Math Answers

Find the inverse of matrix A given below using the formula A ^-1 =C^T/│A│

A="\\begin{vmatrix}\n -6 & -4 & -4 \\\\\n -1 & -4 & 6 \\\\\\\n-6 & 5 & -1\n\\end{vmatrix}"

Find the derivative of a function using Limit definition of derivative.

y = 4 √x

Find the inverse of matrix A given below using the formula A ^-1 =C^T/│A│

A="\\begin{vmatrix}\n -6 & -4 & -4 \\\\\n -1 & -4 & 6 \\\\\\\n-6 & 5 & -1\n\\end{vmatrix}"

Faculty salaries for a random sample of teacher in the public school system certain town recorded by dividing each salary 1,000 find the m a d and standard deviation of these salaries if the coded observation are 18,15,21,19,13,15,14,23,18 1nd 16pesos

Given functions 𝑓(𝑥) = 6 + √𝑥 − 4 and 𝑔(𝑥) =

10

𝑥−5

. 

Determine the domain and range of 𝑓(𝑥) and 𝑔(𝑥)

Show that ¬p→(q→r) and q→(p ∨ r) are logically equivalent

Given the functions 𝑔(𝑥) = 𝑥 − 5 and 𝑓(𝑥) = 𝑒

𝑥

Determine (𝑓 ∘ 𝑔)(5)

Suppose the mean number of days to germination of a variety of seeds is 34, with a standard deviation of 4.3 days. What is the probability that the mean germination time of a sample of 250 seeds will be within 0.5 days of the population mean?

for h(x) = 2/3 x -5 find the value of x for which h(x) = -7

An electronic company in Laguna manufactures resistors that have a mean resistance of 120 ohms and a standard deviation of 13 ohms. Find the probability that a random sample of 40 resistors will have an average resistance greater than 114 ohms.