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Posts by Nico

Total # Posts: 45

MATHS
A company is a monopolist. The demand function for its product is as follows: Q = 60 – 0.4P + 6Y + 2A Where Q = quantity sold in units P = Price per unit Y = per capita disposal income (thousands of dollars) A = hundreds of dollars of advertising expenditures The firm&#...

Math
he ate 1/8 of the cereal then ate 1/6 of what was left next day. how much did he eat the second day

4th grade math
lana also bought 3 bags of whistles with 18 in each bag. when the party started, lana found that 19 of the party favors were broken. How many unbroken party favors were there? Explain the answer

math 4th grade
Bethany collected 0.7 inch of rain in her rain gauge. How many hundredths of an inch did she collect?

Maths
To answer this just round up all the didgets until you get to 2 dp So the answer would be 4.39

english comp
For sternberg, Don Juan's alleged serial sexual conquest illustrates: A)infatuation B)puppy love C)empty love D)fatuous love

geometry
There are two noncongruent triangles that have a 9-inch side, a 10-inch side, and that enclose 36 square inches of area. Find the length of the third side in each of these triangles.

Physics
In lacrosse, a ball is thrown from a net on the end of stick by rotating the stick and forearm about the elbow. If the angular velocity of the ball about the elbow joint is 26.5 rad / s and the ball is 1.35 m from the elbow joint, what is the velocity of the ball?

physics
A bus accelerates at 2.4 m/s2 from rest for 10 s. It then travels at constant speed for 25 s, after which it slows to a stop with an acceleration of magnitude 1.5 m/s2. (a) What is the total distance that the bus travels? (b) What was its average velocity? If possible, could ...

social studies
in the bahamas sorry about that

social studies
give a brief overview of accommodation, transportation, food and beverage in the tourism sector

Math
Oops! Thank You

Math
Is this a true statement? x+x+x+2+3=3x+5 I think this is could you tell me if I'm right? Big test comming! Thanks

calculus
to find value of x and discontinous 9x²-3x-2/3x²+13x-4

math
if you have a 4 kg block and divide it into 8 equal blocks. what will be the mass of each block in grams?

chemistry
I have the same problem too. I search google and I found that this question is taken from A-level practice question chemistry (higher 2).

vectors HELP!
determine an equation of the plane that is perpendicular to the plane x+2y+4=0, contains the origin, and has a normal that makes an angel of 30 degrees with the z-axis.

Math
6 boxes are left

calculus
what values do i plug in for t? do i have to guess and check?

calculus
Two particles move along the x-axis. For 0≤t≤6, the position of particle P is p(t)=2cos(t*π/4), while the position of particle R is r(t)=t^3-6t^2+9t+3. For 0≤t≤6 find all the times which the two particles travel in opposite directions.

calculus
what does your answer mean exactly?

calculus
A 12,000 liter tank filled to capacity at t=0 drains at rate r(t), measured in liters per hour, where r is defined as piece-wise function: r(t)={ (600t)/(t+3), [0,5] {1000e^(-0.2t), (5,infinity) Is r continuous at t=5? Show work that lead to you answer.

calculus
in the first line of equation, where did "cos(pi*t/30 * 119/120)" come from?

calculus
If the hands on a clocktower's clock are 2ft and 3ft long, how fast is the distance between the tips of the hands of the clock changing at 9:20? I know that the derivative of the minute hand is pi/30 rad/min and derivative of the hour hand is pi/360 rad/min. what is the ...

chem
if 12 L of a saturated solution of PbSO4 is found to contain 0.46g of PbSO4, what is the Ksp of PbSO4

chemistry
balancing redox reactions occured in the basic solution : Cl2 + SO2(g) --> Cl^- (aq) + SO4^-2(aq)

chem
if 225g of water at 44.5^ degrees absorbed 3.66kj of energy what is the final temperature of the water?

chemistry
using the metals aluminum and silver,give a diagram of a galvanic cell in a nitrate solution. include the anode and cathode half reaction, the cell voltage, the electron/ion flow.

chemistry
please can anyone answer this question.. i would really appreciate it :)

chemistry
balancing half reactions: ClO2^-1 --> Cl^-1

Math
3X(3+7X2)

physical chemistry
I'm going to start with the easiest ones and see how far I get. #5. 18 g is one mole. (a) I guess you meant to 0 degrees C? So, 70.391 x 20 = 1408 J (b) 6.01 kJ (c) 180 g is 10 moles. It would take about 15kJ to cool all of the warmer water down to the freezing point, and ...

Chemistry
Calculate the concentration, in molarity, of a solution prepared by adding 9 mL of water to 1 mL of 0.1 M HCl solution. If 2.0 mL of 0.010 M NaOH is mixed with enough water to make the total volume 8 mL, what is the molarity of the resulting solution?

Physics
3.23

Physics
1.What is the acceleration of a projectile when instantaneous vertical velocity is zero at the top of its trajectory?

Physics
Read your Notes jeje.. Hope this helps :)

PHY
inv tan of 0.68

geometry
the base of a right prism is a rhombus whose diagonals are 6 in and 8 in. The altitude of the prism measures 10 in. Find the lateral area and the total area of the prism.

geometry
find the lateral area and the total surface area of the right prism if the base of the prism is a right triangle whole legs meausure 5in and 12 in . and the altitude of the prism measure 8 in.

Grammar
ADJECTIVE LATELY ADVERB FAITHFULLY

Science
how do color, lustre, and composition of material affect how light is absorbed or reflected?

physics
A 2.8 kg air mattress is 2 m long, .5 m wide, & .1 m thick. What mass can it support in water before sinking?

Algebra 2
The values of the six trig. functions should be: sin(theta) = -4 ------- sqrt(41) cos(theta) = -5 ------- sqrt(41) tang(theta) = 4/5 csc(theta = sqrt(41) -------- -4 sec(theta) = sqrt(41) -------- -5 cot(theta)= 5/4

Math
If you are looking for the hypotenuse, then the equation that you should use is z=SQRT(x^2 + y^2), where both x and y are shorter than the z and ae adjacent to the right angly. However, if you are looking for one of the legs(either one of the shorter sides), then you must use ...

difference between 10k, 14k, 18k gold
have pendant that has on it 10k & co what does this mean??

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