# Questions Asked onAugust 21, 2011

1. ## MATH

X+Y=5XY,3X+2Y=13XY where x and y are not equl to 0

2. ## Math

An architect designs a house that is 12 m wide. The rafters holding up the roof are equal length and meet at an angle of 68°. The rafters extend 0.6 m beyond the supporting wall. How long are the rafters? Hi - I was wondering if you could help me with

3. ## math

A farm has cows and ducks. There are 78 feet and 27 hands. How many of each animal are there? How do you know?

4. ## physics

the velocity of a car increases from 36km/hr to 54km/hr in one minute determine the force exerted by the engine on the car mass of the car is 120kg

5. ## maths

) If * stands for /, /stands for -, +stands for * and –stands for +, then 17/5*4+19-8? A)1.25 B) 24.5 C) 12.8 D) 22.4

6. ## math

Ajax is 8 km due west of Oshawa. Uxbridge is 16 km NW of Oshawa. How far is it from Ajax to Uxbridge? Explain whether you have enough information to solve this problem. my answer was 13.856 km but not confident how I found the angle oshawa to begin with. I

7. ## Chemistry

Copper metal reacts with hot concentrated sulfuric acid solution to form aqueous copper (II) sulfate, sulfur dioxide gas and water. What type of reaction is this?

8. ## Precalc

Identify the graph of the equation. What is the angle of rotation for the equation? y^2+8x=0 is parabola 90 degrees correct? also Identify the graph of the equation. What is the angle of rotation for the equation? xy = -5 =hyperbola 45 degrees

9. ## Math

Identify the property. X(a-b)= ax- bx

10. ## Chemistry

a 40-year-old manger at a prominent legal firm in L.A experiences abdominal pain post lunch. He goes to the restroom a couple of times, but continues to experience pain and cramps. He evevtually decides to get himself examined. While questioning him, you

11. ## math

From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the opposite side of the runway are 6 degrees and 13 degrees, respectively. The points and the tower are in the same vertical

12. ## physics

what is the resistance of air gap in plug key in a circuit.

13. ## maths

) If * stands for -, /stands for +, +stands for *, then which of the following is TRUE? A) 32/14*6+40-8=44.8 B) 14*8/6+40-8=16.8 c) 32*6/14+32-8=9.9 D) 32/6*14+32-8=18.9

102. ## maths

I will be greatfull if you help me to solve the below problem: The minute hand of a clock is 12cm long. Find the area of the surface of the clock described by the minute hand in 35min.

103. ## geometry

2 identical cubes,each w/ volume 125 cubic cm,are placed side by side to form a rectangular prism.Find the surface area of the new solid?

104. ## Social Psychology

Aggression is verbal or physical behavior intended to cause harm. It is difficult to think that we participate in aggressive behavior, and yet we all do at some level and at some point in our lives. We know that no one theory is ever completely accurate in

105. ## maths

What is the quotient when (1/x - 1) is divided by (x-1) ?

106. ## arithmetic

1.1+2.2+3.3+4.4+5.5.............+100.100=?

107. ## physical science

If cathode ray is attracted towards north pole of magnet, then do negatively charged ebonite rod get attracted towards north pole?

108. ## computer science

what is meant by a computer virus?

120. ## Math

Hi - I'm finding this question a bit tricky and think I answered it wrong, can someone please verify for me? Many thanks.... In triangle EFG, find the value of f, if e = 7.3 cm, g = 8.7 cm and 

121. ## For Sam - re "Crossing the Bar"

http://www.jiskha.com/display.cgi?id=1313885018

122. ## Writing

can someone look at my previous post?

123. ## english

He ran quickly.But he could not overtake him.

124. ## math

A ramp 10 feet in length rises to a loading Platform that is 4 feet off the ground. What is the angle of elevation of the ramp in degrees? Do I use the law of cosines? When I do though I'm getting a little confused what to do.

125. ## English

My summer assignment includes the prompt: "What does the novel The Scarlet Letter say about the importance of one's personal culture?" How would I go about answering this? The question confuses me!!!

126. ## statistics

Suppose a chi-squared test has a degree of freedom of 10 and the level of significance is set at 0.05. What is the critical value?

127. ## math

wath 27+72 do not use pen,book,

128. ## hum 176 final part one

You are the chief editor of a large metropolitan daily newspaper. One of your reporters is caught fabricating sources and making up facts. How do you handle the situation, from disciplining the reporter to explaining it to your readers?

129. ## math

b^4-16by b-2 how to solve this problem?

130. ## maths

how to solve equations?

131. ## english

) He Is _ finest young player around at the moment A) A B) an C) the D) some