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Tutors Answer Your Questions about Proportions (FREE)
Question 168817This question is from textbook 
: Tell whether each pair of ratios forms a proportion:
9/24 and 15/40This question is from textbook
: Tell whether each pair of ratios forms a proportion:
9/24 and 15/40
Click here to see answer by jojo14344(832)  |
Question 168857: the scale is 5 centimeters = 2 kilometers the actual distance is 10km how do I find the map distance?: the scale is 5 centimeters = 2 kilometers the actual distance is 10km how do I find the map distance?
Click here to see answer by Mathtut(373) |
Question 168857: the scale is 5 centimeters = 2 kilometers the actual distance is 10km how do I find the map distance?: the scale is 5 centimeters = 2 kilometers the actual distance is 10km how do I find the map distance?
Click here to see answer by jim_thompson5910(9226) |
Question 168856: the scale is 5 centimeters = 2 kilometers the actual distance is 10km how do I find the map distance?: the scale is 5 centimeters = 2 kilometers the actual distance is 10km how do I find the map distance?
Click here to see answer by jim_thompson5910(9226) |
Question 168820This question is from textbook
: Complete each statement:
32 yd/min = __ in./sThis question is from textbook
: Complete each statement:
32 yd/min = __ in./s
Click here to see answer by Mathtut(373) |
Question 168821This question is from textbook
: Complete each statement:
0.85 km/s - __m/min.This question is from textbook
: Complete each statement:
0.85 km/s - __m/min.
Click here to see answer by Mathtut(373) |
Question 168763This question is from textbook
: Tom, Dick and Mary decided to share expenses for a class party. Tom bought $28 worth of pizza, Dick bought $20 worth of ice cream,and Mary bought $15 worth of soft drinks. How much should each person pay in order that each of them spends the same amount of money and how might they accomplish this?This question is from textbook
: Tom, Dick and Mary decided to share expenses for a class party. Tom bought $28 worth of pizza, Dick bought $20 worth of ice cream,and Mary bought $15 worth of soft drinks. How much should each person pay in order that each of them spends the same amount of money and how might they accomplish this?
Click here to see answer by Mathtut(373) |
Question 168763This question is from textbook
: Tom, Dick and Mary decided to share expenses for a class party. Tom bought $28 worth of pizza, Dick bought $20 worth of ice cream,and Mary bought $15 worth of soft drinks. How much should each person pay in order that each of them spends the same amount of money and how might they accomplish this?This question is from textbook
: Tom, Dick and Mary decided to share expenses for a class party. Tom bought $28 worth of pizza, Dick bought $20 worth of ice cream,and Mary bought $15 worth of soft drinks. How much should each person pay in order that each of them spends the same amount of money and how might they accomplish this?
Click here to see answer by ankor@dixie-net.com(4508) |
Question 168617: Distribute $6,750 among Fred, Grace, and Aaron. Grace should receive twice as much as Fred and Aaron three times as much as Grace.: Distribute $6,750 among Fred, Grace, and Aaron. Grace should receive twice as much as Fred and Aaron three times as much as Grace.
Click here to see answer by josmiceli(2029) |
Question 168617: Distribute $6,750 among Fred, Grace, and Aaron. Grace should receive twice as much as Fred and Aaron three times as much as Grace.: Distribute $6,750 among Fred, Grace, and Aaron. Grace should receive twice as much as Fred and Aaron three times as much as Grace.
Click here to see answer by midwood_trail(231) |
Question 168369This question is from textbook
: Let y be 10% of a number. What is 50% of the number? Write your answer in terms of y.This question is from textbook
: Let y be 10% of a number. What is 50% of the number? Write your answer in terms of y.
Click here to see answer by checkley77(3423) |
Question 168258This question is from textbook 
: what are the three kinds of proportion?This question is from textbook
: what are the three kinds of proportion?
Click here to see answer by Mathtut(373) |
Question 168181: im having a really hard time on this one it is due tomorrow
7/5=10.5/b solve the proportion ? really confussed
from
bad at math need help: im having a really hard time on this one it is due tomorrow
7/5=10.5/b solve the proportion ? really confussed
from
bad at math need help
Click here to see answer by jim_thompson5910(9226) |
Question 168107: did i solve this proportion correctly?
(2x+4)/5=30/25
(25)(2x+4)=(5)(30)
50x+29=150
50x+29-29=150-29
50x=121
(50x)/50=(121)/50
x=2.42: did i solve this proportion correctly?
