03/23/16
if there were 120 more men than women, how many people were there altogether?
in a concert hall, the ratio of the number of females to the number of males was 5:6. the ratio of the number of girls to the number of women was 2:3. the ratio of the number of boys to the number...
more
03/22/16
determine an interval that is likely to contain the percent of all households who have a dog as a pet
In a survey of 500 households 23% say that they have a dog as a pet determine an interval that is likely to contain the percent of all households who have a dog as a pet
Explain who is using the better method and why?
Mr smith and mr. Jones both plan to do an experiment to determine whether a coin (would land heads 50% of the time) Mr. Smith plans to flip the coin 1,000 times, but Mr. Jones only plans to flip it...
more
03/22/16
Math problem HELP
Peter deposited a sum of money in SouthEast Bank. The money grew to $1300 in 8 months. SouthEast Bank pays simple interest at the rate of 6% per year. How much did Peter deposit?
Follows
•
1
Expert Answers
•2
![]()
03/22/16
Add/subtract, if possible, and put your answer in simplest form (if necessary): sqrt(27x^2) + x sqrt(75) – 4x sqrt(3)
4 sqrt(3x^2) sqrt(90x^2) 30x sqrt(3) 4x sqrt(3) 4x sqrt(3x^2)
03/20/16
If an object is dropped from 6 feet above the the ground, its height h(t) after t seconds can be modeled by a quadratic equation
If an object is dropped from 6 feet above the the ground, its height h(t) after t seconds can be modeled by a quadratic equation.
t (seconds) can be assigned the number 1 in this...
more
03/17/16
Help with finte math problem
An urn contains 4 red balls and 3 green balls. Two balls are drawn randomly at the same time. Let m = the event that the balls are the same color and let R = tje event that both balls are drawn are...
more
03/17/16
You are saving $100 a week to buy a new computer. Your brother is saving at a weekly rate of 10x-2, if x = the number of weeks of saving. In how many weeks will
You are saving $100 a week to buy a new computer. Your brother is saving at a weekly rate of 10x-2, if x = the number of weeks of saving. In how many weeks will you both have equal amounts of money?
03/17/16
Math sense
Use examples and non-examples to support or disprove that the Commutative property can be applied to Addition and Subtraction of two fraction.
03/16/16
did I answer this question correctly?
If you are told only that you scored in the 80th percentile, do you know from that description exactly how it was calculated? Explain
No I would not know how it was calculated. In order for me...
more
03/15/16
statistical difference
what is the statistical difference if you have 4 pickers picking 100 apples and 1 picker picks 40, versus 2 pickers picking 100 apples and 1 picker picks 60
03/15/16
2 cuberoot(5(x^2)(y^4)) ? 5 cuberoot(15y^3)
A: 50y^2 cuberoot(3(x^2)y) B: 30y^2 cuberoot(5(x^2)y) C: 50y^4 cuberoot(3x^2) D: 5y^2 cuberoot(3(x^2)y) E: 50xy^2 cuberoot(3xy)
03/15/16
A total of $6000 is invested: part at 5 percent and the remainder at 13 percent. How much is invested at each rate if the annual interest is $730?
A total of $6000 is invested: part at 5 percent and the remainder at 13 percent. How much is invested at each rate if the annual interest is $730?
03/15/16
It takes 4 workers 6 hours to do a job. How long will it take 2 workers to do the same job if they work at the same rate as the 4 workers?
Can this problem be worked as a ratio or rate problem?
03/15/16
Maximum number of turning points? Algebra
What is the maximum number of turning points in the graph of P(x) = 2x² + 14x - 7?Question options: a) 1 b) 2 c) 3 d) 4
Please explain this
03/14/16
The charity u volunteer for is selling potted daffodils this spring to raise money. The charity spent $250 on supplies & plans to sell them for $5 ea
A. Write an inequality that gives the possible numbers d of daffodils the charity needs to sell in order for the profit to be positive.
part b asks . What are the possible numbers of...
more
03/14/16
Mrs. Maxwell has ten more bookmarks than ms. conley. Ms. Conley has eight bookmarks. How many bookmarks does mrs. Maxwell have?
How would you make this into an math equation to find answer?
Follows
•
1
Expert Answers
•2
![]()
03/09/16
Determine the value of x to the nearest tenth.
Triangle ABC has an altitude BD. AD is 20. DC is 8. Find AB.
03/09/16
Create a rational function that meets the given criteria:
Numerator is a quadratic function with a x-intercept at x=-2
denominator is a cubic function
There must be only one removable discontinuity at x=3
There must be 2 infinite discontinuities at...
more
03/09/16
True or False
In the classical approach to finding probabilities, we place the number of successes over the total possible. To find the total possible, we use counting methods such as factorials, permutations,...
more
03/09/16
William bought a photocopier and supplies
William bought a photocopier and supplies for $162.50, which will allow him to make copies for $0.12 each. A photocopy store charges $0.21 for each copy. How many copies must William make before...
more
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.