Questions on Word Problems: Translating English into Algebreze answered by real tutors!

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Question 934884: -3[2 � (6 + x)]
Click here to see answer by rfer(16322)

Question 934908: Please help me answer this question:
Eddie bought a Yamaha motorcycle for d dollars. He improved the motorcycle by adding a fairing for f dollars. In order to break even, how much should Eddie sell motorcycle for? Write an equation where e represents the selling price.
Thank you
Click here to see answer by josmiceli(19441)

Question 935199: Sami saves 40 two dollar notes and ten dollar notes. Her total savings is 168 dollars. How many two dollar notes does Sami have?

Click here to see answer by TimothyLamb(4379)

Question 935301: the difference of a number and seven is greater than or equal to twice the number
Click here to see answer by MathLover1(20849)

Question 937196: How do you write as a math problem
The difference of twice a number and nine is less than negative two.
Click here to see answer by ewatrrr(24785)

Question 937413: Fruit just A is composed of 2 parts apple juice and 1 part grape juice. Fruit juice B is composed of 1 part apple juice and 2 part grape juice. When A and B are mixed, the new mixture has 10kg of apple juice and kg of grape juice. How many kilograms does each type of original fruit juice weigh? Ans.{A:____
Ans.{B:____
Click here to see answer by josgarithmetic(39617)

Question 937615: How do I write a number divided by three is equal to the sum of twice the number and seven
The difference of six times a number and twenty four is equal to the difference of twice that number and twelve
Click here to see answer by josgarithmetic(39617)

Question 937662: How do I write this in a formula a number divided by three is equal to the sum of twice the number and seven
Click here to see answer by rothauserc(4718)

Question 937748: One positive number is 25 times another positive number. the difference between the two numbers is 168. Find the two numbers.
Click here to see answer by stanbon(75887)

Question 937977: Steve is 5 times as old as Janis. In 12 years, he will be twice as old as she will be then. How old are they now?
So far of what I got using trial & error
5x + 12 = 2x
Click here to see answer by stanbon(75887)

Question 938394: Twelve less than a number is 20
Click here to see answer by ewatrrr(24785)

Question 939120: A psychologist claims that more than 19 percent of the population suffers from professional problems due to extreme shyness. Assume that a hypothesis test of the claim has been conducted and that the conclusion of the test was to reject the null hypothesis. Identify the population to which the results of the test apply.
A. The population is all shy workers.
B. The population cannot be identified from the description of the study.
C. The population is all American workers.
D. The population is all American professional workers (doctors, lawyers, CPA�s, and the like..
Click here to see answer by ewatrrr(24785)

Question 939124: A consumer advocacy group claims that the mean amount of juice in a 16
ounce bottled drink is not 16 ounces, as stated by the bottler.
Determine the null and alternative hypotheses for the test described.
A.
H0: � = 16 ounces Ha: � < 16 ounces
B.
H0: � � 16 ounces Ha: � = 16 ounces
C.
H0: � = 16 ounces Ha: � > 16 ounces
D.
H0: � = 16 ounces Ha: � � 16 ounces
Click here to see answer by ewatrrr(24785)

Question 939175: At one school, the mean amount of time that tenth-graders spend watching television each week is 18.4 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased.
Formulate the null and alternative hypotheses for the study described.
A.
Ho: � = 18.4 hours H a : � � 18.4 hours
B.
Ho: � = 18.4 hours H a : � < 18.4 hours
C.
Ho: � � 18.4 hours H a : � < 18.4 hours
D.
Ho: � = 18.4 hours H a : � > 18.4 hours
Click here to see answer by ewatrrr(24785)

Question 939174: A manufacturer claims that the mean amount of juice in its 16 ounce bottles is 16.1 ounces. A consumer advocacy group wants to perform a hypothesis test to determine whether the mean amount is actually less than this. The mean volume of juice for a random sample of 70 bottles was 15.94 ounces. Do the data provide sufficient evidence to conclude that the mean amount of juice for all 16-ounce bottles, �, is less than 16.1 ounces? Perform the appropriate hypothesis test using a significance level of 0.10. Assume that s = 0.9 ounces.
A.
The z of - 1.49 provides sufficient evidence to conclude that the mean amount of juice is less than 16.1 oz.
B.
The z of - 1.49 does not provide sufficient evidence to conclude that the mean amount of juice is less than 16.1 oz.
C.
The z of - 0.1778 does not provide sufficient evidence to conclude that the mean amount of juice is less than 16.1 oz.
D.
The z of - 0.1778 provides sufficient evidence to conclude that the mean amount of juice is less than 16.1 oz.
Click here to see answer by ewatrrr(24785)

Question 939173: A two-tailed test is conducted at the 5% significance level. Which of the z-scores below is the smallest one that leads to rejection of the null hypothesis?
A. 1.12
B. 1.48
C. 1.84
D. 2.15
Click here to see answer by ewatrrr(24785)

Question 939440: The margin of error in estimating the population mean of a normal population is E = 9.3 when the sample size is 15. If the sample size had been 25 and the sample standard deviation did not change, would the margin of error be larger or smaller than 9.3?
A. Smaller. E increases as the square root of the sample size gets larger.
B. Smaller. E decreases as the square root of the sample size gets larger.
C. Larger. E decreases as the square root of the sample size gets larger.
D. Larger. E increases as the square root of the sample size gets larger.
Click here to see answer by ewatrrr(24785)

