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Question 1026008: An urn contains red balls and 3 green balls. A ball is drawn randomly and 6 more of the same color are added to the urn. Then another ball is drawn. Let R1= Event the ball # is red and let G1= Event ball # is green. Find Pr(R1|R2)
Click here to see answer by robertb(5830)

Question 1024399: matt won 75 lollipops playing the bean bag toss at his school's game night. later he gave one to each of his friends. he has only 57 remaining. how many did he give away?
Click here to see answer by EdenWolf(517)

Question 1026332: A farmer uses 2 gallons of insecticide concentrate to spray each � acre of his land. How many gallons of the concentrate will he need to spray 10 � acres?
Set up the ratio of gallons to acres:
So: 2 x
--- = ----
1/4 10 1/2
I have 8/1 = x/ (10 1/2). SO 10 1/2 is converted to 21/2
Should I have multiplied both sides by 21/2 or 2/ 21?
Click here to see answer by ikleyn(52781)

Question 1026337: A line is drawn perpendicular to the base of an equilateral triangle at one of the vertices of a triangle. Find the number of degrees in the angle made by the perpendicular and the other side of the triangle that contains this vertex.
A. 30 B. 45 C. 60 D. 90
Totally lost on this one.
Click here to see answer by rothauserc(4718)

Question 1026366: The ingredients in a cake recipe include 4 � cups of flour and � cup of sugar. It is desired to make a cake that will require only � cup of sugar. How much flour should be used? Set it up as a proportion.
A. 1 � cups B. 1 cup C. 4 cups D. 1 � cups
I set my ratio as flour to sugar: 4 1/2 / 3/4 = x / (1/4). Simplifying the left proportion, 9/2 / 3/4 = 9/2 * 4/3= 6
6 = x/ (1/4) = 6* (1/4)= 3/2. Which is not one of the answer choices. What went wrong here?
Click here to see answer by josgarithmetic(39617)

Question 1026483: If 4X + 13= 7-2x'what is value of X?
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Question 1026478: 5005-5000/10
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Question 1026482: The average of three number is 20. If two number are 16 and 22.the third is?
Click here to see answer by Timnewman(323)

Question 1026481: What percentage is equivalent to 21/4?
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Question 1026480: 20% of 30% of 20% of Rs 850 is?
Click here to see answer by robertb(5830)

Question 1026647: 1.)A deck cadet earns a monthly allowance of $415 on board. If he regularly saves 80% of this amount, how much is his total savings? For 8 months?
2.) If the Percentage , Base, and Rate is given how will i solve it?
Click here to see answer by josgarithmetic(39617)

Question 1026678: if x�b+c-a=y�c+a-b=z�a+b-c, then show that x(b-c)+y(c-a)+(a-b)=0
Click here to see answer by robertb(5830)

Question 1026885: It takes Terrell 83 minutes to weed his garden, while his wife can get it done in 63 minutes. How long would it take them working together? Round to the nearest tenth of a minute.
Click here to see answer by josmiceli(19441)

Question 1026911: A group of 18 is being joined by 6 boys and 11 girls making the ratio of boys to girls 2:3. What proportion of the original group was boys?
Click here to see answer by macston(5194)

Question 1027005: A penny is 1.55 mm thick. About how many pennies can you stack on top of each other in order to get one meter? Round to the nearest hundredth.
Thanks so much for any help!
Click here to see answer by FrankM(1040)

Question 1027217: Find the next 3 terms in the sequence: 1, 4, 9, 16, ...
Thanks!
Click here to see answer by FrankM(1040)

Question 1027218: The table shows the cost C of renting a pontoon boat for h hours. Which equations best represents the data?
Hours: 1 : 2 : 3
Cost: 7.25: 14.50: 21.75
Click here to see answer by FrankM(1040)

Question 1027918: A spinner with numbers 1-8 is spun twice. What is the probability that it will land on 8 after the first spin and an odd number after the second spin?
Click here to see answer by robertb(5830)

Question 1028294: The drag of an object traveling through a fluid D varies jointly with the density of the fluid ρ and the square of the velocity of the object ν.
Click here to see answer by Alan3354(69443)

Question 1028895: Two numbers are in the ratio 7:11. If the difference between them is 10, find the numbers.
Click here to see answer by Cromlix(4381)

Question 1028933: https://gyazo.com/c1b3a8dd4e319358f65faf6a6a613f86
link to a screenshot
Click here to see answer by solver91311(24713)

Question 1029042: A certain brand of soft drink comes in similar bottles of two sizes, the ordinary and family sizes. The ordinary sized-bottle has a height of 15 cm and a volume of 280 cm3. If the family sized bottle has a volume of 750 cm3, what is its height?
Click here to see answer by Cromlix(4381)

Question 1029551: The color of M&M candies can be brown,yellow, red, blue, orange and green. The following table shows the proportions of each color in a bag.
Chart:
Brown: 0.13, yellow: 0.14, red: 0.13, blue ?, orange: 0.20, green 0.16
If you select an M&M at random, what is the probability its blue?
What is the probability it is not yellow??

