Thursday
May 23, 2013

# Posts by david

Total # Posts: 1436

math
It is estimated that one third of one per cent of the Earth’s surface receives more energy from the sun than the total projected needs for the year 2014. Assuming the Earth’s surface to be 1.97 x 108 square miles. Find the area in acres.

Math
a/(a+2)-1 = -(3a+2)/(a^2+4a+4)

math
It is estimated that one third of one per cent of the Earth’s surface receives more energy from the sun than the total projected needs for the year 2014. Assuming the Earth’s surface to be 1.97 x 108 square miles. Find the area in acres.

math
How many liters of gasoline are there in 165 gal (US) of a methanol-gasoline blend that is 11.0% by volume?

math
A chemical distillation tower, 110 m high is supported by cables of length L that reach from the top of the column to the ground at a distance D from the base of the tower. If D is 1/3 the length of a cable, find L and D.

Identify 5 characteristics common to plants and describe them?

math
Write a number which rounds to 66,000 when rounded to the nearest ten thousand

psychology
when kevin started his car in the parking lot, he also turned on the radio to his favorite station,as he entered the street onto the campus, he turned the radio up due to the increased background noise in the car. entering the highway, he again increased the volume until he co...

math
Alex spent 3/7 of his money. He gave 1/4 of the remainder to his sister. He had \$120 left. How much money did he have in the beginning?

physics
A roller coaster travels 196ft at an angle of 61.1° above horizantally. How far does it travel horizantally?

Pages: <<Prev | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | Next>>