Tutors Answer Your Questions about Proportions (FREE)
Question 884738: The amount of silt carried by a stream is directly proportional to the sixth power of its velocity. A certain stream carries 150 tons of silt per day. Determine the amount of silt it would carry if its velocity were doubled.
Click here to see answer by Theo(13342)   |
Question 886558: 1: ten people can paint 60 boxes in 120 days.so 5 people can paint 30 boxes in how many days??
2: if it takes 6 printing presses to print 5000 newspaper ,how long should it take three presses to print 3000 newspaper?
i will b very thankful if u will provid the answers..:) :)
Click here to see answer by MathTherapy(10551)  |
Question 894859: This question is in the ratios & proportions section of the book. The problem is that there are no instructions or examples. I would be grateful if I could get a detailed answer so that I know how to complete the other questions like this.
Set up the proportion:
Set up the two ratios and write your equation, choosing an appropriate variable for the bear population.
Bear population. To estimate the size of the bear population on the Keweenaw Peninsula, conservationists captured, tagged, and released 50 bears. One year later, a random sample of 100 bears included only 2 tagged bears. What is the conservationist's estimate of the size of the bear population?
Thank you!
Click here to see answer by Theo(13342) |
Question 894925: The diameter of an electric cable is normally distributed, with a mean of 0.9 inch and a standard deviation of 0.03 inch. What is the probability that the diameter will exceed 0.93 inch? (You may need to use the standard normal distribution table. Round your answer to three decimal places.)
Click here to see answer by reviewermath(1029)  |
Question 894929: A father and his son are 50 years old and 20 years old respectively. Find the ratio of the father's age to his son' sage, when
a. The son was 10 years old
B. The father was 35 years old
C. The son will be 40 years old
D. The father will be 75 years old
Click here to see answer by lwsshak3(11628) |
Question 895423: Last month I wrote down the following fa
cts while on my delivery job: I work 5 days a week
for 8 hours a day. Last month I worked 20 days. My truck gets 21 miles per gallon. I drive at
an average speed of 45 miles per hour. I listen to 104.5 on the radio. I drive about 350 miles
per day. Gas co
sts $3.499 per gallon. How much did I spend on gas last month?
Click here to see answer by josmiceli(19441)  |
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