Wednesday
August 31, 2016

Posts by Anonymous

Total # Posts: 99,031

government
what states supported the new jersey plan
August 19, 2016

calc
Suppose the marginal cost is C′(x) = e^−0.3x , where x is measured in units of 200 items and the cost is measured in units of $10,000. Find the cost corresponding to the production interval [200, 1,000]. Round to the nearest dollar.
August 19, 2016

Maths
A bag contains marbles of three different colours red, blue , yellow. 2/5 of the marbles are red. The ratio of the number of blue marbles to the number of yellow marbles is 5:7. What fraction of the marbles in the bag is blue? There are 54 more red marbles than blue marbles. ...
August 19, 2016

Math
How do u simplify ab to the 3rd power over b to the 2nd power
August 19, 2016

Language Arts, someone check please?
So, the first one is A?
August 18, 2016

High Agility Math
Juan has twice as many brothers as sisters. His sister Maria has 5 times as many brothers than sisters. How many children are in the family?
August 18, 2016

chemistry
A
August 18, 2016

History
Thanks
August 18, 2016

History
Explain why you believe South Carolina is a “melting pot,” a “tossed salad,” or both. Explain the difference between the melting pot and tossed salad metaphors in your answer. Be sure to reference the people and communities of South Carolina in your answer...
August 18, 2016

Social Studies (check my answers))
1. c 2. b
August 18, 2016

math
find the derivative of g (theta)=sine squared (3 theta)
August 18, 2016

maths
At the sleep over, the pizzas were in thirds. Sally and her hungry friends ate seven thirds. How much pizza did they eat?
August 17, 2016

Math
9
August 17, 2016

L.A., Please Check
The 3rd one is B
August 17, 2016

Math
Suppose you are taking a true-false test consisting of 5 questions. In how many ways can you answer the question?
August 16, 2016

Life Orientation
I want answers not questions I got them
August 16, 2016

Life Orientation
I want the answer of the selected question
August 16, 2016

Life Orientation
1: inhumane farming methods
August 16, 2016

perfect number
I need two perfect numbers. For my activity,I should submit it tomorrow please help me. I need now. Please
August 16, 2016

Spanish
.
August 15, 2016

Social Studies
the answer is B
August 15, 2016

Social Studies
the answer is D
August 15, 2016

Social studies
would you happen to be working on a homeschooling program too? XD
August 15, 2016

Science
An aeroplane flying in the air dips with a speed of 360 km per hr in a vertical circle of radius is 200m the weight of the pilot sitting in it 75kg calculate the force with which the pilot presses his seat and plane is at lowest point and plane is at highest point
August 15, 2016

simple harmonic motion
a simple harmonic motion is represented by x=4sin[3t+3.14/4].find the angular frequency and amplitude and what is the velocity and acceleration at t=1 second.
August 15, 2016

if the difference of two positive integer is 4,and
if the difference of two positive integer is 4,and the difference of their square is 80,what is the sum of ? I'm
August 13, 2016

Math
24
August 13, 2016

Mechanical Vibration
nice ka jid. hahahaha
August 13, 2016

Maths
The graph of a quadratic is a parabola. A parabola has a max or min at the vertex. If the coefficient of x^2 is + it has a min (holds water), Otherwise a max. so find the vertex if y = ax^2 +bx +c then to find zeros you do x = [ -b +/- sqrt(b^2-2ac) ]/2a symmetry (center of ...
August 12, 2016

car rental agency
company a- $30/day 22cents/mile company b- $28/day 26 cents/mile For a 2-day rental, at what number of mile will the two companies charge the same. Steps please
August 12, 2016

Algebra 1
THINK square root of 2 (about 1.414213562) can NOT be expressed as a ratio of two whole numbers square root of ten can NOT be expressed as ratio of two whole numbers THEREFORE square root of two * square root of ten which is square root of twenty can NOT be expressed as the ...
August 12, 2016

Algebra 1
To which subset(s) does the number –square root of twenty belong? Choose all that apply. (Irrational Numbers (Rational Numbers*** (Integers*** (Whole Numbers (Natural Numbers The maximum of choices is 2
August 12, 2016

Math
Suppose you had 10 beads and sold 6. How many are left? If you can do that, do this one the same way.
August 12, 2016

Math
Abdul had 720 beads.He sold 648 of them. How many beads does he have left?
August 12, 2016