(2x+4)/5=30/25
(25)(2x+4)=(5)(30)
50x+29=150
50x+29-29=150-29
50x=121
(50x)/50=(121)/50
x=2.42
Click here to see answer by oscargut(667)  |
Question 168107: did i solve this proportion correctly?
(2x+4)/5=30/25
(25)(2x+4)=(5)(30)
50x+29=150
50x+29-29=150-29
50x=121
(50x)/50=(121)/50
x=2.42: did i solve this proportion correctly?
(2x+4)/5=30/25
(25)(2x+4)=(5)(30)
50x+29=150
50x+29-29=150-29
50x=121
(50x)/50=(121)/50
x=2.42
Click here to see answer by Alan3354(1225) |
Question 167933This question is from textbook
: Section 5-4
The amount of gold jewelry and other products is measured in karats(K), where 24K represents pure gold, the mark 14k on a chain indicates that the ration between the mass of the chain is 14:24. If a gold ring is marked 18k and it weighs 0.4 oz, what is the value of the gold in the ring if pure gold in value at $300 per oz?This question is from textbook
: Section 5-4
The amount of gold jewelry and other products is measured in karats(K), where 24K represents pure gold, the mark 14k on a chain indicates that the ration between the mass of the chain is 14:24. If a gold ring is marked 18k and it weighs 0.4 oz, what is the value of the gold in the ring if pure gold in value at $300 per oz?
Click here to see answer by ankor@dixie-net.com(4508) |
Question 167974This question is from textbook
: Section 5-4
A Boeing 747 jet is approximately 230 ft long and has a wingspan of 195 ft. If a scale model of a plane is about 40cm long, what is the model's wingspan?This question is from textbook
: Section 5-4
A Boeing 747 jet is approximately 230 ft long and has a wingspan of 195 ft. If a scale model of a plane is about 40cm long, what is the model's wingspan?
Click here to see answer by stanbon(18792) |
Question 167799This question is from textbook Beginning and Intermediate Algebra
: Use a proportion to solve. Floral designers often create arrangements where the glower height to container ratio is 5 to 3. The FIU Art Museum wishes to create a floral display for the opening of a new show. They know they want to use an antique Chinese vase from their collection that is 13 inches high. How tall will the entire flower arrangement be if they use this standard ratio? Now I tried to work this out and I did  with my final answer 22 inches but that is not correct.This question is from textbook Beginning and Intermediate Algebra
: Use a proportion to solve. Floral designers often create arrangements where the glower height to container ratio is 5 to 3. The FIU Art Museum wishes to create a floral display for the opening of a new show. They know they want to use an antique Chinese vase from their collection that is 13 inches high. How tall will the entire flower arrangement be if they use this standard ratio? Now I tried to work this out and I did with my final answer 22 inches but that is not correct.
Click here to see answer by stanbon(18792) |
Question 167538: A PARTICULAR CAKE RECIPE SERVES 3 PEOPLE AND CALLS FOR 1.25 CUPS OF FLOUR AND 2 CUPS OF SUGAR.ANDRE SEARCHES HIS CUPBOARDS AND FINDS 3.25 CUPS OF FLOUR AND 8.75 CUPS OF SUGAR. IF HE USES THE RECIPE TO BAKE THE LRGEST CAKE POSSIBLE WITH THESE INGREDIENTS, HOW MANY PEOPLE WILL IT SERVE?: A PARTICULAR CAKE RECIPE SERVES 3 PEOPLE AND CALLS FOR 1.25 CUPS OF FLOUR AND 2 CUPS OF SUGAR.ANDRE SEARCHES HIS CUPBOARDS AND FINDS 3.25 CUPS OF FLOUR AND 8.75 CUPS OF SUGAR. IF HE USES THE RECIPE TO BAKE THE LRGEST CAKE POSSIBLE WITH THESE INGREDIENTS, HOW MANY PEOPLE WILL IT SERVE?
Click here to see answer by Mathtut(373) |
Question 167040: The ratio of Hispanic to Anglo students is 4:5. If the total number of students is 986, how many of them are Anglo?: The ratio of Hispanic to Anglo students is 4:5. If the total number of students is 986, how many of them are Anglo?
