# Posts by catherine

Total # Posts: 445

Math
The measure of one angle is described as twelve more than four time a number .

Statistics of Psychology
A population of N=6 scores ha EX=12 and Ex squared=54. What is the value of SS for this popluation

Calculus II
Hi, I can't seem to find out how to do this. My textbook has two Q(t) values in the example and I don't know how to interpret this problem. An institute finds that the average student taking Elementary Machine Shorthand will progress at a rate given by dQ/dt = k(85 ? Q...

Calculus II
I'm having trouble getting started. Steve said it's similar to another question I asked but I don't know how to begin. Any help? Suppose a cell of volume V cc is surrounded by a homogeneous chemical solution of concentration C g/cc. Let y denote the concentration ...

Calculus II
Hi Steve. Thanks for the reply! I'm having trouble getting started with it and would appreciate any help you could provide. Thanks!

Calculus II
Suppose a cell of volume V cc is surrounded by a homogeneous chemical solution of concentration C g/cc. Let y denote the concentration of the solute inside the cell at any time t and suppose that, initially, the concentration is y0. Fick's law, named after the German ...

Calculus II
Assume that the rate of change of the unit price of a commodity is propirtional to the difference between the demand and the supply, so that dp/dt = k(D-S) where k is a constant of proportionality. Suppose that D = 72-5p, S = 9 + 2P, and p(0) = 2. Find a formula for p(t).

If she gives 1/5 (25) to store A, that leaves 100 to distribute to stores B and C (50 each). Store A: 25 Store B: 50 Store C: 50 Total: 125

Math
Yes, I did see it. I guess I misunderstood. I take the total population which is 14657 and divide it by 2725 (for C). When I it equal, I get 5.3787155.. Do I take 5.3787155 and multiply it by 189? If so, I get 1016.577724... If I am not doing it right, what am I doing wrong? ...

Math
A small country consists of seven states; there are 189 seats in the legislature that need to be apportioned among the seven states; and the population of each state is shown, State A: 1283 State B: 2374 State C: 2725 State D: 2155 State E: 1592 State F: 2511 State G: 2017 ...

Math
Use the Hamilton method of Apportionment to make the assignment. In a recent census, Iowa's population in thousands was 4,503, Illinois' was 8,220, and Indiana's was 5,300. Allocate 31 members of the U.S. House of representatives to these three states. Possible ...

Math
A small country consists of seven states; there are 189 seats in the legislature that need to be apportioned among the seven states; and the population of each state is shown, State A: 1283 State B: 2374 State C: 2725 State D: 2155 State E: 1592 State F: 2511 State G: 2017 ...

Math
Use the Hamilton method of Apportionment to make the assignment. In a recent census, Iowa's population in thousands was 4,503, Illinois' was 8,220, and Indiana's was 5,300. Allocate 31 members of the U.S. House of representatives to these three states. Possible ...

MAth
Determine when the Hamilton method gives an Alabama paradox and who lost the representative. Increase the committee size by one seat at a time, starting from an 8-member committee. Given: City A, City B, and City C are cooperating to build a community center catering to the ...

GEOGRAPHY
ON A JOURNEY FROM NEWYORK TO LAGOS, TO CORRECT STANDARD TIME YOU MUST PUT THE HAND OF YOUR WATCH ......................

MATHS
SIMPLIFY SIN RAISE TO POWER 4 MINUS COS RAISE TO POWER4 DIVIDED BY 1 MINUS 2SIN RAISE TO POWER 2

maths
4 AND 5

Math
Simplify the radical by breaking the radicand up into a product of known factors. Exact Form: 15 ? 2 15 ? 2 Decimal Form: 21.21320343

Algebra
The height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed, the function gives a line With slope of —0.4. See the figure below. Suppose that the height of the candle after 11 hours is 22.6 centimeters. ...

Algebra
Thanks!!

Algebra
Dale invested his savings in two investment funds. The \$12,000 that he invested in Fund A returned a 1% profit. The amount that he invested in Fund B returned a 6% profit. How much did he invest in Fund B, if both funds together returned a 3% profit?