Maths
you want to try that again as text, and not URL?
August 12, 2016

maths
after n seconds, he has climbed 3n cm. After 19 seconds he has climbed 57cm On the 20th second he's at the top.
August 12, 2016

Maths
∫√tan x sec2x dx If that is sec^2(x), then if you let u = tanx du = sec^2x dx and you have ∫√u du
August 12, 2016

math
204
August 12, 2016

math
Starting with x, 2x/5 = b 1/6 (3/5 x) = u b = u+105 Now just solve for x by substituting in the values of b and u
August 12, 2016

maths
540 * 1.10
August 12, 2016

maths
goods costing ₹540 are sold at a gain of 10% . Find the SP
August 12, 2016

world history
D
August 11, 2016

Matg
I have a case of 12x16 case of brownies how many square peices can I get in 2"
August 11, 2016

ART
Thank u
August 11, 2016

physics
a car moving with a speed of 50 km/hr can be spotted by breaks after at least 6m.If the same car is moving with a speed of 100km/hr the minimum stopping distance is? With solution
August 11, 2016

physics
a car moving with a speed of 50 km/hr can be spotted by breaks after at least 6m.If the same car is moving with a speed of 100km/hr the minimum stopping distance is?
August 11, 2016

prealgebra
(12/3.5)1.25
August 11, 2016

NCC
v = a t = 20 m/s
August 11, 2016

Math
so 1 man mows 4 greens in 160 min 1 man moves one green in 40 min You did not say how many greens to mow in an hour so I can not continue, but you should be able to figure it out now that you have the data for one man
August 11, 2016

typos
makes no sense
August 11, 2016

Math
240 people/one day so 240/4 = 60 so 60 - 24
August 11, 2016

physics
24 relative to you. 12 relative to the mirror surface and the floor etc. It is approaching the mirror surface just as fast as you are.
August 11, 2016

Math
You do whatever is inside the parentheses first.
August 11, 2016

Math
180 - 163
August 11, 2016

Maths
games played = 9+N games won = 2+N 2+N = (1/2)(9+N) 4 + 2 N = 9 + N N = 5
August 11, 2016

Calculus
Could be :)
August 11, 2016

Calculus
Find arccos (sqrt2/2). Can this be pi/4 and 7pi/4?
August 11, 2016

Physics
depends on temperature BUT I suspect that there is liquid chlorine in the bottle. If so then the pressure remains at the vapor pressure of Chlorine until it is evaporated. The N2 is all gas in there until you get down to liquid air temperature so it follows gas laws.
August 11, 2016

Sum of geometric sequences
5,15,45,135,....S10
August 10, 2016

Math
LCD 3/4 1/8 7/16 3/32
August 10, 2016

Math
draw four number lines and mark the spots. remember absolute value of -x is +x eg |-147| = + 147
August 10, 2016

Biology
no
August 10, 2016

Science
*scientific inquiry useful - Scientific inquiry refers to the diverse ways in which scientists study the natural world and propose explanations based on the evidence derived from their work.useful in such widely divergent enterprises as science and crime scene detective work...
August 10, 2016

math
a number is 160 when rounded off to the nearest ten.whta is the smallest possible value of the number?
August 10, 2016

ap chemistry
Propane gas and oxygen gas will chemically react via combustion. Write a blanced equation for this change and then use stoichiomety problem solving to determine the number of carbon dioxide molecules that can theoretically form.
August 10, 2016

ap chemistry
Ammonia decompose upon intense heating to produce nitrogen and hydrogen elemental products. Write a balanced equation and then use stoichiometry problem solving to determin the mass of nitrogen product that can form if exactly 25.50g of ammonia is fully decomposed.
August 10, 2016

chemistry
Ammonia decomposes upon heating to produce nitrogen and hydrogen elemental products. Write a balanced equation and then use stoichiometry problem solving to determin the mass of nitrogen product that can form if exactly 25.50 grams of ammonia(NH3) is fully decomposed.
August 10, 2016

Math
C
August 9, 2016

Language Arts
or A
August 9, 2016

Language Arts
Would it be D
August 9, 2016

Language Arts
Identify the climax in the following example. 1.A boy sees a snake lying still in the road. He bends close to look at it. Suddenly, the snake moves. The boy jumps back. A. A boy sees a snake lying in the road. B. The snake is lying still in the road. C. The boy bends down to ...
August 9, 2016

ap chemistry
use dimensional analysis to find how many moles of nitrate ions are in 40.0 mL of a 0.75 M aqueous solution of aluminum nitrate
August 9, 2016

