three boxes contain black and white marbles. one box has all blacked marbles,one has all white marbles,and one has a mixture of black and white marbles. All three boxes are mislabeled. By selecting...

three boxes contain black and white marbles. one box has all blacked marbles,one has all white marbles,and one has a mixture of black and white marbles. All three boxes are mislabeled. By selecting...

Please show me how to solve

the larger of two numbers is 12 less than five times the smaller number. the sum of the two numbers is 90. find the two numbers.

Suppose that the weight (in pounds) of an airplane is a linear function of the total amount of fuel (in gallons) in its tank. When graphed, the function gives a line with a slope of 5.5...

if a train runs at 40 kmph it reaches its destination late by 11 minutes but if it runs at 50 kmph it is late by 5 minutes only the correct time for the train to complete its journey is please...

the measure of angle A is 12 degrees more than three times the measure of angle B. If A and B are supplementary angles, find the measure of angle A.

How much pure HCL acid must be added to 2 liters of a solution that is 15% HCL acid to make it 20% HCL acid?

This is third time i asking same question none explain me and my doubt A train running with 7/11 of its own speed reached a place in 22 hours how much time could be saved if the train...

Anna has a rectangular garden whose length is 6 meters longer than its width. The perimeter of the garden is 28 meters. Find the dimentions of the garden.

Determine whether the given pair of lines is parallel , perpendicular, or neither y = 2x + 4 4x + 2y = 1

Find the equation of the line with slope of 2 and passing through the point ( - 3, 5 )

Starting from his house one day a student walks at a speed of 2and 1/2 kmph and reaches his school 6 minutes late next day he increases his speed by 1 kmph and reaches the school 6 minutes early take...

the population of a city increased from 200,000 in 2002 to 250,000 in 2012. if hte population continues to increase exponetially att eh same rate, how long will it take for the population to be 325,000...

A train running with 7/11 of its own speed reached a place in 22 hours how much time could be saved if the train would have run at its own speed please explain me

A train running with 7/11 of its own speed reached a place in 22 hours how much time could be saved if the train would have run at its own speed now let train speed be x ...

A car travelling with 5/7 of its actual speed covers 42 km in 1 hr 40 min 48 sec find actual speed car i know the solution what i need to find out that how to convert...

A backyard has a rectangular shape whose length is 4 meters longer than its width. The perimeter of the backyard is 32 meters. Find the dimensions of the garden

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A rocket is launched at t = 0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t) = -4.9t^2 + 292 t + 94. At what time does the rocket reach its...

I'm not good at word problems. Help me, please.