united states

The circle graph represents the percentage of private schools in the United States, which collect annual tuition fee. Find the fraction of the schools with an annual tuition fee of $1501 to $2500. => 3 20 or 13 20 or 1 20 or 9 20..

There were 12,000 injuries caused by fire works in the United States in the year 1991. A circle graph was plotted based on the age of the injured and the percent injured in that age group. Find the number of people injured in the age group (5 - 14) years. => 5,400 or 6,000 or 4,..

The postal rates in United States have increased by 10 cents in 10 years from 1970. If the rate per ounce in year 1980 was 30 cents, then write the equation of the model in point-slope form. At this rate predict the postal rates in the year 2010. [Let r represent the postal rate..

The United States postage rates per oz have been increasing by 10 cents in 10 years from 1970. The price of letter per 1 oz in year 1980 was 30 cents. Write a linear model for the letter rates r over the years t . => r = t + 20 or r = - t - 20 or r = t - 20 or r = - t + 20..

The most common unit for mass is expressed in grams (g) or kilogram (kg) (1 kg = 10 3 g). In chemical measurement, IUPAC prescribes that the mass of a gas (m) be expressed in terms of the number of moles (n). The number of moles can be obtained from the mass of the gas using the relation..

The table shows the population in different regions of the United States in two different years. Find the percent of increase in the population of the Mid West in 2000. 1990 2000 North East (mil) 50 54 Mid West 60 65 South 85 100 West 52 63 => 4.34% or 6.34% or 7% or 8.34%..

The intensity of an earthquake is recorded on the 'Richter Scale', using a seismograph. Which bar graph represents the intensity of the earthquakes in various locations of the United States as given in the table? Area Reading on the Richter scale William sound 8 Andrea of Island..

Assumptions stated by Classius - All the molecules of a gas are identical with respect to their shape and mass. The molecules of different gases are different. The gas molecules behave as rigid, elastic and smooth spheres. The size of gas molecules is very less when compared to the interm..

Types of Unit Cells - There are three types of non-primitive unit cells. Taking the example of a cubic unit cell we can see that there are three types. They are: fig 2.2 - Types of unit ce..

In the SI system of units, under NTP conditions, P = 101325 N m - 2 T = 273.15 K V = 22.414x10 - 3 m 3 Therefore,..