From Questions to Solutions

In March of 1999, Bertrand Piccard and Brian Jones attempted to become the first people to fly around the world in a hot air balloon. Based on an average speed

The SAT math scores for applicants to a particular engineering school are normally distributed with a mean of 680 and a standard deviation of 35. Suppose that only applicants with

A 605 μF capacitor is discharged through a resistor, and its potential difference decreases from an initial value of 96.7 V to 19.9 V in 4.13 seconds. Find the resistance

The specific heat of gold is 0.129 J/g·°C. What is the molar heat capacity of gold? A. 0.0394 J/mol·°C B. 0.129 J/mol·°C C. 39.4 kJ/mol·°C D. 25.4 J/mol·°C E. 197

How many moles of silicon dioxide are present in 2.55 grams of this compound? How many grams of silicon dioxide are present in 1.74 moles of this compound? A. 0.0452

the half-life of a radioactive substance is 38.2 years. a. find the exponential decay model for this substance.

Bo, Mike, and Cat are playing a game involving decimals in math class. So far, they have scored 100.2 points combined. Bo scored 38.65 points, and Mike scored 29 points.

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]

Darrell finished running a 400m race in 44.7 seconds. Zack ran the same 400m race 5.3 seconds faster. How fast did Zack run the race? A. 39.4 seconds B. 49.4

A car accelerated from 88 feet per second (fps) to 220 fps in exactly 3 seconds. Assuming the acceleration was constant, what was the car's acceleration, in feet per second

Estimate the value of: \[ 39.3 \times 2.1 \div 18.5 \]

Suppose the ages of the residents of Georgetown are normally distributed with a mean of 38.2 years and a standard deviation of 8.6 years. If a random sample of 30

A 105-turn circular coil with a radius of 2.71 cm is immersed in a uniform magnetic field perpendicular to the plane of the coil. During 0.125 s, the magnetic field

How much energy is required to raise the temperature of 10.7 grams of gaseous helium from 22.1 °C to 39.4 °C ?

Overweight, a condition that is less serious than obesity, is defined as having a BMI between: A. 25 and 29.9 B. 18.5 and 25.9 C. 30 and 35.9 D. 30