algebra

Similar Questions

1. math

   it is given that y is directly proportional to xn. write down the value of n when (i) y m square is the area of a square length x m . (ii) y cm cube is the volume of a cube of length x cm.

2. Algebra2

   Wind farms are a source of renewable energy found around the world. The power P (in kilowatts) generated by a wind turbine varies directly as the cube of the wind speed v (in meters per second). If a turbine generates 500kW in a

3. Physics

   A boat’s speed in still water is 1.95m/s . The boat is to travel directly across a river whose current has speed 1.20m/s . Determine the speed of the boat with respect to the shore. Despite, I did it like taking the sqrt

4. maths

   if x is directly proportional to 6 more than the cube of y and x is 28 when y is 2, what is the value of y when x is 140?

1. Mathematics

   Two boat leave a port at the same time.the first boat travel at 15km/hr on a bearing of 135°while the second travel at 20km/hr on a bearing 63°.if after 2hours ,the second boat is directly north of the first boat , calculate

2. Physics

   A boat, which can travel 2.30m/s in still water is in a stream with a current moving at 1.20m/s. if the boat is pointed directly across the stream, determine the velocity of the boat relative to the shore?

3. Physics

   A boat attempts to cross a 172 m wide river to reach a dock directly on the other side. The boat heads out directly across the river, perpendicular to the bank, with the motor propelling it at 16 m/s across the water, but he river

4. geometry

   Miguel is driving his motorboat across a river. The speed of the boat in still water is 10 mi/h. The river flows directly south at 3 mi/h. If Miguel heads directly west, what are the boat’s resultant speed and direction? Round

1. Mathematics

   Are the figures below similar? Why or why not?(Use the link below. You cannot directly copy then paste it to another tab, you need to delete the spaces in the link then enter into the website showing the picture to answer this

2. Inverse Variation

   Help me please.. Explain also :( 1. E is inversely proportional to Z and Z = 4 when E = 6. 2. P varies inversely as Q and Q = 2/3 when P = 1/2. 3.R is inversely proportional to the square of I and I = 25 when R = 100. 4. F varies

3. Physics

   I need help on this question: You are given information on the intensity level (which is a measure of the sound intensity) at a point and its distance from the sound source. To make use of this information, you will need to

4. Math

   y is directly proportional to the cube of x. If x is increased by 50% show that the percentage increase in y is 237.5%

Still need help? You can ask a new question.