Tuesday
September 1, 2015

Posts by anonymous


Total # Posts: 83,721

Science
A biologist determines that a lizard's body temperature is 29 degrees C. Which of the following correctly describes the biologist's data? a) it is a qualitative observation b) it is a quantitative observation*** c) it is a prediction d) it is a classification
August 25, 2015

Science
thx
August 25, 2015

Science
You walk into the kitchen and see a broken egg on the floor. Which of the following is an inference you can make based on this observation? a) The egg rolled off the kitchen counter*** b) the dog will eat the egg off the floor c) there are pieces of broken eggshell on the ...
August 25, 2015

math
Thanks man
August 25, 2015

math
-12 ÷ 3 x ( -8 + (-4)^2 - 6 ) + 2 how do you simplfy this expression?
August 25, 2015

Maths
The sum of the 8 terms of a GP is 5 times the sum of first 4 terms. Find the common ratio.
August 25, 2015

Math
The sum of the length, width, and height of a box is 80 cm. The length is 10 cm less than twice the sum of the width and the height, and twice the width exceeds the height by 6 cm. Find the height of the box.
August 25, 2015

Physics
When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 3.6 m/s^2 as it slows from 8.5 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s.
August 25, 2015

Physics
A car travels in a straight line for 2.9 h at a constant speed of 77 km/h . What is its acceleration? Answer in units of m/s^2
August 25, 2015

English (3rd grade)
How to analogies eighteen even thirty three
August 25, 2015

Math
explain how you know that in ? x 6.273 = 6.273. THe ? will be 1.
August 24, 2015

Math
Nancy collects plastic banks. He has three different banks a pig a cow and a horse. How many ways can Yancey arrange his banks on a shelf?
August 24, 2015

geometry
A globe has a diameter of 24 inches. A smaller globe has a diameter of 18 inches. What is the surface area volume ratio of the smaller globe
August 24, 2015

English
We were pleasantly surprised to see that she completed the difficult task we had given her with neatness and (irk, dispatch)
August 24, 2015

geometry
A family is getting a doghouse for their dog. The doghouse is proportional to their own house, which is 115 feet long and 65 feet wide. The scale is 0.04. What is the length of the doghouse?
August 24, 2015

Milton mpfumedzeni life orientation grade 11
To wich bad road use has a direct impact on the physica,l social and economic aspects to the family the community and the country
August 24, 2015

life science
Two breaking tubes,two drnking staws,clear lime water
August 24, 2015

Word problems
hmmm. yeah. I wonder how I (a) got that answer, and (b) didn't immediately notice that it made no sense. Anyway, Rachel, you can see how to fix it and get the right answer. Unlike me, check it for consistency!
August 23, 2015

Math
F(x) = x^2 +1 , x cannot equal 2 F(x)= 3 , x=2 What is the limit of f(x) as it approaches 2?
August 23, 2015

Calculus
If 2 < or = to f(x) < or = to x^2 + 2 for all x, find the limit of f(x) as it approaches zero.
August 23, 2015

Calculus
F(x)=(2x-1)/ (|x| -3) Rewrite f(x) as a piecewise function. Then find the limit as it approaches positive infinity and negative infinity.
August 23, 2015

Math
If a population grows at 8% per year, how long will it take the population to double?
August 23, 2015

Math
If the current population is 7,361,920,000 and grows at approximately 1.14% per year, what will the human population be this time next year?
August 23, 2015

Math
If the current population is 7,361,920,000 and grows at approximately 1.14% per year, what will the human population be this time next year?
August 23, 2015

Math
If a city of 10,000 experiences 60 births, 35 deaths, 40 immigrants and 25 emigrants in a single year, what is the city's population growth rate?
August 23, 2015

Computer science
77c
August 23, 2015

Introd to Stat
A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of distributions are normal distribution, is there evidence that the treatment is effective? Cholesterol Decreased No Cholesterol Decrease Total Treatment 38 ...
August 23, 2015

