Due Sun 04/03/2022 11:59 Train A has a speed 30 miles per hour greater than that of train B. If train A travels 320 miles in the same times train B travels 200 miles, what are the speeds of the two trains? Train A was traveling at miles an hour where train B was traveling at miles per hour.

Q: 7. What is the volume of the cylinder? 16 cm a. 3,216.99 cm3 b. 1,072.33 cm³ C. 804.25 cm3 8 cm d.…

A: The cylinder has, base diameter = 8 cm  So, the base radius is, r = (8/2) cm = 4 cm  &, The…

Q: 15. The midpolnt of XY Is M(2, -7). One endpolnt Is Y(-6, -11). What are the coordinates of X? (-4,…

A: It is given that,M is the midpoint of XY is M(2,-7).One endpoint is Y(-6,-11). What is the…

Q: Use the graph of y = f(x), shown below, to answer the following questions.

A: Given the the graph of y=f(x) i.e.                        .

Q: In AABC, LB = 57° and BC= 19.3 cm. Find the length of side AB to the nearest tenth of a centimeter.…

A: The length of the side BC=19.3 cm. The angle ∠B=57∘ The objective is to find the length of the side…

Q: Instructions: Answer the probability questions based on the given scenario. Use the binomial…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: Major cities around the world compete with each other to attract new businesses. Some of the…

A: Givensample size(n)=61Mean(x)=3.72sample standard deviation(s)=0.65significance level(α)=0.01

Q: Question : Induction Given the Fibonacci sequence: f, = 0 f, = 1 fn = fm + fra Prove by induction…

A: To prove: f1+∑i=1nf2i-2=f2n-1We prove it by inductionBase Case:For n=1LHS= f1+∑i=11f2i-2…

Q: For each of the following sets of results, compute the appropriate test statistic, test the…

A: Since the population variance σ is not known for all the cases, one-sample t-test will be used. Test…

Q: Use a proof by contradiction to show that there is no rational number r for which pi3 +r+1= 0.

A:

Q: 1. Out of the three methods, "Naive Forecast", "Moving Average", and "Weighted Moving Average",…

A: Mean Absolute Error: Mean Absolute Error is a measure that gives the accuracy of the modal. Smaller…

Q: A piecewise function is defined as follows: y = -2x-1 -1<x<0 -(x-2)² +3 0<x<3 3 x = 3 1 3< x≤4…

A:

Q: - the following system of equations without graphing. -2x - 3y = 6 7x + 5y = 1

A: Answer -

Q: Use the data given to test the following hypotheses. Assume the data are normally distributed in the…

A: Given data: Significance level = 0.01

Q: A city's telephone book lists 100,000 people. If the telephone book is the frame for a study, how…

A: Systematic Sampling: In systematic sampling, every kth observation is included in a sample, where k…

Q: Friday's child Here is a pie chart of the birthday data from Exercise 2. What percent of the graph…

A: Solution

Q: Refer to the graph of y = f(x) below, and answer the following questions: (a) Find the domain of the…

A: Domain is the value of x for which function exist From the graph : Domain of function : [-3,5) Range…

Q: up and solve a proportion to answei. 8) If Sheila takes 1.5 hours to plant 28 tomato plants, how…

A:

Q: Please give me answer of this question immediately

A: Refer the explanation part for the solutionExplanation:Step 1:Existing records give sample…

Q: Three positive numbers are in the ratio 7:3:2. The sum of the smallest number to the largest number…

A: Given: Three positive numbers are in the ration 7:3:2 Let, the three positive numbers are 7x,  3x…

Q: 2. For the graph shown to the right, complete parts (a) through (d). (a) Give the vertex set. (b)…

A:

Q: I been stuck on this question for a while could you please help

A:

Q: Would the skewness K3 and kurtosis K4 of the 100 observations shown in the following histogram both…

A: From the given histogram of 100 observations, we have to determine whether the values of K3 and K4…

Q: Find the volume of the solid obtained by revolving y(x) = sin(8x) for 0 < x < n about the x-axis.…

A: yx=sin8x

Q: I need help to solve this question.

A: loga(mn2) = 20

Q: , 1) Let L : l2 → l2 be the left орeгatol --I- --. L(a1, a2, a3, ...) = (a2; a3; a4, ...) for all a…

A: Given L:l2→l2 be the left shift operator defined by  La1,a2,a3,....=a2,a3,a4,...∀a=a1,a2,a3,....∈l2…