Mathematics - 28 July 2007

Sightings to the same point at water level directly under the bridge are taken from each side of the 880-foot-long bridge.
The angle of depression on the left side under the bridge is 69.2 degrees; the angle of depression on the right side under the bridge is 65.5 degrees. How high is the bridge?

2007-07-28 02:47:10 · 1 answers · asked by journey 1

a) 12a^7/8 / 3a^1/4
b) (a^2/3 b^5/6)(a^1/2 b) / (ab)^1/3
c) (a^1/4 b^3)^1/2 / (a^1/3 b^1/4)^-5
d) (a^1/2 + a^1/2)(a^1/2 - a^1/2)

2007-07-28 02:41:23 · 3 answers · asked by Anonymous

first time, I was in San Francisco, temperature at 9:30 a.m was a cool 10 degrees celcius, what is its equivalent in fahrenheit?

An object has a speed of 10 m. Convert it to cm and mm.

An equation is made up entirely of 4 variables a, b, c and d. With respect to a, b is inversely proportional and c has an inverse power (2nd power) relationship. What is our equation?

Gilbert weighs his 10 action figures. 5 of them weighs 300gms., three weighs 100 grms., and 2 weighs 700 grms.. What is the total weight of all his action figures in kilograms?

A person sleeps at least 8 hours a day. Give the total in days of sleep for the entire month of December.

2007-07-28 01:44:28 · 1 answers · asked by neeltakhael 1

An ANPR system takes two images of each passing car -- one on the
car’s approach and one as it departs. Each image is 720 pixels wide
and 280 pixels high. Each pixel is stored using one byte. On average,
six cars pass per minute. If each uncompressed image is sent back to
the control centre for processing, which option is closest to the average
rate of data transfer?

A: 380 bps
B: 2460 bps
C: 340.48 kbps
D: 224.36 kbps
E: 250.75 Mbps
F: 55.46 kbps

2007-07-28 01:10:25 · 1 answers · asked by Anonymous