Posts by Hally

Total # Posts: 14

Physics
How can you recognise the beat frequency from a graph? Why is the beat frequency the difference between the two frequencies of the two sound waves (theory behind this)?

Maths
How can you recognise the beat frequency from a graph? Why is the beat frequency the difference between the two frequencies of the two sound waves (theory behind this)?

Chemistry
If a 20mL sample of milk has a 0.027M concentration of lactic acid, what would the pH be? what would the concentration and pH be in one litre?

Chemistry
If a 20mL sample of milk has a 0.027M concentration of lactic acid, what would the pH be? what would the concentration and pH be in one litre?

Algebra II
3n^2 - n/ n^2 - 1 / n^2/ n+1 is the answer 3n-1/n^2-n or 3-n/ n-1

Algebra 1
sqrt5 -1/x = sqrt5/2 i cross multiplied and i got 3.5= 2.23x is that right?

Algebra II
1)What method(s) would you choose to solve the equation: x2 + 2x - 6 = 0 A. Square roots; there is no x-term. B. Quadratic formula, graphing; the equation cannot be factored easily since the numbers are large. C. Factoring; the equation is easily factored. D. Quadratic formula...

Algebra 1
1)A farmer plans to create a rectangular garden that he will enclose with chicken wire. The garden can be no more than 30 ft wide. The farmer would like to use at most 180 ft. of chicken wire. Write a system of linear inequalities that models this situation. 2) Determine the ...

Algebra 1
little help? 1)The function g(t) = 2t represents the number of guitar lessons, g(t), you can complete in t months. How many guitar lessons can you complete in 7 months? 2)A taco stand sells tacos for \$3.25 each. The stand’s expenses for the day are \$210. Write an ...

Algebra 1
Thank you! :D

Algebra 1
The local zoo is filling two water tanks for the elephant exhibit. One water tank contains 34 gal of water and is filled at a constant rate of 4 gal/h. The second water tank contains 30 gal of water and is filled at a constant rate of 2 gal/h. Explain. Let x = the number of ...

English III
In Dust Tracks on a Road, what kind of literature did the young Hurston like best that made her think of heroic deeds? B. stories of math geniuses <<-- C. stories that were great myths D. stories about young women 2)What is the main conflict in the speaker's mind in...

English III
1)Which of the following contributes most to the mystery of “An Occurrence at Owl Creek Bridge”? A. the breaking of the hangman's noose B. the shooting by the Union sentries C. Farquhar's underwater struggle D. the order in which events occur i think its &...

math
multiply -7(2a-4)

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