# Posts by Suzan

Total # Posts: 38

Math
The angle "a" on the unit circle, formed when the segment that connects the origin to point P ( square root of 2 / -2; square root of 2 / -2) meets the positive x axis, can be written as 10P/a radians. What is the value of a?

Math
ax+by=16 3x+2y=64 In the system of equations above, a and b are constants. If the system has infinitely many solutions, what is the value of ab?

Math
An angle opposite of a leg of a right triangle measures w, and tan(w)= 3/4. What is sin(90-w)?

Math
If 2b^2 - 12 = 60 and b > 0, what is the value of b?

Math
A history quiz consists of 60 points and contains questions that ate either true/false or multiple-choice. If a true/false question is worth 3 points and a multiple-choice question is worth 8 points, and the quiz has at least one question of each type, what is a possible ...

Algebra
Kyle has 13 coins in his pocket that are either quarters or nickels. He has \$2.05 in his pocket in coins. Let q represent the number of quarters and n represent the number of nickels. The following system of equations represents this situation: q+n=13 0.25q+0.05n=2.05 How many...

math
on a 1-8 numbered spinner, how do I find an even number or a number greater than 6?

social studies
how did the treaty of greenville affect the land claims of native american

pre algebra

Satistics
Monthly incomes of employees at a particular company have a mean of \$5954. The distribution of sample means for samples of size 70 is normal with a mean of \$5954 and a standard deviation of \$259. Suppose you take a sample of size 70 employees from the company and find that ...

Math
the answer to question 8 is b.

physics
Consider nitrogen gas, N2, at 27.7°C. What percentage of nitrogen molecules have a speed within 1.00 m/s of the most probable speed?

PHYSİC
One end of a metal rod is in contact with a thermal reservoir at 745 K, and the other end is in contact with a thermal reservoir at 105 K. The rod and reservoirs make up a closed system. If 7030 J are conducted from one end of the rod to the other uniformly (no change in ...

physics
An ice cube at 0°C measures 14.1 cm on a side. It sits on top of a copper block with a square cross section 14.1 cm on a side and a length of 18.9 cm. The block is partially immersed in a large pool of water at 89.3°C. How long does it take the ice cube to melt? Assume...

physics
A sinusoidal wave on a string is described by the equation y = (0.191 m) sin (0.745 x - 42.9 t), where x and y are in meters and t is in seconds. If the linear mass density of the string is 11.7 g/m ... a) ... determine the phase constant. b) ... the phase of the wave at x = 2...

PHYSİC HELP
A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a vertical ...

Physics HELP!!!!!!!!
I converted from 1 atm to Pa, then I found answear 28107.55 J, but answear not correct..

Physics HELP!!!!!!!!
Suppose 0.021 mole of an ideal monatomic gas has a pressure of 1.00 atm at 273.15 K and is then cooled at constant pressure until its volume is reduced by 41.1 %. What is the amount of work done by the gas?

university physic
A cryogenic storage container holds liquid helium, which boils at 4.20 K. Suppose a student painted the outer shell of the container black, turning it into a pseudo-blackbody, and that the shell has an effective area of 0.487 m2 and is at 3.01·102 K. a) Determine the ...

Physic
Please urgent help me A cryogenic storage container holds liquid helium, which boils at 4.20 K. Suppose a student painted the outer shell of the container black, turning it into a pseudo-blackbody, and that the shell has an effective area of 0.487 m2 and is at 3.01·102 ...

physics
very thanks

physics
Please help me !!! for solution of this question Water enters a horizontal pipe with a rectangular cross section at a speed of 1.00 m/s. The width of the pipe remains constant but the height decreases. 27.3 m from the entrance, the height is half of what it is at the entrance...

physics
Water enters a horizontal pipe with a rectangular cross section at a speed of 1.00 m/s. The width of the pipe remains constant but the height decreases. 27.3 m from the entrance, the height is half of what it is at the entrance. If the water pressure at the entrance is 2921 Pa...

economic
What are three types of "land", "labor", and "Capital?"

History
I am dearly sorry for the name confusion. My sister Suzan, and my brother Leonardo, and I are sharing a computer for this website. Mark is a person I do not know but he is the guy who answered your question for my statement of why I think supply and demand was the most ...

History
That is not me that was a different person answering your question. And oh ok that makes sense, but today people do.

ashford
Delta Inc. offers to sell Omega Corp. a packaging machine. Omega responds “We’ll take it but only if there is a six-month warranty.” Which of the following is true? (Points : 1)

ashford
Royal Hotel Inc. verbally orders 100 sets of sheets and pillowcases, each to be embroidered with the chain’s coronet logo, for \$1,000, from Textile Inc. Textile starts on the order and has completed 45 sets when Royal calls back and cancels the order. Which of the ...

life orientation
what are 5 ways in which the human or environmental problem impacts on the community?

Ochem
Identify the following compound from its IR and proton NMR spectra. C6H10O: NMR: 3.31 (3H, s); 2.41 (1H, s); 1.43 (6H, s) IR: 2110, 3300 cm^-1 (sharp)

algebra
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.7 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)

Identifying Furniture Styles & Periods
1. Which one of the following elements is characteristic of Gothic furniture? A. Melon-bulb turnings B. Tracery designs C. Carving of acanthus leaves D. Animal shapes 2. A sideboard is a A. type of card table. B. drop-leaf table. C. chest of drawers. D. dining room serving ...

Math
8 divided by 4-2+5 divided by 3+10 divided by 24 divided by 2+10-16 divided by 2 =0 Put brackets around numbers to make sentance true.

Ap Chem
At 200K, the particles of gas X have an average velocity equal to that of Argon at 400K. What is the identity of X? He CO HF HBr F2

Chemistry
A student adds 4.00g dry ice(Co2(s)) to an empty balloon after the dry ice sublimes and comes to STP?

Chemistry
Kd=co/ca 1=( x/25 ml)/(5-x)/100ml X=1 5-x = 4

ethnics help
Basically Orientalism = Xenophobia an unreasonable fear or hatred of foreigners or strangers or of that which is foreign or strange.