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Question 601932: x^2+9=0
Click here to see answer by Alan3354(30993)

Question 602031: Kate has $13.65 in nickels, dimes, and quarters in her purse.
If the number of dimes is three more than the number of nickels, and the number of quarters is four times the number of dimes, how many dimes does Kate have in her purse?
Thank you in advanced. If you could please show let statements and work. :)

Click here to see answer by scott8148(6628)

Question 602080: a + 6a - 9 = 30
Click here to see answer by rfer(12670)

Question 602174: 16x^2+94y^2+96x-8y+84=0 is this a circle,ellipse,hyperbola,line ,parabola or point? Can someone help me solve this?
Click here to see answer by Alan3354(30993)

Question 602218: How is decimal 4.85 converted.to fraction 4 6/7 ..what are the steps and why please?!?
Click here to see answer by mananth(12270)

Question 602432: |7-3|-|3-7|=?
Click here to see answer by jim_thompson5910(28598)

Question 602431: 400+500=600. 999=899+100
Click here to see answer by Alan3354(30993)

Question 602440: A two-digit number is 4 times the sum of its digits. The tens digit is 3 less than the units digit. What is the number?
Click here to see answer by lwsshak3(6522)

Question 602440: A two-digit number is 4 times the sum of its digits. The tens digit is 3 less than the units digit. What is the number?
Click here to see answer by ewatrrr(10682)

Question 602462: ((cos x)/(1-tan x))+((sin x)/(1-cot x))= sin x+ cos x
How do you work out this identity?
Click here to see answer by jim_thompson5910(28598)

Question 602461: 1 1/2 + 5 y/3 = 7 1/6
Click here to see answer by stanbon(57407)

Question 602428: A 1-ox mouse takes about 16 times as many breaths as does a 3-ton elphant. if the two animals takes a combined total 170 breaths per minute, how many breaths does each take during that time period?
Click here to see answer by KMST(1874)

Question 602589: http://www.nexuslearning.net/books/ML-Geometry/Chapter11/ML%20Geometry%2011-6%20Geometric%20Probability.pdf
Please help me with #30 on page 703? I know that the answer to #29 is 10,000,000 but I don't know how to figure out #30. Please help me and explain so that I can understand. Thank you!
Click here to see answer by jim_thompson5910(28598)

Question 602572: 2x-1/3=4x+3=?.please help.
Click here to see answer by rfer(12670)

Question 602654: Please help me solve this equation.
Find the sum of the infinite geometric series, if it exists.
4-8/3+16/9+...
Click here to see answer by AnlytcPhil(1278)

Question 602737: How do I find the maximum area for a rectangle with a fixed perimeter of 120
Click here to see answer by rfer(12670)

Question 602737: How do I find the maximum area for a rectangle with a fixed perimeter of 120
Click here to see answer by stanbon(57407)

Question 602851: 3x(x-3)=2x(x+2)+6, so far I've got 3x^2-9x-2x^2-4x-6=0, then x^2-13x-6=0 but after this I'm lost?
Click here to see answer by Alan3354(30993)

Question 602851: 3x(x-3)=2x(x+2)+6, so far I've got 3x^2-9x-2x^2-4x-6=0, then x^2-13x-6=0 but after this I'm lost?
Click here to see answer by flame8855(424)

Question 602792: Solve equation -6 ( -4)
Click here to see answer by Alan3354(30993)

Question 602853: a boat goes 350 miles downstream in the same time go 250 miles upstream . The speed of the current is 5 miles per hour. Find the speed of the boat in still water. I know the answer is 45 mph but i want to know how they got it.
Click here to see answer by scott8148(6628)

Question 602973: what is 2/3 - 0.5
Click here to see answer by rfer(12670)

Question 602735:
Click here to see answer by asuar010(324)

Question 603031: if x-squared+x+1=0, what is the value of x-cubed+ 1 over x-cubed? please give information on how to solve
Click here to see answer by nyc_function(2733)

Question 603153: 3-3
Click here to see answer by Alan3354(30993)

Question 603188: This is a factoring question: x^3+1000
Click here to see answer by mananth(12270)

Question 603255: Solve the equation: 4x^3+3x^2=64x+48
Click here to see answer by lynnlo(4164)

Question 603254: Solve the equation: 3x(x-7)=(2x+8)(x-7)
Click here to see answer by lynnlo(4164)

Question 603253: This is a factoring question: 375x^3+192
Click here to see answer by lynnlo(4164)

Question 603309: Solve for X
1/A=1/X+1/Y+1/Z
Click here to see answer by lynnlo(4164)

Question 603437: 6x-2x=4

Click here to see answer by rfer(12670)

Question 603495: Probability?
Click here to see answer by solver91311(16897)

Question 603518: tan^2(x)*sin^2(x)=tan^2(x)-sin^2(x)
How do you verify this identity?
Click here to see answer by scott8148(6628)

Question 603536: Multiply
(w-3)(w+5)
Click here to see answer by Alan3354(30993)

Question 603665: A 4.5 metre ladder rests against a vertical wall with its feet on level ground 2.5 m from the wall.
(a) How high up the wall does it reach?
(b) If the feet of the ladder are pushed 0.8 m closer to the wall, how much higher up the wall will it reach?

Click here to see answer by stanbon(57407)

Question 603717: Simplified form for radicals?????
Click here to see answer by Edwin McCravy(8912)

Question 603764: I was wondering how you would work out 1/3 - 2/11 because 3 doesn't go into 11. I am very confused. Thank-you
Click here to see answer by Edwin McCravy(8912)

Question 603935: A firework launched into the air with an initial velocity of 160 per second. People wonder how high the rocket will go before it begins to descend back to the ground. The formula for vertical motion is h(f)= -16+vt+s, v is the initial velocity and s is the initial height. Time t is measured in seconds, and height, h, in feet. What function describes the height in feet and t seconds into the launch ?
Click here to see answer by stanbon(57407)

Question 603963: convert 9°27'57" into decimal form
Click here to see answer by Alan3354(30993)

Question 603952: How do you write an ellipse in standard form when you only know the foci and the covertices?
Click here to see answer by KMST(1874)

Question 604039: Find the product: (4b – 9)(7b – 6)
Click here to see answer by Alan3354(30993)

Question 604084: Names for triangles?
Click here to see answer by Alan3354(30993)

Question 604113: Factor the polynomial x²-81
Click here to see answer by mananth(12270)

Question 604112: 8/x>2
Click here to see answer by stanbon(57407)

Question 604163: y=x-3
y=-x+9
What is the solution?
Click here to see answer by stanbon(57407)

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