Economics
In 1997, the price of a particular basket of goods was \$2,900. In 1998, the price of the same basket was \$3,300. In 1996, the base year, the price of the basket was \$2,500. (Hint: price index is price indexed to a base year.) A. Calculate price index for 1996, 1997, and 1998. ...

proportion and percentages problem
how do you figure 8/9 percent

proportion and percentages problem
and so do you

proportion and percentages problem

proportion and percentages problem
in a town of 3375 inhabitants 8/9 per cent are ill with influenza. how many people is that?

Math
Dylan met his goal today of completing 85% of his field goal attempts. He made 51 field goal attempts. How many attempts has he made this season

During snack time at preschool, the teacher divided 3/5 of a gallon of milk evenly between 2 students. how much milk did each student get?

Social studies
Thanks!

Social studies
What is one major similarity between judaism and zoroastrianism? A. Both are based on the idea of a covenant with god. B. Both state that each individual has free will to do good or evil C. Both stress of the importance of judgement day and an afterlife D. Both were adopted by...

Wold History

MAth Trig
yeah the diameter is actually 165/π cm just multiply it next time glad i can help

science
Just multiply the optical fibres by the guiding liquid and you will get the answer for the glass block.

Ur wrong

FURTHER MATHS
SIMPLIFY 2LOG8 MINUS 3LOG2

KOREA
Korean schools however and school children are expected to learn 2,000 characters by the end of high school. In South Korea school children are expected to learn 1,800 hanja by the end of high school. The proportion of hanja used in Korean texts varies greatly from writer to ...

KOREA
Korean 한글자모 / 조선글 Korean is spoken by about 63 million people in South Korea, North Korea, China, Japan, Uzbekistan, Kazakhstan and Russia. The relationship between Korean and other languages is not known for sure, though some ...

1 star* at the end of each question and multiple stars*** at the end of my answer 1. Which laws called for strict separation of the races in the South? * anti-discrimination laws Plessy v. Ferguson laws Jim Crow laws**** Boycott Laws 2. All of the following were results of the...

Chemestry
A 5.000g sample of a dry mixture of potassium hydroxide, potassium carboate and potassium chloride is reacted with 0.100 L of 2.00-molar HCl solution. A 249.0 mL sample of dry carbon dioxide gas, measured at 22.0 degree Celsius and 740.0 torr, is obtained from this reaction. ...

Physics
A 0.32 kg box of macaroni is held in place at the front of a 3.31 kg shopping cart only by the force of static friction as the shopping cart accelerates. Determine the minimum acceleration, in m/s 2, that the shopping cart must have if the box is to be kept from falling if the...

Physics
A particular Ferris wheel takes you through one complete revolution every 25.3 seconds. If the radius of the Ferris wheel is 10.4 m, and your mass is 63.3 kg, calculate: (a) Your apparent weight, in N, when you are at the top of the Ferris wheel. (b) Your apparent weight, in N...

Physics
A 2 kg block is resting on a 37 degree frictionless inclined plane, attached by a string to a frictionless pulley at the top of the plane, over which a second mass of 3.3 kg hangs down. Find the magnitude of the hanging mass’s acceleration.

Physics
A powered model airplane of mass 1.7 kg is tied to a ceiling with string and allowed to fly at speed 0.21 m/s in a circular path of radius 0.86 m while suspended by the string which makes a constant angle with respect to the vertical. (a) What is the angle, in degrees, that ...

Physics
A 410 kg race car is rounding a curve in the road which is banked at an angle of 23.4 degrees from the horizontal. Assume that there has just been a massive snowfall and the road’s surface is frictionless. What must the radius of the curve be if the car is travelling at a...

Physics
A small disc of mass 0.7 kg is attached to a string on a frictionless table top. The string passes through a small hole in the centre of the table and is attached to a mass of 0.68 kg suspended below the table and above the floor. The disc can thus move in a circular path with...

Physics
A 570 kg truck is carrying a large 1.9 kg box on its cargo deck when it starts to accelerate. If the coefficient of static friction between the box and the truck’s deck is 0.26, what is the maximum acceleration, in m/s 2, that the truck can have without letting the box slip?

