Mathematics Resources

got stuck on a vector problem i encountered and would greatly appreciate some help; decide what t is so that the angle between u = (-1,t) and v = (1,1) becomes pi/3. I know that cos(pi/3) = 1/2...

Dennis thought of a number.He adds 0.5 to that number and then multiplies the new result by 4 he then subtracts 2 and divides the number 2.His final answer is?

Daisy is cooking pasta.the recipe says she needs 480 grams of pasta for 4 people .how many kilogtam will she need for 14.

sui mother buys some share of A on day 0 On day 7 share price of A is \$44.6. If she sells all shares of A and buy 2000 share of B on day 7 should recieved \$7400. On day 12 share price of A is \$4.8...

A group of young men decided to raisebsh480,000 to a business to a start a businezs.Before the actual payment was made  four of the members pulled out and eacg of those remaining had to pay an...

Two brothers left home for a gym .one brother rode a bicycle at 25.2 km/h to reach the gym 5 min 50 sec later the other brother who took a taxi that drove at 37.8 km/hr .How far was the gym from their...

A ball was kicked into the air,and the balls height above the ground, in feet, T seconds after the balls was kicked was h(T)= -16T(2)+32T. How many seconds after it was kicked did the ball hit...

A can do a job in 15 minutes,B takes 20 minutes while C takes 30 minutes to do the same job. All three begin working together.A leaves after 2 minutes, leaving B and C to continue working together...