Click here to see answer by jojo14344(832) |
Question 167041: The ratio of Hispanic to Anglo students is 4:5. If the total number of students is 986, how many of them are Anglo?: The ratio of Hispanic to Anglo students is 4:5. If the total number of students is 986, how many of them are Anglo?
Click here to see answer by checkley77(3423) |
Question 166908: Every 3 weeks the Story family drinks 24 bottles of juice. At this rate, how many bottles of juice will the family drink in 10 weeks?: Every 3 weeks the Story family drinks 24 bottles of juice. At this rate, how many bottles of juice will the family drink in 10 weeks?
Click here to see answer by Alan3354(1225) |
Question 166867: If car A get's 27 miles to the gallon and car B gets 9 miles to the gallon car A uses 2 gallons to go 54 miles. How many gallons does car B use to go the same distance.
We know the answer...just need to know how to write it in proportions.: If car A get's 27 miles to the gallon and car B gets 9 miles to the gallon car A uses 2 gallons to go 54 miles. How many gallons does car B use to go the same distance.
We know the answer...just need to know how to write it in proportions.
Click here to see answer by Mathtut(373) |
Question 166201: You spotted 22 fish and tagged them. The next week you spotted 21 fish and only seven were tagged. How many fish are in the river.: You spotted 22 fish and tagged them. The next week you spotted 21 fish and only seven were tagged. How many fish are in the river.
Click here to see answer by jojo14344(832) |
Question 166100This question is from textbook Algebra 1
: Find the unit rate. A 12-once bottle of juice costs $1.08. What is the cost per once? This question is from textbook Algebra 1
: Find the unit rate. A 12-once bottle of juice costs $1.08. What is the cost per once?
Click here to see answer by stanbon(18792) |
Question 166076: david is taking a long car trip. his gas tank holds about 16 gallons. he fills up at the beginning of the trip. he looks down at the dashboard after a while, and notices the tank is now around 3/4 full, and he has gone about 70 miles.
a)how far could he go on a full tank
b)his total trip is about 500 miles. how much gas will he use?: david is taking a long car trip. his gas tank holds about 16 gallons. he fills up at the beginning of the trip. he looks down at the dashboard after a while, and notices the tank is now around 3/4 full, and he has gone about 70 miles.
a)how far could he go on a full tank
b)his total trip is about 500 miles. how much gas will he use?
Click here to see answer by gonzo(444) |
Question 165445: 9:62 The web-based company Oh Baby! Gifts has a goal of processing 95 percent of its orders on the same day they are received. If 485 out of the next 500 orders are processed on the same day, would this prove that they are exceeding their goal, using a=.025? (See story.news.yahoo.com accessed June 25, 2004.): 9:62 The web-based company Oh Baby! Gifts has a goal of processing 95 percent of its orders on the same day they are received. If 485 out of the next 500 orders are processed on the same day, would this prove that they are exceeding their goal, using a=.025? (See story.news.yahoo.com accessed June 25, 2004.)
Click here to see answer by Mathtut(373) |
Question 164305This question is from textbook algebra 1
: how do you write this is to a propotion........ what is 20% of 125.......This question is from textbook algebra 1
: how do you write this is to a propotion........ what is 20% of 125.......
Click here to see answer by algebrapro18(153) |
Question 163941: . An administrator of a popular web site is told that a new server can handle 41,000 "hits" (users accessing the site) per second. The web site currently experiences a peak demand of about 105,000 hits per second; but every month, the peak demand increases by 2800 hits per second. Use a proportion equation to determine how many new servers the administrator should buy to address expected traffic for the next 24 months.
: . An administrator of a popular web site is told that a new server can handle 41,000 "hits" (users accessing the site) per second. The web site currently experiences a peak demand of about 105,000 hits per second; but every month, the peak demand increases by 2800 hits per second. Use a proportion equation to determine how many new servers the administrator should buy to address expected traffic for the next 24 months.
Click here to see answer by gonzo(444) |
Question 163940: 2. A new virus is released on the internet; the administrator of a department's Local Area Network ( LAN) is given five minutes by a manager to estimate the impact. The administrator samples 15 of the PCs connected to the LAN, and finds that 9 are infected; use proportion to estimate the number of infected PCs if there are a total of 202 PCs connected to the LAN. : 2. A new virus is released on the internet; the administrator of a department's Local Area Network ( LAN) is given five minutes by a manager to estimate the impact. The administrator samples 15 of the PCs connected to the LAN, and finds that 9 are infected; use proportion to estimate the number of infected PCs if there are a total of 202 PCs connected to the LAN.