Calculus
If 2 < or = to f(x) < or = to x^2 + 2 for all x, find the limit of f(x) as it approaches zero.
August 23, 2015

Calculus
If 2 < or = to f(x) < or = to x^2 + 2 for all x, find the limit of f(x) as it approaches zero.
August 23, 2015

Calculus
F(x)=(2x-1)/ (|x| -3) Rewrite f(x) as a piecewise function. Then find the limit as it approaches positive infinity and negative infinity.
August 23, 2015

calc
A car travels along a straight road for 30 seconds starting at time t = 0. Its acceleration in ft/sec2 is given by the linear graph below for the time interval [0, 30]. At t = 0, the velocity of the car is 0 and its position is 10. What is the velocity of the car when t = 6? ...
August 23, 2015

life orientation
To which bad road use has a direct impacton the physical, emotional, social and economic, Aspects to the family, the community and the country.
August 23, 2015

calculus: don't even no where to start from need help plz
2X+4x =6x
August 23, 2015

Calculus
Find the limit as it approaches zero. ( f( x + change in x) - f(x) )/ change in x given f(x)=2x-5. ( change in x = triangle x)
August 23, 2015

Calculus
Graph the function f(x)= x sin( 1/x) and the equations y=|x| and y=-|x| in the same viewing window on your calculator. Then use the squeeze therom to find the limit of f(x) as it approaches zero. I graphed the function and equations, but I am confused on how to find the limit ...
August 23, 2015

Math
Sorry it was: √2x/9.81= √(300+x)^2+60^2/150
August 22, 2015

Math
Find x √2x/9.81= √(300+h)^2+60^2/150 Thankyou!
August 22, 2015

Physics
A clown at a birthday party has brought along a helium cylinder, with which he intends to fill balloons. When full, each balloon contains 0.00280 m3 of helium at an absolute pressure of 1.20 x 105 Pa. The cylinder contains helium at an absolute pressure of 2.90 x 107 Pa and ...
August 22, 2015

math
156.1 is 70% of what number?
August 22, 2015

calc
The velocity of a particle moving along the x-axis is v(t) = t2 – 2t, with t measured in minutes and v(t) measured in feet per minute. To the nearest foot find the total distance travelled by the particle from t = 0 to t = 3 minutes..
August 22, 2015

Physics
In a house the temperature at the surface of a window is 22.3 °C. The temperature outside at the window surface is 2.82 °C. Heat is lost through the window via conduction, and the heat lost per second has a certain value. The temperature outside begins to fall, while ...
August 22, 2015

physics
two small kids weighing 10kg and 15kg are trying to balance on a seesaw of total length 5 m with the fulcrum at the centre. if one of the kids is sitting at an end where should the other sit?
August 22, 2015

algebra
99
August 22, 2015

Math
nope, try c.
August 21, 2015

Physics
energy is proportional to temp to the forth power. fourth root of 81 3^4=81
August 21, 2015

Physics
The Kelvin temperature of an object is T1 and the object radiates a certain amount of energy per second. The Kelvin temperature of the object is then increased to T2, and the object radiates 81 times as much energy per second as it radiated at the lower temperature. What is ...
August 21, 2015

Math
50% Rule: The repackaged vial or unit dose must have an expiration date placed on it; but it is not the same expiration date as what is on the stock bottle. You must take the date on the stock bottle and write the half way date between today’s date and the expiration date...
August 21, 2015

Math
Sammy has fifty coins in his pocket that add up to one dollar. how many coins of each denomination are in sammy's pocket?
August 21, 2015

Geography
1. Piedmont and Blue ridge 2. Costalplain and Piedmont
August 21, 2015

Geography
the fall line divides which two physiographic regions
August 21, 2015

Physics
A man can swim in still water at a speed of 3km/hr.He wants to cross the river that flows at 2km/hr and reach the point directly opposite to his starting Point.find the angle if his body makes with the river flow.
August 21, 2015

Geography
Thanks
August 21, 2015

Geography
in 3-5 sentences, provide brief description of the Okefenokee Swamp, its creation as a national wildlife refuge, and its importance for biological diversity in the state.
August 21, 2015