Science
Two forces whose magnitude are in the ratio 3 :5 gives resultant of 28. If the angle of their inclination is 60 °find the magnitude of each force
August 9, 2016

science
A spring fixed at one end can be streched by hanging standard masses from the other end. What masses is needed to achieve a stretching force of 5N?
August 9, 2016

Science
Yes
August 9, 2016

Algebra 1
Thank you
August 9, 2016

Algebra 1
1. Which is an example of an algebraic expression? A. 4(3+8) B. 18^2 C. 3 - a*** D. 21 x 4 2. Which is an algebraic expression for 5 more than? A. 5z B. z + 5*** C. 5z + 5 D. 5 - z 3. Which word phrase can be used to represent the algebraic expression 4(21 + n)? A. 4 plus the ...
August 9, 2016

Algebra
The present age of raj and ram is in the ratio 1:3. After 5 yrs rams age wiil be 2yrs more than twice of rajs age . Find their present ages
August 9, 2016

science
what is the ratio between acceleration and velocity?
August 9, 2016

math
In the number 8,920,000 the digits in the tens and hundreds places are the least and the same. What are they?
August 8, 2016

Applied Stats
Based on the data collected by the National Centre for health Statistics and made available to the public in the Sample Adult database, it was found that the percentage of adults who have at some point in their life been told that they have hypertension was 24 percent. Suppose...
August 8, 2016

algebra
Robert is N years old. Robert's brother is 6 years younger than Robert.
August 7, 2016

West Charlotte
Rosa has 3 3/4 pounds of dough. She uses 3/4 of a pound for one medium loaf of bread. How many medium loaves of bread could be made from Rosa's dough?
August 7, 2016

math
how many different ways can 24 horses win 1st & 2nd places
August 7, 2016

Maths
c/s = 2/7 so s = 7 c/2 .35 c +.2 s = 180 .35 c + .2 (7 c/2) = 180 .35 c + .7 c = 180 1.05 c = 180 c = 171 kg
August 7, 2016

Maths
h = r/4 or r = 4 h 3 (h+6) = r+6 3 h + 18 = 4 h + 6 h = 12
August 7, 2016

algebra 2
Same both sides of mean Your mean is not your median
August 6, 2016

algebra 2
google David Lane Normal distribution look at picture mean is median
August 6, 2016

algebra 2
NOT SYMMETRICAL
August 6, 2016

algebra 2
I believe a normal distribution tends to be symmetrical about the mean which is therefore the median.
August 6, 2016

algebra
5/4 = 1.25 percent per quarter 5 = 1.0125^n ln 5 = n ln 1.0125 n = 130 quarters = 32.4 years
August 6, 2016

fundamentals of math
3.5/36 = h/2640
August 6, 2016

fundamentals of math
By holding a ruler 3 feet in front of her eyes as illustrated in the diagram, Carla sees that the top and bottom points of a vertical cliff face line up with marks separated by 3.5" on the ruler. According to the map, Carla is about a half mile from the cliff. What is the...
August 6, 2016

fundamentals of math
A point lies on the of a line segment if and only if the point is equidistant from the endpoints of the segment. angle bisector trisector altitude perpendicular bisector
August 6, 2016

Fundamentals of Math
A tree casts a shadow 36 m long. At the same time, the shadow cast by a 49-centimeter tall statue is 90 cm long. Find the height of the tree. Round to the nearest tenth.
August 6, 2016

maths
solve this anagram please. its a famous mathematician ghetgninlai
August 6, 2016

maths
10 c + 26 a = 740 but a = 50 - c so 10 c + 26 (50 - c) = 740 -16 c + 1300 = 740 16 c = 560 c = 35
August 6, 2016

math
add them and divide result by 6
August 6, 2016

need acceleration or force
not enough info
August 6, 2016

physics
Just do the vertical part of the problem. Vi = 20 sin30 = 10/m/s up v = Vi - g t = 10 - 9.81 t so t is about one second upward until v = 0 at the top. then another second falling for a total of two seconds in the air.
August 6, 2016

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