use pi = 3.14. A. 3 m B. 18.84 m C. 6 m D. 28.26 m
General
2 months ago
grayson charges $35 per hour plus a $35 administration fee for tax preparation. Ian charges $45 per hour plus a $15 administration fee. If h represent the number of hours of tax preparation, for what number of hours does Grayson charge more than Ian?
General
2 months ago
PLEASE HELPMissi designed a stained glass window and made a scale drawing using centimeters as the unit of measurement. She originally planned for the length of the window to be 44 in. but decided to change it to 48 in. If the length of the window in her scale drawing is 4 cm, which statement about the change of scale is true?A)One cm represented 11 in. in the first scale, but now 1 cm represents 12 in. in the second scale.B)One cm represented 44 in. in the first scale, but now 1 cm represents 48 in. in the second scale.C)One cm represented 1 in. in the first scale, but now 1 cm represents 1 in. in the second scale.D)One cm represented 12 in. in the first scale, but now 1 cm represents 11 in. in the second scale.
General
2 months ago
Adam’s car traveled 465.3 miles on 16.5 gallons of gas. Which equation can be used to determine the average number of miles that the car traveled on each gallon of gas?
General
2 months ago
A square has side lengths of 2x inches. An equilateral triangle has side lengths of (2x+1/3) inches. If the square and the triangle have the same perimeter, what is the value of x?
General
2 months ago
Stan guessed on all 10 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that he got at least 2 questions correct? Round the answer to the nearest thousandth.
General
2 months ago
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