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...

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...

help

2 , ... , 8 ... , 16 , 32 14, 28 , ... How do I figure out the blank spots? Kind regards

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?

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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...

I have this formula. true=base×(1+A)×(1+B−C)×(1−D)×(1+E−F)×(1−G) If the E increases its value, is there a way to know the adjusted true without having to calculate the...

Sum the series 9+99+999+9999+... to n terms (5marks)

Sum the series 9+99+999+9999+... to n terms (5marks)

There are 5 mathematics,4physics and 5 chemistry books. In how many ways can you arrange 4 mathematics, 3 physics and 4 chemistry books: {i}: If the books on the same subjects are arranged together,...

The polynomial function fff is defined as f(m) = (m^3-m^2-17m-15)(m+1).

1 meter square=100Rs. .500meter square= ? Please give me answer.

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(with all working shown please) 1) 3x3 - 96x + 4 2) x3 - 3x + 4

Sum the series 9+99+999+9999+...to n terms ( with the working well shown and its 5 marks)

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 11 m long bus goes past a 7m long bus stop in 3.2 s.At what speed was the bus travelling

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...

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