Q and A for the topic: General

2x2 and how much?

Subscribers to the FAME magazine revealed the following preferences for three categories: Fashion 30, Athletics 24 and Business 15. Following these frequencies of observation, compute the chi-square test statistic. At the 0.05 level of significance, would you conclude they are similar?

A company that manufactures personal hygiene items purchases machinery for $220,000 that is considered to last 7 years; it is estimated that at the end of the period it will have a salvage value of $1000. Find: to. The depreciation rate. b. The book value at the end of the sixth year.

If you randomly selected one person from the 900 subjects in this study, what is the probability that the person exhibits the minimum BMI?

41/39 - 1/38

Log(45)

Find the derivatives for y=X+1/X-1

If the midpoint of point A on the x=3 line and point B on the y=-2 line is C(-2,0), what is the sum of the ordinate of point A and the abscissa of point B?

Determine the minimum degree that an algebraic equation can assume knowing that it admits 2 as a double root and -i as a triple root

The sum of two numbers is equal to 58 and the largest exceeds by at least 12. Find the two numbers

By direct proof, how can you prove that “The sum of any three consecutive even integers is always a multiple of 6”.

Mrs. Emily saved RM10000 in a bank. At the end of the eighth year, the amount of money accumulated amounted to RM19992.71. If the bank pays an annual interest of x% for a year compounded every 6 months. Calculate the value of x.

Let f(x) = x² − 1. Find the equation of the tangent line to the graph of f at the point x0 = 2.

is the x element (180,270), if tanx-3cotx=2, sinx ?

Desarrolla (2x)(3y + 2x)5

4. Show that if n is any integer, then n^2 3n 5 is an odd integer

Solve this mathematical problem if 3/5 of a roll of tape measures 2m. How long is the complete roll?

Solve this mathematical problem if 3/5 of a roll of tape measures 2m. How long is the complete roll? Draw the diagram

How long will it take for $900 to become $5000 at an annual rate of 11.15% compounded bimonthly?

Find the sum of the first 41 terms of the progression that begins: 32, 24, 16, …