Math
First you do Base X Height 18 x 12= 216 Because it's a squared pyramid you divide 216 by 2 216/2 = 108. (set aside) ___________________________________ Then you Multiply 108 by 4 because there are 4 triangular faces. 108 X 4 = 432 (area of height) ...

math
in greatest to least what is 0.1 0.125 and 0.12? i cant figure it out i think you need to convert to fractions im just not sure.

math
80

Chemistry
If you reacted 100.0 g of carbon tetrachloride (CCl4) with excess antimony fluoride (SbF3), how many grams of carbon dichloride difluoride would be produced?

Math
Did you finish the test ?

Please check these over and see if any are incorrect? 1. The units of speed are: a) m/s ---> my answer b) m/s^2 and direction c) N d) m/s and direction 2. Which of Newton's Laws says you cannot touch anything without being touched? a) 4th b) 2nd c) 1st d) 3rd ---> my...

Physics
A wet bar of soap slides down a ramp 9.4 m long inclined at 8.0âˆ˜ . How long does it take to reach the bottom? Assume Î¼k = 0.064.

Maths
If alpha amd beta are zeroes of polynomial x^2+8x-6 form the polynomial whose zeroes are 1 /2alpha and 1/2beta.

Science
It is very simple just subtract the final volume from the initial volume, you will get the volume of the solvent that you add to the make the solution dilute (V2 - V1). If you do not know how to find the final volume, then you need to use the formula C1V1 = C2V2 Substitute all...

math
1. A 2. C 3. C 4. D

math
at the video store where you work the dvd cases are 5/8 of an inch wide. New shelf units are available that have 6 40-inch shelves. How many dvd should fit on a 6-shelf unit?

PHYSICS
1.) 10cm

English
angie???????????????????

Physics
A car is going 18.3 m/s down a road. At time t=0s, a squirrel runs in front of the car 36 meters away. It takes the driver t=0.67s to slam on the brakes, but after that , the brakes offer a frictional force F(fr)=21000N. Her car masses at 1860 kg. a) How far does the car ...

life orintation
topic is campaign with responsibility

Chemistry
I already figured out the answer for b) However, can anyone helps me with a)?

Chemistry
Step 1: A 12.70mL sample of cyanide solution was mixed with 25.00mL of a solution of nickel ions at an appropriate pH to form the Ni-cyanide complex. The resulting solution was titrated cs 0.0130M EDTA and required 10.10mL to reach the end point. Step 2: Then 30.00mL of the ...

Analytical Chemistry
No, I am sorry. This is the first time I have posted this question. Where can I find the similar question?

Chemistry
Given that 12.25 g of aluminum sulfide is reacted with excess water. How many grams of aluminum hydroxide can be obtained? The molar mass of aluminum sulfide is 150.0 g and the molar mass of aluminum hydroxide is 78.0 g.

Chemistry
Suppose 0.500 g of sulfur combines with 1.00 g of copper. What is the empirical formula of the compound? The atomic mass of sulfur is 32.065 g and the atomic mass of copper is 63.546 g.

chemistry
When you add 0.320 g of sodium metal to an excess of hydrochloric acid, you find that 3330 J of heat are produced. What is the enthalpy of the reaction as written below? 2Na(s) + 2HCl(aq) --> 2NaCl(aq) +H2(g

Math
How do you go about solving this? If you got paid \$15 for 3 hours of work one day and \$45 for 8 hours of work on another day, find your hourly rate of pay for the 2 days

science
an arrow is fired directly horizontal off a cliff that is 10.0 meters tall with a velocity of 65.5 m/san arrow is fired directly horizontal off a cliff that is 10.0 meters tall with a velocity of 65.5 m/s. How long is the arrow in the air?

calculus
A trough is 9 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x4 from x=−1 to x=1 . The trough is full of water. Find the amount of work in foot-pounds required to empty the trough by pumping the water...

Yep! 100% , 4/4 <3

International students
Just multiply it.

Chemistry
How do you set up this problem? Calculate the volume , in ml of a 0.150 M NaOH soulution needed to neutralize 25.0ml of a 0.288 M HCl solution?

