Posts by Anonymous

Total # Posts: 109,561

College Physics
A ball is thrown horizontally from the top of a building which is 30.6 meters tall. It lands 50.0 meters from the base of the building. What was the launch speed of the ball?

College Physics
A rock is thrown from the top of a cliff. It lands 2.33 seconds later 17.3 meters from the base of the cliff. How far did it drop vertically? What is the speed of the rock when it lands?

General
thank you

General
A career that utilizes computers but is not considered an information technology based job. Please give at least 2 careers

Physics
Does the speed of sound in air depend on the frequency of the wave? V=[(gamma.RT)/M]^(1/2)

physics
what is the minimum work that must be done to raise a 30.0 kg object from h 7.0 m to h=11.0 m?

Math
A pair of shoe was sold for rs 704 after allowing a discount of 12% on market price. Find the market price?

maths
plywood 26cm by 8 cm is cut into 2 cm strips find total length of strips

math
If 500 balls cost $60,calculate (1)1 ball cost (2)800 balls cost (3)n ball cost

electronics
Which of the following statements is true with reference to an L-C resonant circuit? (1) The impedance of a parallel L-C circuit is low at resonance and higher at frequencies above and below resonance. The impedance of a series circuit is high at resonance and low at ...

chemistry
What is the balanced chemical equation and ingredients for brufen when reacts with HCL in the stomach

ftcc
A sample of propane, C3H8, contains 15.1 moles of carbon atoms. How many total moles of atoms does the sample contain?

earth science
The table below the C-14 Decay curve and the Correction curves contains the % Modern values for 4 samples.

Math
Adam answered 80% of the questions correctly. He answered 6 questions wrongly. Find the total number of questions in the quiz

Maths
A labourer is engaged for20 days on the condition that he will receive Rs.120 for eachday he works and will be finedRs.10 for eachfay he is absent.If he receibesRs.1880 in all,for how many days did he remain absent.

Maths
A labourer is engaged for20 days on the condition that he will receive Rs.120 for eachday he works and will be finedRs.10 for eachfay he is absent.If he receibesRs.1880 in all,for how many days did he remain absent.

maths
A) 2x+4+3+x add the number of single x values (2x+1x) I'll solve this one to give you an example 3x add the number of regular numbers (4+3) then put them together 3x+7 (this is the simplest form) B)4y+2c-3y add the number of single y values (4y-3y) c value is at its ...

Maths
31degrees- 2degrees*6hours

Maths
you can find trig laws on google. tan+sin (sin/cos+sin)(top first) (sin/cos+sin/1) (2sin/(cos+1)) tan-sin (sin/cos)-sin/1(bottom) (2sin/(cos-1)) (2sin/(cos+1))/(2sin/(cos-1))(together) 2sin cancels (cos-1)/(cos+1)(what's left) right side of the equals sign sec+1 (1/cos)+1/...

Scince
What is matter?

general knowledge
what is the colour of water?

Math
80 is the product of Janelle's age and 5 .

statistic
A new car was put into production. It involved many assembly tasks. Each car was inspected at the end of the assembly line and the number of defects per unit was recorded. For the first 100 cars produced, there were 40 defective cars. Some of the cars had no defects, a few had...

Science
a train takes 5 minutes to cover a distance of 3 km between two stations p and q . Starting from rest at p , it accelerate at a constant rate to a speed 40 km/h and maintain this speed untill it is brought to rest at q . If train takes 3 times as long to deaccelerate as it ...

b e t Sofia high school (arethametic)
If the pth term of an ap is q and qth term is p prove that the nth term is equal to (p+q_n)

Math
150

geometry
idk

geometry
did you ever figure it out? if so, could I please have help as well.

Math
y =(3^.5-2^.5)^2 - 3(3^.5-2^.5) + 4 = 3 - 2(6^.5) + 2 - 2(3^.5) - 3(2^.5) + 4 = 9 - 2(6^.5) - 3^(1.5) - 3(2^.5)

Math
A circle passes through origin and the point (5/2, 1/2) and has 2y_3x=0 as a diameter. Find its equation.

commerce
Prepare a project file on the following business industries of India (approximately one/two pages of information on each industry) a) Iron & Steel Industry b) Textile Industry c) Information Technology Industry d) Petroleum Industry e) Automobile Industry

math
Study the ways of raising a loan to buy a car or a house. You are required to visit personally two banks at least and ask for the documents required by the bank and the whole process of raising a loan. Describe the whole process in written on project sheets along with the ...

