Sunday
May 19, 2013

# Posts by sally

Total # Posts: 808

physics
A small mailbag is released from a helicopter that is descending steadily at 2.20 m/s. How far is it below the helicopter? D= What if the helicopter is rising steadily at 2.20m/s? D=

english
Need help with writing an allegorical timeline of high school life (4 yrs.)

math
1/2t-1/6(4-10)<0

math
1/2-m/22>-1/11

math
A woman has a total of \$9,000 to invest. She invests part of the money in an account that pays 5% per year and the rest in an account that pays 12% per year. If the interest earned in the first year is \$730, how much did she invest in each account?

Physics
A hiker, who weighs 990 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3550 N, and rests on two concrete supports, one at each end. He stops one-fifth of the way along the bridge. What is the magnitude of the force that a...

math
...A woman has a total of \$9,000 to invest. She invests part of the money in an account that pays 5% per year and the rest in an account that pays 12% per year. If the interest earned in the first year is \$730, how much did she invest in each account?

algebra
The third angle in an isosceles triangle is 56° more than twice as large as each of the two base angles. Find the measure of each angle.

intermediate algebra
A triangle is such that the largest angle is 11 times the smallest angle. The third angle is 27° less than the largest angle. Find the measure of each angle. (Enter solutions from smallest to largest.)

physics
A train 400 m long is moving on a straight track with a speed of 80.1 km/h. The engineer applies the brakes at a crossing, and later the last car passes the crossing with a speed of 16.9 km/h. Assuming constant acceleration, determine how long the train blocked the crossing. D...

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