04/26/15

a man rides in a country at a uniform rate of 30 miles per hour.he rest 2 hours and then ride back at 20 miles per hour. he is gone 5 hours. how far did he go?
it is uniform motion word problem.      
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04/26/15

Word problem
Jeff says , give me 8 of your video games and I'll have twice as many as you. No give you give me 8 and well have same number. What is starting number each have?i
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04/26/15

Geometry Surface Area Problem.
Soda cans are made out of aluminum and are shaped like a cylinder. The formula for the surface area of a cylinder can be used to find the amount of aluminum, in square centimeters, that is needed... more
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04/26/15

John and brown start from two points which are 375 miles apart and travel each other later travell twice as first meet in five hours find the rate per hour
it is a uniform motion word problem.      
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04/26/15

a wooden plank is placed 50 CM from and apartment building touches the an apartment window 1.2 M (120) from the ground. what is the length of the plank?
that is the question in the summary above    
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04/25/15

what is the equation of a line that is parallel to y=-6+2 and that has a y- intercept of 6
I know the format of y=m+b but I don't get the question because it doesn't tell me the slope
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04/25/15

percentage of data
A set of data with unknown distribution has a mean of 55 ad a standard deviation of 10.  At least what percentage of data is between 40 and 70
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04/25/15

investment
Graduating senior may earn $45,000. If the annual rate of inflation is 2 percent, what must these graduates earn after 20 years to maintain their current purchasing power?
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04/25/15

the function h(t)=-5t(squared) +34t +7. A)roots? 0=-5t(squared) +34t +7? B) how long does it take for the ball to hit the ground?
A baseball batter hits a line drive. The height, h, in metres ,of the baseball after t seconds is approximately modelled by the function h(t)=-5t(squared) +34t +7. A) what are the roots modelled by... more
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04/25/15

Simple Interest
 A building society offers a rate of 11% per annum simple interest. Beth- Ann deposited $24,000 in the society for 15 months. (i) Calculate the amount of money due to her at the end of this... more
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04/23/15

How long does it take for an account containing $5,000 to be worth $8,000 if the money is invested at 12% compounded annually?
 Need to know for my math course
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04/23/15

h= -16t^2+100t+84
Benjamin threw a rock straight up from a cliff that was 84 ft above the water. If the height of the rock h, in feet, after t seconds is given by the equation h= -16t^2+100t+84, how long will it... more
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04/23/15

What is the scale factor of 3 inches over 25 inches
I'm need help answering my questions for my test im really good at all my other subjects but not math will u Plz help me 
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04/23/15

You deposit $1500 in an account that pays 5% interest yearly. How much money do you have after 6 years?
 I do not understand how to do this problem, it is very hard. I don't know how to even start it
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04/22/15

#10 step by step
Shaggy earned $8.25 per hour plus an additional $75 in tips waiting tables on Saturday. He earned at least $200 in all. Write an inequality and find the minimum number of hours, to the nearest... more
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04/22/15

kala runs each lap in 8 mins she will run more than 12 laps today what are the possible numbers of minutes she will run today
use t for the number of minutes she will run today write answer as inequality          
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04/22/15

mean and expectation
when deciding which tire bill narrowed down to 20 inch, 22 inch, 24 inch, or 28 inch wheel. The prob of each being .35, .3, .15, .2 respectively   
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04/22/15

After an 6% increase in your wages, you receive $.57 more per hour. About how much did you receive per hour before the increase in your wages?
I do not understand this question because i have not taken algebra for years.
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04/22/15

A fair, 6-sided die is rolled 2 times. Let X denote the value of the first outcome and Y denote the value of the second outcome.
What is Pr(X+Y≤4)?     Once again, I would really appreciate some explanation on how you got the answer. The more details the better! Thanks!
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04/22/15

Surcharge and base price of additional price
united express a national delivery service, charges a base price for overnight delivery pakages weighing 1 pound or less and a surcharge for each additional pound. a customer is billed $33.00 for... more
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04/22/15

How many different meals can be ordered?
Ron must choose one entree, 3 vegetables, and one dessert. There are 5 entrees, 10 vegetables, and 3 desserts to choose from. How many different meals can Ron order?
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04/22/15

SAT WORD PROBLEM PREP
Megan's summer job pays either $8.55 per hour or 20% commission on what she sells. Megan works for 10 hours and sells $450 worth of stuff on day one. On day two, she works 7 hours and sells $375... more
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04/21/15

every morning for breakfast Mikia drinks cL of orange juice. How many mL of orange juice does she drink each day?
This is a math problem for my school.
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04/21/15

Algebra word problem
Dots sells T-shirts ($24) and shorts ($26). In April, total sales were $10,028. People bought 8 times as many T-shirts as shorts. How many T-shirts and shorts did Dots sell?
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04/21/15

Solve the following equation
solve the equation x^6-2x^3-3=0
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