09/14/20
Solve the combination
At a chinese buffet, there are five entree selections. If two entrees may be selected, how many ways may the plates be filled?
09/07/20
How long would it take to paint a fence? (rational polynomial equation)
Q: Danny and Josh are going to help paint Josh’s neighbor’s fence. Josh painted the fence by himself two years ago. Four years ago, Danny painted the same fence and did it 9 hours faster than Josh....
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09/05/20
Writing equations of linear functions
Writing equations of linear functions, please help! The chart below is asking what the slope, y intercept, and equations are. In the first chart it has x on the left and underneath are the numbers:...
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08/27/20
Solve a quadratic using square root method
Two problems, question at the end:#1:2y^2+4 =0 1)subtract 4 from both sides2)divide both sides by two3)square both sidesy= /-2y= i / 2 or - i /2#2:-2w^2-32=01)add 32 to both sides2)divide both...
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08/26/20
Given f(x) = –2(x - 3)2 + 6, explain how you know:
the direction of opening for the parabola.b) the number of zeroes this parabola has.
08/21/20
The distance from the centre of a regular pentagon to each of its vertices is 6cm.Calculate the perimeter of the pentagon
I don't really understand this :(
08/19/20
A party rental company has chairs and tables for rent
The total cost to rent 8 chairs and 3 tables is $42. The total cost to rent 2 chairs and 5 tables is $53. What is the cost to rent each chair and each table ?
08/17/20
Permutations and coin flip probability questions
Q: An elf, a dwarf, a hobbit, a wizard, and a man are sitting in a line. How many different ways can they sit if the elf and the dwarf insist on sitting next to each other? For this one, I think I...
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08/15/20
Sphere's in Cylinders
I have an intriguing question about Spheres and cylinders that have been enabling me to understand the topic.What is the formula for finding the volume of a sphere with the same radius and height...
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08/13/20
Range Question!
70 students took an exam. the mean score on the exam is 75.5 and the standard deviation is 2.6 what percent of the scores are in the 72.9 and 83.3 range?
08/04/20
CAN YOU HELP ME PLEASE
You mix 3L of 20% acid solution with 2L of 70% solution of the same acid. What will be the final concentration?(concentration = amount of pure substance/total amount of solution)submit the answer...
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08/04/20
algebra problem
17.After the first 4 quizzes, Ron’s quiz average is an 87. There are two quizzes remaining for thequarter and the maximum score for any individual quiz is 100. What is the minimum grade Roncan...
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08/04/20
algebra question
Jane bought a pair of headphones at a 20% discount. After including the 8% sales tax, the totalprice of the headphones was $54. What was the original price of the headphones before thediscount?
08/04/20
Find the indicated angle θ. (Use either the Law of Sines or the Law of Cosines, as appropriate. Assume a = 13, c = 11, and ∠C = 50°.
Round your answer to one decimal place. Assume that θ is greater than 90°.)
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