02/05/15

How many paper weights can she buy?

Michelle has $100. She wants to purchase paper pins($20) and file covers($20) and paper weights. Each paper weight costs $10.

02/05/15

Ratio Problem

 A popular paint supplier mixes three colors of paint, cranberry, tangerine and pumpkin, in the ratio of 3:5:7. Cranberry-colored paint cost $8 dollars per quart, tangerine-colored paint cost $12... more

02/05/15

Normal Distribution Curve Question

If a normal distribution curve has a mean of 20.3 and a standard deviation of 4.3, how would you find the points for the first and third quartiles?

WRITE AN INEQUALITY

Dolores and four friends went to a buffet dinner. The total cost was at most $130 including the $20 tip they left. How much did each pay for the buffet? Write an inequality to represent each... more

02/05/15

In a normal distriution above which z score do approximately 63 percent of the data lie?

At first I was thinking 1.79

02/05/15

The fast printer could finish the job in 30 minutes while the slow printer took 90 minutes. How long if they worked together?

Please help. At least how to set up this question 

02/05/15

Express this function as an equation, table, and graph.

If a person drives 400 miles at an average of 50 miles per hour, then their distance d from the destination (in miles) is a function of the number of hours h driven.Express this function as an... more

02/05/15

a physician wants one third of a piece of tape that is 15 5/6 inches long. how many inches does the physician want?

It's just  a question and i want the answer.

02/04/15

How many grams?

the half life of radium is 1690 years. If 50 grams are present now, how much will be present in 270 years?

02/04/15

If f(x) = 3x + 2, find f(f–1(14)).

If f(x) = 3x + 2, find f(f–1(14)).     Thank you for your help 

02/04/15

if the central angle for the section of the pie chart measures 108% equals 45 people how many people were there

I dont know how to do this problem for school and our teacher didnt explain it

A Math questions about radicals

a object is moving at (3+sqrt(3))per second. How long does it take to go 20 feet   if you could show me how to do it that would be great (as in typing it out)       -bob

find the angle between vectors u and v. u= <-1,0> v= <0,2>.

Why is it that θ will be 90 and not 270

02/04/15

please help

A photo-processing kiosk charges $0.30 for each print that it produces. The cost of producing the print is $0.09 per print. The overhead cost is $45.00 per day to rent and staff the kiosk. How many... more

The Poe family bought a house for $240,000. If the value of the house increases at a rate of 4% per year, about how much will the house be worth in 20 years??

The Poe family bought a house for $240,000. If the value of the house increases at a rate of 4% per year, about how much will the house be worth in 20 years??    

02/04/15

Lump Sum and Payment Savings 16

If you have $1900 in an account at the start and wish to add $200 to it monthly, how much will you have in 40 years if you assume an 4.25% consistent growth rate that is compounded monthly?Please... more

02/03/15

Solve 1/R=1/R1+R2 for R. Your result should not contain any complex fractions.

The R's are suppose to have little numbers next to them R1, same with R2

The sum of consecutive integers 1,2,3,..., n is given by the formula 1/2n(n+1)

The sum of consecutive integers 1,2,3,..., n is given by the formula 1/2n(n+1). HOw many consecutive integers, starting with 1, must be added to get a sum of 1176?    a) definition of... more

what is y=-2x+1

what is y=-2x+1 

02/03/15

make a linear equation

A community bird-watching society makes and sells simple bird feeders to raise money for its conservation activities. They sell 32 per week at a price of $10 each. They are considering raising the... more

The sum of the measure of the angles of any triangle is 180 degrees.

In triangle ABC, angles A and B have the same measure, while the measure of angle C is 84 degrees larger than each of A and B. What are the measures of the three angles? A) Definition of... more

02/03/15

Writing in Mathematics

a public works department is to construct a new road between towns A and B. Town A lies on an abandoned road running east-west. Town B lies 40 miles east of Town A and 20 miles north of the road.... more

02/03/15

there are 5 places to sit at a round table. how many ways can 5 people be seated at the table

please just answer the question already please and thanks

02/03/15

two difficult questions to answer

the elevation of 27 football stadiums range from 15 ft to 5350 ft. the elevation of the highest stadium is 261 ft higher than seven times the elevation of Rays favorite team stadium. What is the... more

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