Tutors Answer Your Questions about Proportions (FREE)
Question 77375: I can't figure out this problem which is part of the Pythagarean Therum worksheet:
From Canoeville it is 2.4 kilometers to White Beach and 3.0 kilometers to the Lodge. How far is it from White Beach across the lake to the Lodge?
Click here to see answer by checkley75(3666)  |
Question 78054: I'm trying to find the equation for vibration. On my last test, the question was the frequency is equal to the square root of t and inversely propotional to the Length. (or somthing similiar to that). Do you know what the equation would have looked like in order for me to solve the problem? I hope I gave you enough information. I am in Intermediate Algebra.
Click here to see answer by jim_thompson5910(35256) |
Question 78342: Please help me with this story problem.
A post office sells first-class stamps and postcard stamps. For the year, the post office sold 7 first -class stamps for every 2 postcard stamps sold.
a. the post office sold 46, 260 stamps for the year. How many of them were first-class stamps? how many were postcard stamps?
Click here to see answer by bucky(2189) |
Question 78583: This is the question: A plane flies 720 mi against a steady 30-mi/h headwind
and then returns to the same point with the wind.
If the entire trip takes 10 hrs., what is the plane's speed in the air?
Please help. Thank you.
Click here to see answer by checkley75(3666) |
Question 71774: Three individuals form a partnership and agree to divide the profits equally. X invests $9,000, Y invests $7,000, Z invests $4,000. If the profits are $4,800, how much less does X receive than if the profits were divided in proportion to the amount invested?
Click here to see answer by Smirnov(15) |
Question 80782: Sally bought three chocolate bars and a pack of gum and paid $1.75. Jake bought two chocolate bars and four packs of gum and paid $2.00. Find the cost of a chocolate bar and the cost of a pack of gum.
Click here to see answer by vertciel(183) |
Question 80799: Sally bought three chocolate bars and a pack of gum and paid $1.75. Jake bought two chocolate bars and four packs of gum and paid $2.00. Find the cost of a chocolate bar and the cost of a pack of gum.: Sally bought three chocolate bars and a pack of gum and paid $1.75. Jake bought two chocolate bars and four packs of gum and paid $2.00. Find the cost of a chocolate bar and the cost of a pack of gum.
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 81480: Shelia leaves on a long trip traveling 30mph. Allison leaves the same location traveling to the the same spot 2 hours later. She drives at a steady rate of 60mph. How long after Allison leaves will she catch up to Shelia
Click here to see answer by doctor_who(15) |
Question 81596: the instructor of an introductory computer course wants to make a wall chart of a computer desktop for her students. to make it as realistic as possible, she would like the desktop icons to be proportional to the size of her 6ft by 6ft chart. if the icons on her 15 inch by 15 inch pc screen are 3/8 inch by 3/8 inch, how large should they be on her wall chart.
Click here to see answer by bucky(2189) |
Question 81431: Shelia leaves on a long trip driving at a steady rate of 30mph. Her sister Allison leaves from the same location traveling to the same destination 2 hours later. She drives at a steady rate of 60mph. How long after Allison leaves home does she catch up to Shelia?
Click here to see answer by ankor@dixie-net.com(22740) |
Question 70413: Suppose that you roll two number cubes.Use a tree diagram to find the probability of the event.
S I think that if you roll two dice then it will be a one then a two so from the one you have to put six tree branches then from the two you have to put six tree branches to.so eventually you count them all up and it comes to 12.so I just get really confused on how to make a probability like a fraction.Because I know that you have to do somthing with favarable outcomes.Please and thank you.
PROBABILITY
Click here to see answer by 303795(602) |
Question 83016: The electrical resistance (R) of a wire varies directly as its length(L) and inversely as the square of its diameter. A wire 20 meters long and 0.6 centimeters in diameter made from a certain alloy has a resistance of 36 ohms. What is the resistance of a piece of wire 60 meters long and 1.2 centimeters in diameter made from the same material? The answer is multiple choice.
a. 24 ohms
b. 27 ohms
c. 30 ohms
d. 48 ohms
Click here to see answer by funmath(2933) |
Question 83017: The period of a simple pendulum is directly proportional to the square root of its length. If a pendulum has a length of 6 feet and a period of 2 seconds, to what length should it be shorten to achieve a 1 second period? The answer is multiple choice.
a. 1 foot
b. 1.5 feet
c. 2 feet
d. 3 feet
Click here to see answer by funmath(2933) |
Question 83017: The period of a simple pendulum is directly proportional to the square root of its length. If a pendulum has a length of 6 feet and a period of 2 seconds, to what length should it be shorten to achieve a 1 second period? The answer is multiple choice.
a. 1 foot
b. 1.5 feet
c. 2 feet
d. 3 feet
Click here to see answer by josmiceli(19441)  |
Question 84944: Will you please hel pme with this problem? I tried really hard on it ans it was counted wrong. Please help me find out what I did wrong and where I messed up!
Janine has 4 blouses, and 5 scarves that match. choose one clouse and one scarf
I put the answer as 10 combinations total. but I dont know why it was counted wrong!
Click here to see answer by checkley75(3666) |
Question 84943: Will you please hel pme with this problem? I tried really hard on it ans it was counted wrong. Please help me find out what I did wrong and where I messed up!
Janine has 4 blouses, and 5 scarves that match. choose one clouse and one scarf
I put the answer as 10 combinations total. but I dont know why it was counted wrong!
Click here to see answer by stanbon(75887) |
Question 84862: Would you please help me with this problem? I thought I knew how to use proportion because I got one of he quiestions right ( A menu has 8 Appetizers and 6 Entrees choose 1 appertizer and 1 entree I put down the answer as 24 combinations, but I dont remember how I worked it.) because 8*6 isnt 24 niether is 7*5 or 8*6-2. Please help me
Click here to see answer by checkley75(3666) |
Question 76947: I dont quite understand how to find Ratios for similar polygons, using the ratio of corresponding side lengths.
My problem is:
Ratio of corresponding side lengths= 5:8
I need to find the ratio of perimeters and areas.
can you help me please
THANK YOU
Click here to see answer by vertciel(183) |
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