Integration
think of it as (x-)^(-1/2) looks like (2x-1)^(1/2) + c or sqrt(2x-1) + c to me
August 21, 2015

Math- Need Help
You apparently multiplied the first equation by 3 and the 2nd by 4. Your first should have been 15x + 12y = 15 and then 16x + 12y = 20 subtract them x = 5 back into the first: 5x+4y=5 25+4y=5 4y = -20 y = -5 your line of 31x/31= 38/31 makes no sense. Looks like you added the ...
August 21, 2015

llinear programming
Mountain Laurel Vineyards produces three kinds of wineMountain Blanc, Mountain Red, and Mountain Blush. The company has 17 tons of grapes available to produce wine this season. Acask of Blanc requires 0.21 tons of grapes, a cask of Red requires 0.24 tons, and a cask of Blush ...
August 21, 2015

Algebra 1
Your cousin is eight years older than your brother three years ago your cousin was twice as old as your brother how old is your cousin now how old is your brother now
August 21, 2015

math
Water is poured into a right circular cone with a height of 10 cm and diameter of 8 cm until it is three-fourths full. All this water is then poured into an empty cylindrical container with a radius of 5 cm and height of 9 cm. What is the height of the water in the cylinder?
August 20, 2015

Math
-3 * 1/4
August 20, 2015

math
Is (x+y)2 equal to (x2+y2)? Explain why or why not using an example to support your answer.
August 20, 2015

Science
In a scientific experiment, facts, figures, and other evidence gathered through observations are called? A. Data(?) B. Manipulated Variables C. Responding Variables D. Laws
August 20, 2015

The Chemistry of Life Quiz // Just Answers please
did you figure out if they were right or not?? I have the same answers but I'm afraid I'm wrong.
August 20, 2015

Math
The present ages of a man and his wife are as 6:4. Five years ago their ages were in the ratio 5:3. What is the age gap of the couple?
August 20, 2015

science
I need help with an acrostic poems or name fororn for lab sa
August 20, 2015

algebra
Slope-intercept form y = mx + b (y-y1)/(x-x1) = (y2-y1)/(x2-x1) m = (y2-y1)/(x2-x1)
August 20, 2015

database
ERD of _ A patient can make many appointments with one or more doctors in the clinic, and a doctor can accept appointments with many patients. However, each appointment is made with only one doctor and one patient. _ Emergency cases do not require an appointment. However, for ...
August 20, 2015

Math
14-2.6+9
August 20, 2015

Mathematics
A company manufactures two products X and Y by means of two processes A and B. The maximum capacity of process A is 1750 hours and of process B 4000 hours. Each unit of product X requires 3 hours in A and 2 hours in B, while each unit of product Y requires 1 hour in A and 4 in...
August 19, 2015

Calculus
(3x |x-2|) / x-2 What is the limit as x approaches 2 from the left side?
August 19, 2015

math
ek sankhya a b se 40% kam hai b a se kitne pratisat adhik hai
August 19, 2015

crj220
Taking what appears to be moral behavior and explaining it instead in terms of self-interest is a strategy known as
August 19, 2015

Calculus
(2x + sin x)/x What is the limit as x approaches zero?
August 19, 2015

Algebra 2
A store has sales of $500 in their first month. If sales increase at a rate of $10 each month, they can be modeled by this equation: es002-1.jpg Use summation notation to model and evaluate the sales for the first ten years. Explain your steps.
August 19, 2015

Math
Raquel is mowing her rectangular lawn. The area of her lawn is 800 sq.ft The width of her yard is twice as long as the length of the yard. How wide is her yard? How long is her yard?
August 19, 2015

Physics
5. A skier wearing a fully-body ski suit of surface area 1.8 m2 is losing heat by convective and radiation processes off the surface of the ski suit at a rate of 95 W. Given that the suit is filled with goose down 15 mm thick with a thermal conductivity of 0.025 Wm−1K&#...
August 19, 2015