Chemistry
Calculate the mass of NH4NO3 salt that should be combined with 100.0 mL of water to obtain a temperature decrease of exactly –15.0C? Delta H of the solution = 24.13 Ccal = 21.12 Csh2o = 4.18 average Qrxn = 1151.6 I don't understand how to solve it

Science 8
A copper bracelet is placed in a graduated cylinder full of water. The water level rises from 15.6 ml to 28.0ml. The mass of the bracelet is 101.7g. Is the bracelet made of pure copper? How would I know? How would I explain?

statistics
It is known that 10 % of a school's athlete population uses drugs. The Athletic Director gives a drug test which registers correctly as positive in 82 % of the cases where the drug is present and correctly as negative in 96 % of the cases where the drug is absent. One ...

Language Arts
What is the theme of the book catching jordan?

math
1. He wants 1/2 pound of chicken so one complete serving. The remainder is 1/4, half of a half is one fourth so the answer is 1 and a half servings. 2. (n ×3/2) ×2 n being the original amount the recipe calls for 3. Use the formula to solve 4.yes oregano, no for ...

math
This is a floor plan of a building that is 8m tall. It has a flat roof. What is the surface area of the building including the roof. The floor plan is starting from the left the side is 18m the bottom is 27m the right side is 22m. The top looks weird butits like three sections...

math
The cost of a DVD is \$18.75. Added to this cost is 12% before tax fee. 5% GST, 7% PST. What is the total cost?

math
The cost of a DVD is \$18.75. Added to this cost is 12% before tax fee. 5% GST, 7% PST. What is the total cost?

economics
A monopoly firm is faced with the following demand function P = 13 – 0.5Q The Marginal Cost function for the firm is given by 3 + 4Q and the total fixed cost is 4 Determine 1. The the profit maximizing output 2.The level of supernormal profit if any 3. The output level at...

Shurley English

computer assisted legal research part 2
There seems to be 2 answers to #11 of exam #00803701. Not sure which one to use

us history
Explain how wwII promoted an awareness of the links between racism in the US and coloniasm around the world. (in a long essay please)

Physics
Water is boiled by burning coal. The resulting steam blows agains huge turbine blades. The turning blades spin in a magnetic field, producing electricity. Describe in order the energy conversions.

Physics
If the fundamental frequency of an 70 cm long guitar string is 470 Hz, what is the speed of the traveling waves?

Math
The measure of one angle is described a number

Maths literacy,life science,geography and economics
i wanna know which career path i cn work

Physics
The acceleration of a particle moving only on a horizontal xy plane is given by , where is in meters per second-squared and t is in seconds. At t = 0, the position vector locates the paticle, which then has the velocity vector . At t = 3.60 s, what are (a) its position vector ...

Physics
A severe thunderstorm dumped 2.4 in of rain in 30 min on a town of area 35 km2. What mass of water (in kg) fell on the town? One cubic meter of water has a mass of 103 kg.

Physics
Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and are made of silicon dioxide, which has a density of 2.4 × 103 kg/m3. What mass of sand grains would have a total surface area (the total area of all the individual ...

math
Kim decided she want to put a continuous trim along the top of the walls around the 10 ft. by 10 ft. rectangular room. How long a piece of trim must she buy?

SCIENCE (Drugs)
Dopamine. The neurotransmitter plays an important role in addiction, and acts as adrenaline and affects the ability to feel pleasure and pain, emotional response and movement control. Drugs can affect these abilities by either stimulate or fail to stimulate the receptors of ...

1. Carmen Santiago works for a number of businesses as a “consultant.” She has helped design accounting systems, provided accounting services, and analyzed the financial strength of her clients’ businesses. Carmen is working as a A. public accountant. B. ...

K math
What is the factor of 2?

Calculus
Given a power function of the form f(x)=ax^n, with f'(3) = 14 and f'(6) = 28, find n and a.

Literature
What does this poem mean? What is th symbolism? Literary devices? Nothing Stays Put Amy Clampitt The strange and wonderful are too much with us. The protea of the antipodes--a great, globed, blazing honeybee of a bloom-- for sale in the supermarket! We are in our decadence, we...

MATH
For each of the following angles, find a coterminal angle with measure (theta symbol) such that 0 degrees is greater than or equal to theta symbol < 360 degrees. a) -100 degrees. I really do not understand how to work this problem and I need help

Math
For each of the following angles, find a coterminal angle with measure (theta symbol) such that 0 degrees is greater than or equal to omega symbol < 360 degrees. a) -100 degrees. I really do not understand how to work this problem and I need help.

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