From Questions to Solutions

Find the dot product of [tex]F = 2i + 4j[/tex] and [tex]S = i + 5j[/tex]. A. 4 B. 12 C. 13 D. 46

Determine the total heat evolved in Joules when 19.9 mL of NaOH and 20.2 mL of HCl are mixed. Initially, each solution had a temperature of 28.4 degrees Celsius. The

Marcella divided 36.6 gallons of paint into 12 containers. Using this rate, how much paint would there be in 5 of Marcella's containers?

A 1800-kg car is traveling with a speed of 14.0 m/s. What is the magnitude of the horizontal net force required to bring the car to a halt in a

You have 15 yards of ribbon for your gift boxes. Each box gets the same amount of ribbon. How much ribbon will each of your 20 gift boxes get?

Peggy has three ribbons. The blue ribbon measures 96 inches, the green one 84 inches, and the yellow one 120 inches. She wants to cut them into shorter pieces all

Carbon tetrachloride, CCl₄, was once used as a dry cleaning solvent but is no longer used because it is carcinogenic. At 57.8 °C, the vapor pressure of CCl₄ is 54.0

Use the sign test at a 0.05 level of significance to test the null hypothesis [tex]\mu = 0.55[/tex] against the alternative hypothesis [tex]\mu \neq 0.55[/tex]. Given a random sample of

Which of these sets of crimes speaks most closely to the way Tennessee laws are structured in terms of "escalating offenses"? 1) 1st Degree, 2nd Degree, 3rd Degree 2) Aggravated,

At 293 K, methanol has a vapor pressure of 97.7 Torr and ethanol has a vapor pressure of 44.6 Torr. What would be the vapor pressure of a mixture of

A park ranger is watching a bear from the top of a 14 m tower. If the angle of depression to the bear is 62°, what is the distance from

To estimate [tex]\mu[/tex], the mean salary of full professors at American colleges and universities, you obtain the salaries of a random sample of 400 full professors. The sample mean is

What is [tex]-9.2(8x - 4) + 0.7(2 + 6.3x)[/tex] simplified? A. [tex]-69.19x - 32.39[/tex] B. [tex]-69.19x + 38.2[/tex] C. [tex]-72.2x + 41.21[/tex] D. [tex]75x - 338.2[/tex]

The high temperatures (in degrees Fahrenheit) of a random sample of 5 small towns are: 99.6, 99.7, 97.9, 98.6, and 97.7. Assume high temperatures are normally distributed. Based on this

You are given the balanced chemical equation below. If you start this chemical reaction with 0.53 moles of CH4 and 1.5 moles of O2, how many grams of CO2 are