Physics
A concert hall of volume 2000 m3 contains air at a temperature of 25 ◦C and relative humidity 80 %. Given that the density of water vapour in saturated air at 25 ◦C is 22.8 g/m3 and that the temperature and pressure of the concert hall remain constant what mass of...
August 19, 2015

Linear Systems and Statistics
A camera store sells 40 pairs of binoculars per week on average with a standard deviation of 6. What is the probability that the store will sell more than 52 pairs binoculars in any week? 8.28% 3.57% 7.24% 2.28% 4.55%
August 19, 2015

Math
NVM its the 3rd choice i got it!!
August 19, 2015

Math
The mass of Pluto is approximately 1 × 1022 kg, while the mass of Neptune is approximately 1 × 1026 kg. Which of the following is true? The mass of Pluto is approximately one thousand times that of Neptune. The mass of Neptune is approximately one thousand times ...
August 19, 2015

Math
(05.01)A scale drawing of a living room is shown below: A rectangle is shown. The length of the rectangle is labeled 3 inches. The width of the rectangle is labeled 5.5 inches. The scale is 1 to 30. What is the area of the actual living room in square feet? Round your answer ...
August 19, 2015

Physics
A bird watcher meanders through the woods, walking 1.07 km due east, 0.533 km due south, and 4.62 km in a direction 50.1 ° north of west. The time required for this trip is 1.451 h. Determine the magnitudes of the bird watcher's (a) displacement and (b) average velocity.
August 19, 2015

physics
A boy runs 10.3 blocks North, 6.1 blocks Northeast, and 5 blocks West. Determine the length of the displacement vector that goes from the starting point to his final position. Determine the direction of the displacement vector. Use counterclockwise as the positive angular ...
August 18, 2015

Math dimensional anaylsis
3 ft= 1yd 9*3= 27ft 1hr=60min 3hr=180min 27ft/180min simplify 3ft/20min
August 18, 2015

English
446
August 18, 2015

Environmental Conservation
Pay attention in Geography 121 and you would know
August 18, 2015

cp biology
like how u help otheRS?
August 18, 2015

introduction to computers
you need to install an operating system on a computer that will be sharing files for the company employees. You estimate there eill be as many as 15 users accessing these files at one time. Which operating system is ideally suited for this machine?
August 18, 2015

introduction to computers
how do you access the context menu for a desktop or a file in windows explorer
August 18, 2015

Algebra
y=(x^2 + 2)/ (3x^2 - 5) Is the asymptote at x= sqrt. 5/3 y=o
August 18, 2015

Algebra
Simplify: ∜(8/9a^3) The answer key says 648/(a^3)^(1/4). ??????????
August 18, 2015

Physics
How Much Work Is Done Against Gravity In Sliding A 500g Object Through 2m Up A Smooth Plane That Is Inclined 30degree To The Horizontal(g=9.8)
August 18, 2015

physics
72
August 17, 2015

physics
An airplane passenger has 150 ml of air in his stomach just before the plane takes off from a sea level airport where the pressure is 1 atm. What volume will this air have at a cruising altitude where the pressure in the man’s stomach has equalized with the cabin pressure...
August 17, 2015

Algebra
Simplify. (8/9a^3)^(1/4)
August 17, 2015

math
If the angles of a triangle arc in the ratio of 5:6:7, the triangle is Acute Obtuse Right Isosceles Equilateral
August 17, 2015

PHYSICS
A hypothetical planet has a mass 1.49 times that of Earth, but the same radius. What is g near its surface?
August 17, 2015

math
Find the length of the line segment joining the points whose coordinates are (-3,1) and (5,-5)
August 17, 2015

chemistry
Ethane burns in limited supply of air to give carbon monoxide. What would be the balanced equation for it?
August 17, 2015

Geography
Thanks
August 17, 2015

Geography
Which of the following rivers drains into the Atlantic and provides a major international port for Georgia? 1. Flint 2. Cossa 3. Altamaha 4. Savannah
August 17, 2015

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