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Amir

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Immigrants and Minorities in the West Quiz
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Solve the following system of linear equation by Gauss Jorden Method3x1 + x2 + x3 + x4 = 0 5x1 − x2 + x3 − x4 = 0
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2. 292 views
If gene frequency between genes a and c is 2%; b and c is 13%; b and d 4%; a and b 15%; c andd 17 and a and d 19%. What is the
1. 2 answers
2. 1,388 views
28g of NH3 is dissolved in 500mL of water. What is the concentration of the resulting solution?(I do not understand how to solve
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2. 979 views
A hockey puck is given an initial speed of 6.7 m/s. If the coefficient of kinetic friction between the puck and the ice is 0.08,
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Hannah and Francine have $120. Hannah and peter have $230. Peter has 6 times as much money as Francine. How much does Hannah
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2. 550 views
The area of the base of a cubiod is 44cm.Find the height,If the volume is 378.4 cm
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2. 587 views
Blossom’s Flowers purchases roses for sale for Valentine’s Day. The roses are purchased for $10 a dozen and are sold for $20
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2. 768 views
An ice cube at 0.00 degree celsius with a mass of 23.5 g is placed into 550.0 g of water, initially at 28.0 degree celsius, in
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2. 2,881 views
balance this equationNaOH + H2SO4 = NaSO4 + H2O
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2. 1,328 views
2y^2 -8y -3 = 0please solve
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2. 310 views
2y^2 -8y -3 = 0please solve
1. 1 answer
2. 263 views
2y^2 -8y -3 = 0please solve
1. 1 answer
2. 297 views
2y^2 -8y -3 = 0please solve
1. 1 answer
2. 377 views
2y^2 -8y -3 = 0please solve
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2. 325 views
prove that sinA/(1+cosA) + (1+cosA)/(sinA) = 2cosecA
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2. 2,224 views
THE LINE Y=X+4 INTERSECTS THE CURVE2X^2 + 3XY - Y^2 + 1 = 0
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THE LINE Y=X+4 INTERSECTS THE CURVE2X^2 + 3XY - Y^2 + 1 = 0
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2. 609 views
prove that (cotx+tanx)(cotx-tanx) = 1/(sin^2 x) - 1/(cos^x)
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2. 507 views
3+siny = 3cos^2 y for 0<Y<360
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2. 1,151 views
solve4 sin x = cos x for 0<X<360
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2. 365 views
g(x) = 3x+5 / x-1find the inverse function
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2. 392 views
You need to prepare 2 M solutions, with 10 g of solute. What volume of solution will you prepare for ammonium nitrate, NH4NO3?
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Hydrocarbons A and B both contain 85.7 % carbon. Their molar masses are 42 and 84 respectively.a) Which elements does a
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2. 3,502 views
A man and his wife share a sum of money in the ratio 3:2. If the sum of money is doubled, then in what ratio should they divide
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2. 11,942 views
Please explain the process of diffusion.
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2. 593 views
8 csc theta - 2=10 + 2 csc thetaI can't do it. :S
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2. 923 views
I am currently outside USA. Now in Asia we follow the Cambridge igcse curriculum. If I move to USA can I still get into an Ivy
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2. 555 views
This is definitely not homework. I just want to know what would be the best book for preparing my self for the SAT.
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2. 409 views
Say what energy changes are taking place:a)clockwork toy b)boy kicking soccer ball c)boiling kettle on a gas ring d)person
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2. 1,023 views
Metal expands more than glass when both are heated. How can this fact be used to help open a metal screw top on a glass bottle
1. 1 answer
2. 502 views
x^2+y^2=86 and xy=(-16), Find the value of(x-y)^2 Please help i am a bit tense today so i can't figure it out.
1. 1 answer
2. 623 views
Please help me solve this equation-5t+2=-2t*2
1. 2 answers
2. 333 views
Sulfur Trioxide can be dissolved to form sulphuric acid. But it is avoided since the reaction is violent. Explain why?
1. 1 answer
2. 414 views
What is the difference between magnetic field of a bar magnet anf the magnetic field around a current-carrying coil?Please
1. 1 answer
2. 498 views
If you cut a magnet in half does each half become a magnet. Give a clear explanation to your answer.
1. 2 answers
2. 1,069 views
My question is how does metal corrosion affect a reed switch?This question is from my textbook. We are following cambridge igcse
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2. 603 views
Solve the inequality:Absolute Value of X+5 is greater than or equal to 1. I'd appreciate someone telling me how to solve it and
1. 3 answers
2. 663 views
Solve the inequality:absolute value of x+is greater than or = to1. What form do you put it in? I missed class, and would
1. 1 answer
2. 514 views
What roles do these systems play in supporting cellular respiration?-digestive system -repiritory system -circulatory system
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2. 1,118 views
A bus and a car leave the same place and travel in opposite directions. If the bus is traveling at 50 mph and the car is
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2. 3,402 views
A bus and a car leave the same place and travel in opposite directions. If the bus is traveling at 50 mph and the car is
1. 1 answer
2. 746 views
John took a drive to town at an average rate of 40mph. In te evening he drove back at 30mph. If he spent a total of 7 hours
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2. 1,671 views
James and tom are in 2 cities which are 186 miles apart and travel towards eachother. James' average rate was 32 mph, and Tom's
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2. 645 views
At 11:00am a car (1) leaves city "A" at a constant rate of 60 mi/hr toward city "B". AT the same time a second car (2) leaves
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2. 657 views
2 cyclists start at the same tiem from opposite ends of a course that is 45 miles long. One cyclist is riding at 14 mph and the
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2. 1,020 views
Hi. I'm not sure if my strategy for this problem is correct:How many grams of CaCO3 will dissolve in 3.0x10^-2 mL of 0.050M
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Answers (24)

S10
S5
OK thanks
Solve the following system of linear equation by Gauss Jorden Method 3x1 + x2 + x3 + x4 = 0 5x1 − x2 + x3 − x4 = 0
A=5i
Use two equations to get di and do. First, 1/f=1/do+1/di (textbooks usually use p and q). Also, M = -di/do. Since the image is real, di is positive and M is negative (image is upside down). Using the second equation, -2.5 = -di/do. Solving for di,
I am trying to solve this as well
A small harbor where small boat can dock
define X as the number of acres of planted corn. hence, the number of acres of planted wheat is 1200-X. from here you can figure out the simple equation: (275*X)+(125*(1200-X))=244500 and the only solution is X=630 acres which is the correct answer.
1
1.2x10^-6
K2= +1 Cr=+6 o=-2
thanks for the help. im still a bit confused.,, [23.5g x 6.02] + [? x 2.09 x (Tfinal- 0)] + [550.g x 4.184 x (Tfinal- 28.0)] = 0 is this right so far? How would you be able to get the mass of melted ice?
thanks
how do i know if the tangent is positive in the third quadrant?
thanks man
Thanks
A 2 kg box slides down a 25 degree ramp with an acceleration of 2 meters per second. Determine the coefficient of kinetic friction between the box and the ramp?
See how to solve from a pro who is undergoing IGCSE courses which are better than US High School courses mgh=1/2mv^2 1/2mv^2=mgh mv^2=2mgh V^2=2mgh/m V= square root of 2gh
thanks a lot. I really apreciate your help.
5/6
The answer is A)11. In my country we do this in grade 7. You just need to use unitary method.
ok thanks
[x+5]> 1 -

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