Click here to see answer by stanbon(18792) |
Question 163190: write as an equation that represents the relationship between the given variables. Use k as the variation constant.
F varies jointly as h and inversely as the square of r: write as an equation that represents the relationship between the given variables. Use k as the variation constant.
F varies jointly as h and inversely as the square of r
Click here to see answer by edjones(2391) |
Question 163011: Yolanda invests $6,000. Some of the money is invested in stocks paying 6% a year and some in bonds paying 11% a year. She receives a total of $580 each year from these investments. How much money is invested in stocks and how much money in bonds?: Yolanda invests $6,000. Some of the money is invested in stocks paying 6% a year and some in bonds paying 11% a year. She receives a total of $580 each year from these investments. How much money is invested in stocks and how much money in bonds?
Click here to see answer by jojo14344(832) |
Question 162894: If y varies directly as 2x to the power of 3 and y=54 when x =2 . find k: If y varies directly as 2x to the power of 3 and y=54 when x =2 . find k
Click here to see answer by ankor@dixie-net.com(4508) |
Question 162901: The distance traveled by a car with constant speed is directly proportional to the length of time traveled. If the car travels 150km in 2 hr, then how far will it travel in 7 hrs?
: The distance traveled by a car with constant speed is directly proportional to the length of time traveled. If the car travels 150km in 2 hr, then how far will it travel in 7 hrs?
Click here to see answer by Anthea Lawn(11) |
Question 162891: If y varies directly with x and y = 6 when x = 42 , find y when x =3
If y varies directly with x then y=Kx
(6)=K(42)
6/42= K(42)/42
1/7= K
REUSE FORMULA
y=Kx
y=(1/7)(3)
y=3/7
: If y varies directly with x and y = 6 when x = 42 , find y when x =3
If y varies directly with x then y=Kx
(6)=K(42)
6/42= K(42)/42
1/7= K
REUSE FORMULA
y=Kx
y=(1/7)(3)
y=3/7
Click here to see answer by eperette(63) |
Question 162897: The interests earned on an investment varies directly with interest rate. If a 10% rate gives 200$, the interest rate that gives 300$ is..: The interests earned on an investment varies directly with interest rate. If a 10% rate gives 200$, the interest rate that gives 300$ is..
Click here to see answer by checkley77(3423) |
Question 162855This question is from textbook beginning and intermidiate algebra
: Determine wether the line PQ is parallel or perpendicular or neither to a line with a slope of -2. P(-2,1) Q(6,5)
I did the following:y-1=-2(x--2)
y-1=-2x-4
y=-2x-3 i got this for p
for Q
y-5=-2(x-6)
y-5=-2x+12
y=-2x+17 so i thought they were parallel; but they are perpendicular i got this one wrong on my test but i do not know what i did wrong please helpThis question is from textbook beginning and intermidiate algebra
: Determine wether the line PQ is parallel or perpendicular or neither to a line with a slope of -2. P(-2,1) Q(6,5)
I did the following:y-1=-2(x--2)
y-1=-2x-4
y=-2x-3 i got this for p
for Q
y-5=-2(x-6)
y-5=-2x+12
y=-2x+17 so i thought they were parallel; but they are perpendicular i got this one wrong on my test but i do not know what i did wrong please help
Click here to see answer by jim_thompson5910(9226) |
Question 162463: x/8=x-5/6
I assume your problem is x/8=(x-5)/6; where (x-5) should all be above the 6, in this case by cross multiplying we obtain
6x=8(x-5)
6x=8x-40
6x-8x=8x-8x-40
-2x=0-40
-2x/-2=-40/-2
x=20
Lets check:
x/8 = (x-5)/6 ?
20/8 ? (20-5)/6
5/2 ? 15/6
5/2 = 5/2 answer is correct!
: x/8=x-5/6
I assume your problem is x/8=(x-5)/6; where (x-5) should all be above the 6, in this case by cross multiplying we obtain
6x=8(x-5)
6x=8x-40
6x-8x=8x-8x-40
-2x=0-40
-2x/-2=-40/-2
x=20
Lets check:
x/8 = (x-5)/6 ?
20/8 ? (20-5)/6
5/2 ? 15/6
5/2 = 5/2 answer is correct!
Click here to see answer by eperette(63) |
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