09/23/20

I dont even get it

The difference of 5 times a number and 6 is greater than the number

elementary math cardinal numbers

what is the cardinal number of {5,7,9...113}

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?

09/09/20

Algebra equation

-|4-8b|=12 absolute value

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.... more

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:... more

08/28/20

given AF=PC, DN = FC prove DN = AP

given AF=PC, DN = FC prove DN = AP

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... more

08/26/20

AB = 4x – 3, AC = 5x-16, and BC = 8. Solve for x. *

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.

08/19/20

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 ?

IF 2^(3x) = 3 FIND 4^(9x-2)

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... more

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... more

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

algebra question

x=(x)/(9)+(x)/(6)+(x)/(2)+4+(x)/(12)+2What value of x makes this true

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... more

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... more

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?

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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