What is the probability it is red or green?

What are the odds in favor of it being orange?
Click here to see answer by Fombitz(32388)

Question 1033481: I need help with a ratio problem
Two identical flasks are filled with mixtures of water and wine in the ratios 2:1 and 5:2 respectively. If both flasks are emptied in to a larger flask, then the ratio of water to wine in the resulting mixture is?
Thanks !!!
Click here to see answer by ikleyn(52781)

Question 1033533: A certain medicine is given in an amount proportional to a patient's body weight. Suppose a patient weighing 132 pounds requires 143 milligrams of medicine. What is the amount of medicine required by a patient weighing 156 pounds?
Click here to see answer by addingup(3677)

Question 1033648: if 567 is separated into three number whose ratio is 2:3:4, what are those numbers?
Click here to see answer by ikleyn(52781)

Question 1033943: Let y vary jointly as x and the cube of z and inversely as the square of w. What is the affect on y if x increases by 20%, z is doubled and w is halved.
Click here to see answer by josgarithmetic(39617)

Question 1033956: Two quantities, p and q^3, are in inverse proportion. It is known that p=540 for a particular value of q.
Find the value of p when the value of q is increased by 100%
Click here to see answer by robertb(5830)

Question 1033942: Let y vary jointly as x and the cube of z and inversely as the square of w. What is the affect on y if x increases by 20%, z is doubled and x is halved
Click here to see answer by fractalier(6550)

Question 1034258: The admission fee to a meuseum is $8.50 per person. Given that the admission fee, c dollars, is directly proportional to the number of people, n, identify the constant of proportionality and write a direct proportion equation.
I've tried and tried and don't know please thank you very much.
Click here to see answer by josmiceli(19441)

Question 1034417: 1.the units digit of a two digit number is thrice the tens digit.if sum of the number and the number formed by reversing the digits is 88,then find the number?(unit digit mean?)
2.a man's age 20 years hence would be thrice his age 20 years ago.find his present age?
3.five years ago ,father's age was six times the son's age.fifteen years hence,father's age will be 2 times the son's age.find the present age of father???
Click here to see answer by Theo(13342)

Question 1033820: Alex owns three times as many brown shoes as red shoes, twice as many black shoes as brown shoes, and four times as many white shoes as red shoes. What is the ratio of the number of white shoes to the number of black shoes he owns?
Answer (2/3) (How?)
Click here to see answer by jorel555(1290)

Question 1035598: at what rate per annum compound interest will 4000 amount to 5353 in 5 years
Click here to see answer by Alan3354(69443)

Question 1035860: Which pair of ratios does not form a true proportion.a.8.14 b.6to10 and 15to 25. C.9/4and 36/16 d. 12.15 and 30.40.
Click here to see answer by ikleyn(52781)

Question 1035971: if a, b, c, d are in continued proportion, prove that a^3 + b^3 + c^3 : b^3 + c^3 + d^3 = a : d.
Click here to see answer by robertb(5830)

Question 1036251: 1/c=1/a+1/b, solve for b
Thank you
Click here to see answer by josgarithmetic(39617)

Question 1036458: y is directly proportional to x^2 and y=a for a particular value of x. Find an expression for y in terms of a, when this value of x is doubled.
Click here to see answer by Aldorozos(172)

Question 1036457: y is directly proportional to x^2 and y=a for a particular value of x. Find an expression for y in terms of a, when this value of x is doubled.
Click here to see answer by Aldorozos(172)

Question 1036553: Tap A takes 6 minutes to fill a tank and Tap B takes 9 minutes to fill the same tank. Pipe C can empty the tank in 15 minutes. How long will it take to fill up the tank if the pipe is in use when both taps are turned on?
Click here to see answer by Edwin McCravy(20055)

Question 1036557: 5 men are hired to complete a job. If one more man is hired, the job can be completed 8days earlier. Assuming that all men work at the same rate, how many more men should be hired so that the job can be completed 28 days earlier?
Click here to see answer by Edwin McCravy(20055)

Question 1036551: 12 glassblowers can make 12 identical vases in 9 minutes. Asuming that all the glassblowers work at the same rate, how long will it take 8 glassblowers to make 32 such vases?
Click here to see answer by Alan3354(69443)

Question 1036552: A consignment of fodder can feed 1000 sheep for 20 days. Assuming that all the sheep consume the fodder at the same rate, how many consignments of fodder are needed to feed 550 sheep for 400 days?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1036554: A contractor agrees to lay a road 3000 m long in 30 days. 50 men are employed and they work for 8 hours say. After 20 working days, he finds that only 1200 m of the road is completed. How many more men does he need to employ in order to finish the project on time if each man now works 10 hours a day?
Click here to see answer by ankor@dixie-net.com(22740)

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