MATH 123
Darla purchased a new car during a special sales promotion by the manufacturer. She secured a loan from the manufacturer in the amount of $23,000 at a rate of 4.6%/year compounded monthly. Her bank is now charging 6.2%/year compounded monthly for new car loans. Assuming that ...

science
60

Maths
If zeros of p(x)=2x2-7x+k are reciprocals of each other,then find the value of me

maths
Two angles are adjacent and form an angle of 150degree. The larger angle is 30 degree more than twice the smaller angle.find the angles

Math
If m < 2= 95° and m <5= 127° FIND THE FF.. m angle 1 m angle 3 m angle 4 ....... 6 ....... 7 ....... 8 ....... 9

Science
An aeroplane starts from rest with an acceleration of 3 ms-2 and takes a run for 35s before taking off. What is the minimum length of the runway with what velocity plane take off?

math
what is one forth of 12?

Anonymous
what is 8 divided by 100

Math
If m?FCG = 9x + 3 and m?GCB = 13x – 9, find m?GCB

intro to algebra
Hookes law states that the distance that a spring is stretched by hanging object varies directly as the mass of the object. If the distance is 20 cm when the mass is 3kg, what is the distance when the mass is 5 kg?

Chemistry
A dime is found to have a mass of 2.33 grams. Using unit analysis, show what the mass of this dime is in kilograms. 2.33 grams x ________ _______ (number) (unit) ________________________________________________ ________ ________ (number) (unit) = ? ___ kg

Chemistry
Expressing amounts of energy in different energy units is necessary to solve many chemistry problems. For practice, complete the following table. FILL IN THE BLANKS PLEASE. The Joule (J) is the SI unit of energy. 1 calorie (cal) = 4.184 J J cal kJ 695 ___ ___ ___ 132 ___ ___ ...

Money
79 pounds is how much money in US dollars?

Philosophy
Is it C?

Philosophy
In what way are usufruct rights similar to John Locke's concept of private property? A. In order to establish a right to private property one must mix one's labor with property held in common B. usufruct rights are in no way similar to Locke's concept of private ...

Physics
a soccer ball is kicked from the top of a 50ft high hill with an initial velocity of 25ft/s at angle 30 degrees below horizontal. At what velocity will it strike the ground? b. How long would it take the ball to reach the ground c. What is the range that the kicked ball will ...

csn
In a box there are four prizes that are worth $30, three prizes worth $300, and one prize worth $1000. A player will reach into the box and draw one of the prizes at random. What is the fair price for this game?

Biology
What would happen during DNA replication if DNA polymerase was not functional

Algebra
Two angles are supplementary if their sum is 180 degrees the larger angle measures 6 degrees more than twice the measure of the smaller angle if x represents the measure of the smaller angle and these two angles angles are supplementary find the measure of each angle

history
what is the bloodline of most winning fighting chicken in the world.

math
A number round off to 4000. The digit in the hundreds place is twice the digit in the tens place. The sum of the digits is 12. The numbers uses only two different digits. Find the number.

Physics
What is the final temperature when 8.1 x 105 J are added to 1.50 kg of ice at 0.0 °C?

Math - Calc 2/Algebra
No, I plugged in X=0 and X=-1

Math - Calc 2/Algebra
To get B, I plugged in A=0. To get C I plugged in B=-1

Math - Calc 2/Algebra
I'm trying to find the partial fraction decomposition of: 10x^2+2x-2/x^2(x+1) I already found B=-2 and C=6 Plugging in the numbers, I get: 10x^2+2x-2=Ax(x+1)+(-2)(x+1)+(6)x^2 How do I solve this for A? Maybe this is just some algebra that I'm rusty on. But I'm ...

Math - Calc 2
How would you go about integrating x^2/sqrt(4-x^2)?

math
A pail holds 2 3/4 gallons of water. How much is this in cups?

creative play
D?

