share-bin
Calculators
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
share-bin
share-bin
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
MATH SOLVE
Home
given function models the annual sales turnover of a company, f(x), in millions of dollars, x years after the company was listed on the stock exchange.f(x)=1,600(1.045)^xWhich statement is true?A. The average annual increase in sales from years 4 to 6 was approximately $29.26 million. B. The average annual increase in sales from years 8 to 10 was approximately $104.70 million.C. The average annual increase in sales from years 2 to 4 was approximately $53.60 million. D. The average annual increase in sales from years 6 to 8 was approximately $191.75 million.
General
5 months ago
what is a distribution? Pleaseeee help!
General
5 months ago
The sequence of transformations, RO,90° ° Tx-axis, is applied to ΔXYZ to produce ΔX''Y''Z''. If the coordinates of Y'' are (3, 0), what are the coordinates of Y? Y(_,_)
General
5 months ago
Express in terms of sums and differences of logarithms ln 9/8x^8 y
General
5 months ago
Help please ?? People say it’s hard and it is so help
General
5 months ago
Country A has a growth rate of 4.6% per year. The population is currently 5 comma 333,000, and the land area of Country A is 27,000,000,000 square yards. Assuming this growth rate continues and is exponential, after how long will there be one person for every square yard of land? This will happen in nothing years.
General
5 months ago
In 2012, the population of a city was 6.57 million. The exponential growth rate was 2.87% per year. a) Find the exponential growth function. b) Estimate the population of the city in 2018. c) When will the population of the city be 10 million? d) Find the doubling time. a) The exponential growth function is P(t)equals nothing, where t is in terms of the number of years since 2012 and P(t) is the population in millions
General
5 months ago
x + y = 3k x - y = k The solution of the system shown is _____. (0, 2k) (2k, 0) (2k, k)
General
5 months ago
Given: ABCD is a trapezoid with AB || DC. If m∠A = 125 and m∠B = 99, find m∠C/
General
5 months ago
Help Me Please!!!The following picture is a square pyramid where AE= 6√2 cm and ∠EAB = 45°.Find the surface area of the pyramid. (Make sure you include formulas and numbers in the formulas as part ofyour solution. Also, include units in your final answer)
General
5 months ago
A student at Fort Hays State University earned grades 84, 78, 84, and 72 on her four regular tests. She earned a grade of 78 on the final exam and 86 on her class projects. Her combined homework grade was 87. The four regular tests count for 40% of the final grade, the final exam counts for 30%, the project counts for 10%, and the homework counts for 20%. What is her weighted mean grade? Round to one decimal place.
General
5 months ago
In the 1992 presidential campaign, H. Ross Perot received about 20% of the popular vote. As the 1996 campaign approached, a statistician wanted to test whether Perot had maintained the same level of support. He polled 100 people and found that 15 of them supported Perot. He will use a .01 level of significance. What is the value of the test statistic? a. –1.40 b. –1.25 c. 1.25 d. 1.40
General
5 months ago
please help! The ratio of the number of adults to the number of children on a cruise was 13:6. The ratio of girls to the total number of children was 2:5. If there were 198 boys on the cruise, what was the total number of passengers?
General
5 months ago
A package delivery service claims that no more than 5 percent of all packages arrive at the address late. Assuming that the conditions for the binomial hold, if a sample of size 10 packages is randomly selected and the 5 percent rate holds, what is the probability that more than 2 packages will be delivered late? Round to four decimal places.
General
5 months ago
A rectangular storage container with an open top is to have a volume of 10 m3. The length of this base is twice the width. Material for the base costs $20 per square meter. Material for the sides costs $12 per square meter. Find the cost of materials for the cheapest such container. (Round your answer to the nearest cent.) $
General
5 months ago
There are three power plants [X, Y, Z] that at any given time each one either generates electricity or idles. Event A is that plant X is always idles. Event B is that at least two plants generate electricity. P(A∩B) is 15% and probability of complement of AUB is 6%. All outcomes in event A are equally likely. Compute the Probability of the event B?
General
5 months ago
A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem. Forty-three students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help. Construct a 98% confidence interval for p1 - p2.
General
5 months ago
Find the extremum of f(x,y) subject to the given constraint, and state whether it is a maximum or a minimum. f ( x,y )=2 x^2 +3y^2 - 4 xy; x+ y =27 There is a minimum value of 162 located at (x, y)=( 15,12 ).
General
5 months ago
Kevin will start with the integers 1, 2, 3 and 4 each used exactly once and written in a row in any order. Then he will find the sum of the adjacent pairs of integers in each row to make a new row, until one integer is left. For example, if he starts with 3, 2, 1, 4, then he takes sums to get 5, 3, 5, followed by 8, 8, and he ends with the final sum 16. Including all of Kevin's possible starting arrangements of the integers 1, 2, 3 and 4, how many possible final sums are there?
General
5 months ago
A sample of 50 women is obtained, and their heights (in inches) and pulse rates (in beats per minute) are measured. The linear correlation coefficient is 0.291 and the equation of the regression line is ModifyingAbove y with caret equals 18.1 plus 0.930 x, where x represents height. The mean of the 50 heights is 63.1 in and the mean of the 50 pulse rates is 74.9 beats per minute. Find the best predicted pulse rate of a woman who is 73 in tall. Use a significance level of alpha equals 0.01.
General
5 months ago
Previous
1
2
3
4
5
6
7
8
9
10
11
12
13
Next