02/23/18

to the nearest dollar, how much did the company add to the scholarship fund in the first year?

a company is starting a scholarship fund for it's employees. the company will add to the fund on a yearly basis. each year, it will increase the amount added to the fund the previous year by 10%.... more

02/22/18

A goat is tied to a rectangular shed on the side of the shed. The rope is 3 metres long. How much grass can the goat eat?

Shed is 3m x 4m ( rectangle ) and the chain is 3m long. Goat cannot be tied to the corner of the shed.

Geometry Help

An open box is formed from a rectangular piece of cardboard whose length is 8 cm more than its width by cutting squares whose sides are 2 cm in length from each corner and then folding up the... more

A long distance trucker traveled 108108 miles in one direction during a snow storm. The return trip in rainy weather was accomplished at double the speed and to

A long distance trucker traveled 108108 miles in one direction during a snow storm. The return trip in rainy weather was accomplished at double the speed and took 33 hours less time. Find the speed... more

07/19/16

A distance and time query

A freight train leaves the station at 9am. an amtrak train leaves the same station 6 hours later at 3pm. the freight train travels 70mph slower than the amtrak train. if the amtrak passes the... more

07/19/16

Mixture. A mechanic has 363 gallons of gasoline and 17 gallons of oil to make gas/oil mixtures. He wants one mixture to be 6 % oil and the other mixture to be 2

Mixture. A mechanic has 363 gallons of gasoline and 17 gallons of oil to make gas/oil mixtures. He wants one mixture to be 6 % oil and the other mixture to be 2.5 % oil. If he wants to use all of... more

07/19/16

Having trouble graphing a log with absolute value of x .

y= log2|X|    I really need to be guided through this with details. The first I did was attempt to do a table of values for y=log2(X) and y=log2(-x)   Both tables are giving the same set pf... more

07/19/16

Word Problem

Yvonne put $3000 in a savings account for 2 years. At the end of that time the account had earned $330in interest. What annual interest rate did the account earn?[A] 11.5% [B] 10.5% [C] 5.5% [D]... more

07/19/16

The formula for that area of a triangle is A = \frac{1}{2}bhA=12bh. If the base is 5\sqrt 3 53 and the height is \sqrt {18} 18, what is the area of this triangl

The formula for that area of a triangle is A = \frac{1}{2}bhA=12bh. If the base is 5\sqrt 3 53 and the height is \sqrt {18} 18, what is the area of this triangle in radical form?

07/19/16

Find the area of a rectangular sandbox if the length is \sqrt {35} 35 ft. and the width is \sqrt {16} 16 ft. Write the answer in simplest radical form.

 Find the area of a rectangular sandbox if the length is \sqrt {35} 35 ft. and the width is \sqrt {16} 16 ft. Write the answer in simplest radical form.

please help me solve this

h) Suppose Marck (M) and Erick (E) are playing a tennis tournament such that the first person to win two games in a row or who wins a total of three games wins the tournament. Find the number of... more

07/14/16

function question

Is the sum of two functions always an even function? Explain. 

2x2 system of equations?

attempted this problem, I keep getting different results. not sure which right. 3 x - 9 y equals 12 2 x - 6 y equals 8    

how to do this math problem? help me!

the question is, find the equation of the line that passes through each pair of points. Write your answers in slope-intercept form, if possible.   (-2,-4), (1,-1) please help me :(

06/30/16

how long to fill a propane tank to 1/4 full using volume of a solid of rotation

I am having a huge problem with this homework problem. I have tried it a couple different ways but nothing I get is anything like a right answer. heres the problem,   A propane tank is in the... more

i am having a problem solving the problems like the one listed below and i really need help

I am going crazy trying to figure out this problem could someone please help me?                       subtract 2 16/21 - -8  5/21   reduced if possible.

06/25/16

A object is being rotated in a if the acceleration of the centrifuge is 4g what is the velocity of the object and the time period of its motion

An object is being rotated in a centrifuge of radius 4m if the acceleration of the centrifuge is 4g what is the velocity of the object and the time period of its motion. 

06/24/16

Ferris Wheel #1) As a Ferris wheel turns, the distance a rider is above the ground varies sinusoidally with time.

Ferris Wheel #1) As a Ferris wheel turns, the distance a rider is above the ground varies sinusoidal with time. When the Ferris wheel begins turning, your seat location is as shown below. It takes... more

06/22/16

Gas money paye

Sacha went to the gas station with 1/4 tank of gas and filled her tank up full for 60$. On ther way back home the tank was empty so she filled it up to 2/3 for 50$. there was 5 people in the car... more

06/22/16

word problem

Lisa plans to use 20 tiles for a border around a square picture frame. She wants a two-color symmetrical design that has a 2 to 3 ratio of white to gray tiles.What could her design look like ?

How many engines should be shipped to each plant to minimize shipping? costs, subject to the given? constraints?

A manufacturing company receives orders for engines from two assembly plants. Plant I needs at least 4545 ?engines, and plant II needs at least 3232 engines. The company can send at most 140140... more

what is the probability that at least one scored 650 or better?

math sat scores are normally distributed with mean 500 and standard deviation of 100 ten students are selected at random what is the probability that at least one scored 650 or better?   please... more

A multiple choice quiz has 10 questions each with four alternatives.

A multiple choice quiz has 10 questions each with four alternatives. Apassing score is 6 or more correct. If a student attempts to guess the correct answer to eachquestion what is the probability... more

06/18/16

a brother and sister split the $840,500 from the sale of their parents house. According to the will, the sister is supposed to get 5% more for managing the hou

a brother and sister split the $840,500 from the sale of their parents house. According to the will, the sister is supposed to get 5% more for managing the house.  How much does she get?   The... more

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