math
tia is bulding a fence around her backyard she has 40 feet of fence dose she have enough
chemistry
A sample of oxygen that occupies 1.00x10^6 mL at 575 mm Hg is subjected to a pressure of 1.36 atm. What will the final volume of the sample be if the temperature is held constant?
math
If it is 18 degrees fahrenheit, what would be the temperature if it dropped 58 degrees fahrenheit?
calculus
evaluate the integral I= ∫(0,∏/4) ((5-3e^(-tanx))/(cos^(2)x))dx
math
what is the slope-intercept form of 16x-y=8
Chemistry
what is the mass of Cu from 5.80 kg of CuFeS2?
Math
What is 11twefths of 24
Grade 10-Math
i understand how you got the answer i just don't get why i don't put 5x+4y before the equation because i have been for all the other ones and i got those ones right.. for example this one: 6x+5y= 7 x-y= 3 i isolated the second equation into y=3+x so: 6x+5y(3+x)=7 6x+15...
Grade 10-Math
x+2y=3 5x+4y=8 I isolated x+2y=3 to make: x=3-2y then i began to sub in equation one with equation two: 5x+4y(3-2y)=8 5x+12-8y=8 after that i began to try to solve the equation but my answers were not correct. any help would be greatly appreciated!
math grade nine
THANKS FOR ALL THE HELP!!!! :)
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