Find the probability of picking one of each four colours in the first tries without the marbles being replaced.

A bag contains 10 red marbles, 3 blue marbles, 7 white marbles, and 5 green marbles. find the probability of picking one of each four colours in the first tries without the marbles being replaced.

06/16/18

Peter and his four brothers combined all of their money to buy a video game. (rest will be in description box)

If 25% of the total money is Peter's, and $5.00 of the total money is Peter's, how much do all five brothers have combined? here are the choices for your answer. A. $1.25 B. $15.00 C. $20.00 D.... more

06/16/18

Which numbers are the same. 7.5 ,8.5, 10 or 12?

Two of these numbers are apparenlty equal and I'm really not sure

06/16/18

identify the vertical asymptotes​ of this function

Use analytical methods and/or a graphing utility to identify the vertical asymptotes (if any) of the following function.f left parenthesis x right parenthesis equals StartFraction x squared minus... more

06/16/18

Find the total number of working days

To complete a job alone,A needs 12 days,B needs 18 days and C needs 24 days.Now,the job is carried out by A first for several days,and then by B for several days,and finally completed by C.The... more

Ladder Problem

A ladder touches a bench and leans on a wall 4 m above ground. If the bench is 50cm high and the base is 1 m away from base of the ladder, what’s the distance from wall to base of the ladder?

06/16/18

hard problem

Hannah is looking for a job cutting hair. One option is self-employment at The Vindale Salon, where she would pay $430 per month to rent a station and keep all of her earnings. Another option is to... more

If you do this question "long hand" the old fashioned way, why doesn't interest get added in the last year?

The mall that you are managing will need new cooling towers, so you have created a reserve account. If you deposit $50,000 per year in an account that pays 3% interest, how much will you accumulate... more

Systems of linear and quadratic equations

solve the system. Enter the point that is furthest to the left first. y=-x2-x+19 y+80=x   I currently Have the first Part done which is (-11,-91)   I have the x coord of the second one which... more

06/15/18

How do I get both solutions to this question? I've attempted it many times and got confused on the steps to take for this problem

I need help finding the solution to this equation, each attempt I take at it doesn't come to the right solution  Two cars leave a city on the same road, one driving 13 13 mph faster than the... more

06/15/18

Using the values and variables given, write an inequality describing how many oil changes and tire changes Shen can do in at most 2 hours (120 mins)

At Shen's auto shop, it takes him 15 minutes to do an oil change and 20 minutes to do a tire change. Let x be the number of oil changes he does. Let y be the number of tire changes he does.

500,000 after taxes invested half in a 5 year CD paying 6.95% interest monthly and o in a money market that averages 3.5% interest continuously over 5 years.

$500,000 after taxes half in a 5 year CD paying 6.95% interest monthly and half in a money market that averages 3.5% interest continuously over 5 years. How much altogether at the end of 5 years?

06/14/18

A truck travels 6mph faster than a car. Let x represent the speed of the car.

Write an expression for the speed of the truck

Complete the equation of the line through ( 1 , 4 ) (1,4) ( 2 , 2 ) (2,2)

I need the answer to the question. I do not understand how to do it. Please help me

06/14/18

how does the sun cause wind

how does the sun cause wind????????????

06/14/18

Exponents and powers

Root y^3/x*root y/x

06/14/18

A factory can produce 45 containers in t minutes. How much can it produce in 5 minutes?

it is a math question pre algebra. I need help with this I’d it’s T minus 45 or whatever

06/14/18

A number is less than one-fourth the sum of eight times the number and four

i need the answer 

06/14/18

if the volume of the rectangular prism is represented by 6x2-2x+8 and the base area is 2x-4. which expression represents the height

Rhrhrueuahwwhjdjddjkkj c.f. tbhhvghshdhduejrjddhddjdd.

06/14/18

i would like clarification on this question, thanks!

this is math question which happened to arise in my fortnightly math quiz, was thinking it was 25 but Id like clarification. Thanks!  A convoy has to travel from P to Q, leaving at a certain time.... more

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