Question 939439: A 95% confidence interval for the mean of a normal population is found to be 13.2 < � < 22.4. What is the margin of error?
A. 4.6
B. 4.4
C. 4.2
D. 5.6
Click here to see answer by ewatrrr(24785)

Question 939438: A poll of 1,068 adult Americans reveals that 52% of the voters surveyed prefer the Democratic candidate for the presidency. At the 0.05 significance level, test the claim that more than half of all voters prefer the Democrat.
A. Reject the null hypothesis. Conclude that there is insufficient evidence that more than half of all voters prefer Democrats.
B. Do not reject the null hypothesis. Conclude that there is sufficient evidence that more than half of all voters prefer Democrats.
C. Reject the null hypothesis. Conclude that there is sufficient evidence that more than half of all voters prefer Democrats.
D. Do not reject the null hypothesis. Conclude that there is insufficient evidence that more than half of all voters prefer Democrats.
Click here to see answer by ewatrrr(24785)

Question 939940: A pharmacist needs to make a 1% hydrocortisone cream. How many grams of 2.5 % hydrocortisone cream should be added to 15 grams of cream base (0% hydrocortisone) to make a 1% cream?
Click here to see answer by josmiceli(19441)

Question 940502: Could you please solve this and if its possible give me some tips on how i should attack word problems like this? i always have trouble on these kinds of equations. thank you!
3 times the sum of twice a number and 6 is 4 times 2 less than the number. find the number.
Click here to see answer by josgarithmetic(39617)

Question 940286: two roads crew working together repaired 1 mile of the road in four hours. working separately one of the crews takes about six hours to repair a similar road. how long would it take the other crew working alone to repair a similar Road?
Click here to see answer by ankor@dixie-net.com(22740)

Question 940494: the quotient of twice a number and 8 is equal to 3 more than the number. What is the number?
Click here to see answer by Fombitz(32388)

Question 941129: Use substitutions to solve the system
-5x+4y=28
Y=2x+10
Click here to see answer by Fombitz(32388)

Question 941480: Jim built a rectangular shed with a total floor surface area will be 126 sq.ft if the lenght is 4 feet more than twice it's width what is the width of the dog house. Please help me with this
Click here to see answer by srinivas.g(540)

Question 942417: What is the complement of angle a�

Click here to see answer by Theo(13342)

Question 942724: the cost of renting a car for one day and driving
m miles if the rate is
$49 per day plus
45 cents per mile

Click here to see answer by Fombitz(32388)

Question 943291: A scuba diving resort hotel offers divers 2 plans. Plan A gives 3 nights of lodging and 4 dives. Plan B gives 5 nights of lodging and 8 dives. A price list comes out in which Plan A costs $440 and Plan B costs $780. What is the cost of a single dive?
Click here to see answer by TimothyLamb(4379)

Question 944283: Seven times a number is 95 greater than the product of a number and -12. What is the number?
Click here to see answer by josgarithmetic(39617)

Question 944758: if a person use 60 gallon in 20 days so how much 25 person use water in 5 days
Click here to see answer by josmiceli(19441)

Question 944758: if a person use 60 gallon in 20 days so how much 25 person use water in 5 days
Click here to see answer by macston(5194)

Question 945622: The difference between three times a number and 7 is 17
Click here to see answer by ankor@dixie-net.com(22740)

Question 945692: The sum of two numbers is seven. Five less than five times the smaller is equal to the larger.
Click here to see answer by ankor@dixie-net.com(22740)

Question 946754: College accepted 4 of 9 applicants. 183 students accepted. How may students applied?
Click here to see answer by Techpriest(29)

Question 560206: My question is what key words should I look for (and translating the thing):
Yissania and Charlotte walked on treadmills at the same time at the gym. Yissania walks at 5 mph while Charlotte walks 4.2 mph. If Yissania walked .6 miles farther than charlotte, how long did they use the treadmills.
I appreciate the help,
John
Click here to see answer by noxie(1)

Question 947102: A bus left with some of passengers.At the first stop,half the passengers left the bus and 35 boarded the bus.At the second stop 1/5th of the passengers left and 40 boarded the bus. Then, the bus moved with 80 passengers towards its destination without stopping anywhere. How many passengers were there originally?
Click here to see answer by josmiceli(19441)

Question 947057: Two numbers are in the ratho of 7:9.the larger number is 54.find the smaller number
Click here to see answer by Fombitz(32388)

Question 947609: Susan, who is a graphic artist, is given a job to design a poster. This poster contains 70 square inches of type and pictures and has a uniform margin around the type of 2 inches. The height of the poster needs to be twice the width. What are the dimensions of the overall poster? (HINT: Usea calculator to figure out the square root if you use the quadratic formula.)
Click here to see answer by josgarithmetic(39617)

Question 947807: The difference of a number divided by 4 and 2 equals 7 .
Click here to see answer by ankor@dixie-net.com(22740)

Question 947863: the fuel tank in my new car was 40% full. i added 28 litres and then found that it was 75% full. how much fuel does the tank hold?
Click here to see answer by josgarithmetic(39617)

Question 947863: the fuel tank in my new car was 40% full. i added 28 litres and then found that it was 75% full. how much fuel does the tank hold?
Click here to see answer by lwsshak3(11628)

Question 947870: a basketball player has scored 312 points in 15 games. how many points must he average in his next 3 games to take his overall average to 20 points per game
Click here to see answer by lwsshak3(11628)

Question 947873: two trains travel at speeds of 72 km/h and 48 km/h respectively. if they start at the same time and travel towards each other from two places 600 km apart, how long will it be before they meet
Click here to see answer by lwsshak3(11628)

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