Friday

February 27, 2015

February 27, 2015

Total # Posts: 12

**Prealgebra**

A teacher was comparing results on two sets of test scores for a group of eleven students. The mean score on the second test was seven points higher than that of the first test. The median grade on both the tests was the same. Determine two sets of test scores that would ...
*May 7, 2012*

**physics**

A block of mass 1.4kg is placed on a rough surface. the coefficient of friction between the surfaces is 0.58. A constance force of magnitude 10N, making an angle of 37 degrees with the horizontal is acting on the block. the block is given an initial velocity of 14 m/s towards ...
*September 10, 2011*

**physics**

An empty plastic box of mass 9 kg is found to accelerate up at the rate of g/3 m/sec2 when placed deep inside water. Mass of the sand that should be put inside the box so that it may accelerate down at the rate of g/4 m/sec2 is
*August 15, 2011*

**trignometry**

if alpha and beta are 2 different values of θ lying between 0 and 2π which satisfy the equation 6cosθ+8 sinθ=9 find the value of sin alpha + beta.i want the answer by quadratic method. can u help solving sum by that method
*June 11, 2011*

**trig**

thank you very much. can u solve the same by quadratic equation method
*June 11, 2011*

**trig**

if alpha and beta are 2 different values of θ lying between 0 and 2π which satisfy the equation 6cosθ+8 sinθ=9 find the value of sin alpha + beta
*June 11, 2011*

**Finance**

Ambrin Corp. expects to receive $2,000 per year for 10 years and $3,500 per year for the next 10 years. What is the present value of this 20 year cash flow. Use a 11% discount rate.
*February 2, 2009*

**Finance for decision makers**

Joe Nautilus has $120,000 and wants to retire. What return must his money earn so he may receive annual benefits of $20,000 for the next 14 years. a) 12% b)Between 12% and 13% c) 14% d) Greater than 15%
*February 1, 2009*

**Finance for decision makers**

In determining the future value of an annuity, the final payment is not compounded at all. a) True b) False
*February 1, 2009*

**finance for decision makers**

Thank you for your response. What is the answer. Can you explain me the problem?
*February 1, 2009*

**finance for decision makers**

After 20 years, 100 shares of stock originally purchased for $1000 was sold for $5,000. What was the yield on the investment? Choose the closest answer. a) 19% b) 5% c) 12.7% d) 8%
*February 1, 2009*

**math**

Why can not a line segment have more than one midpoint Because the definition of a line segment is a segment with two endpoints. If there are only two endpoints then there can only be one middle, hence one midpoint.
*March 8, 2007*

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