 # College math questions and answers

Recent questions in Post Secondary arenceabigns 2020-12-16 Answered

### $\left(2y+xy\right)dx+2xdy=0$ geduiwelh 2020-12-15 Answered

### Find the solution of the following differential equation by Laplace transforms:${y}^{‴}-5y"+7{y}^{\prime }-3y=20\mathrm{sin}\left(t\right),y\left(0\right)={y}^{\prime }\left(0\right)=0,y"\left(0\right)=-2$ nicekikah 2020-12-15 Answered

### How many subgroups of order 4 does ${D}_{4}$ have? Rui Baldwin 2020-12-15 Answered

### Let F be i field with subfields K,L. Prove that there is a largest subfield of F contained in both K and L, and a smallest subfield of containung both K and L. Tazmin Horton 2020-12-15 Answered

### You are given the sample mean and the population standard deviation. Use this information to construct the​ 90% and​ 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. From a random sample of 58 ​dates, the mean record high daily temperature in a certain city has a mean of ${83.43}^{\circ }F$. Assume the population standard deviation is ${14.02}^{\circ }F$. $90\mathrm{%}=$ $95\mathrm{%}=$ Which interval is wider? Armorikam 2020-12-15 Answered

### Borrowing money To pay for college, a student borrows $5000 interest-free from his father. If he pays his father back at the rate of$200 per month, how much will he still owe after 12 months? Sinead Mcgee 2020-12-15 Answered

### Twenty-six students in a college algebra class took a final exam on which the passing score was 70. The mean score of those who passed was 78, and the mean score of those who failed was 26. The mean of all scores was 72. How many students failed the exam? ankarskogC 2020-12-15 Answered

### A population of values has a normal distribution with $\mu =26.8$ and $\sigma =33.8$. You intend to draw a random sample of size $n=89$. Find the probability that a sample of size $n=89$ is randomly selected with a mean between 17.1 and 25. $P\left(17.1? Write your answers as numbers accurate to 4 decimal places. Jerold 2020-12-15 Answered

### Data that can be sorted into distinct groups is called quantitative 1. True 2.False Aneeka Hunt 2020-12-15 Answered

### determine the Laplace transform of f. $f\left(t\right)=3t{e}^{-t}$ EunoR 2020-12-15 Answered

### Interpret your conclusion in the context of the application. Tammy Todd 2020-12-15 Answered

### You randomly select and weigh 27 samples of an allergy medication. The sample standard deviation is 1.22 milligrams. Assuming the weights are normally distributed, construct $90\mathrm{%}$ confidence intervals for the population variance and standard deviation. Please interpret your result. Haven 2020-12-15 Answered

### Prove whether is a linear transformation. Prove whether is a linear transformation. Which one equivalent to the linear transformation babeeb0oL 2020-12-15 Answered

### Find and describe an example of a matrix with each of the following properties. Briefly describe why the desired property is in the matrix you picked. If no such matrix exists, explain using a theorem studied. (a) A square matrix representing an injective but not a surjective transformation. Tolnaio 2020-12-15 Answered

### Make and solve the given equation Clifland 2020-12-15 Answered

### The confidence interval for the mean population is $2.5121<\mu <2.6879.$ Cheyanne Leigh 2020-12-15 Answered

### Whether the provided P-values are statistically significant or not. banganX 2020-12-15 Answered

### Solve. $\int \frac{78x}{25-12x+4{x}^{2}}$ Elleanor Mckenzie 2020-12-15 Answered

### In each of the following, identify the variables are categorical nominal, or categorical ordinal, or numerical discrete or numerical continuous. 1.Political affiliation of a voter Ayaana Buck 2020-12-15 Answered

### The school cafeteria collects data on students’ juice box selections. What type of data are these? 1.categorical, nominal data 2.numerical, discrete data 3.categorical, ordinal data 4.numerical, continuous data

College Math problems only seem challenging at first, yet what they truly represent is not much harder than high school Math with some equations that are closer to the engineering approach. Approaching your college math helper is essential because your questions may just have to be worded differently. Regardless if you are dealing with equations or need answers to your college math questions, taking a look at college math equations will let you see things differently. Approach college math answers step-by-step. The majority of college math problems with answers represented here will be similar to what you already have.