Math
A set of wrenches with metric unit sizes consists of those listed in the next chart. Convert each size to a corresponding U.S. customary unit wrench. In each case, find a U.S. customary size rounded to the nearest 1/32 of an inch.

analytic geometry
Find the equation of the circle touching the line x + y = 4 at (1,3) and having a radius of sqrt. of 2 solve in two ways.

math
a ladder 26m long leans against a wall. The top of the ladder from the ground is 24m. What is the length of the base resting on the level ground from the wall

physics
A hammer weighing of 1 kg moving with the speed of 10 m/s strikes the head of the nail driving it 10 cm into wall. Neglecting the mass of the nail, calculate the impluse.

College physics
Two displacement vectors have magnitudes A=3m and B=4m, what is the maximum and minimum values of their resultant magnitude

physics
A hammer weighing of 1 kg moving with the speed of 10 m/s strikes the head of the nail driving it 10 cm into wall. Neglecting the mass of the nail, calculate: 1) The acceleration during the impact 2) The time interval during the impact 3) The impulse (force X time)

Statistics
c seems very far off

Statistics
Number of hospital acquired infections ( x 100) / total number of discharges (including deaths)

Statistics
The hospital-acquired infection rate (including newborns) is___________ A. 0.03% B. 0.30% C. 3.00% D. 30.00 I believe the formula it was given gave me B. 0.30%

Math
A party mix is made by adding nuts that sell for ​$2.50per kg to a cereal mixture that sells for ​$11 per kg. How much of each should be added to obtain 30 kg of a mix that will sell for ​$2.10per​ kg?

Riddle
I am something, I appear first on earth, second in heaven. I appear twice in a week, Never in a month, but I appear once in a year what am I?

Calculus
What is the best substitution to make to evaluate the integral of the quotient of cosine of 2 times x and the square root of the quantity 5 minus 2 times the sine of 2 times x, dx? u = sin(2x) u = cos(2x) u = 2x u = 5 ? 2sin(2x)

Math
Write the equation of a parabola, in standard form, that goes through these points: (0, 3) (1, 4) (-1, -6) ax^2 + bx + c = y a * 0^2+b*0+c = 3 a*1^2+b+1+c = 4 a*(-1)^2+b(-1)+c = -6 c = 3 a + b + c = 4 a – b + c = -6 a + b + 3 = 4 a – b + 3 = -6 Graph the parabola ...

civics
what is constitution? in hindi

Economics
You want to have an income of $50,000 per year in retirement, and you think you will be alive for 30 years in retirement. How much do you need to have invested the day you retire, in real dollars, assuming a 3% real rate of return? I just need to make sure I'm doing this ...

Math
Select all that are true With which information can you construct more than one triangle? The measurements of two angles The measurements of two angles and the length of the included side The measurement of all angles The lengths of two sides and the measurement of the ...

math
Evaluate: 2:2.5

Math
1. Given the following polynomial: 2x^2 + 7x - 15 = 0 Check all that apply. ? The value of the discriminant is 169. ? There are 2 real roots. ? There are 2 irrational roots. ? The graph intersects the y-axis twice. ? The parabola is directed upward. ? The axis of symmetry is ...

algebra
-11 less then or equal too 1-4w

chemistry
a sample of phosphorous has 0.5 moles of P4 molecules 1]how many P4 molecules are there? 2]how many P atoms are there? 3]how many moles of P atoms are there in the sample? 4]what is the mass of the sample?

Science
A bullet blasts from the barrel of a gun upward in the vertical direction with an email initial speed of 700m/s .Find the maximum altitude reaches by this bullet and the time needed the reach it.

science
Resistance = §L/A a) Increasing length by 20% means the total resistance increases by 20%, because as per the formula they are directly proportional. b) Resistance is inversely proportional to area. If the diameter is increased by 20%, so is the radius. And as per the ...

chemistry
The fuel used in many disposable lighters is liquid butane, C4H10. Butane has a molecular weight of 58.1 grams in one mole. How many carbon atoms are in 2.50 g of butane?

English
You might start: My weakness is multi-faceted. I'm lazy; I don't read; I don't think; I don't write; I want others to do my work for me.

math
what would have a greater surface area? a cylinder that is flat and smooth or a cylinder that is threaded? I think the smooth one will because the threads remove area that needs to be covered?

chemistry
Sodium carbonate (Na2CO3) has a molar weight of 105.9885 g/mol. A solution contains 50. mM sodium ions and 25 mM carbonate ions. What is the concentration of sodium carbonate in the solutions as expressed as mass/volume percentage?

physics
And and climb up 5 stairs , each of width 20 cm and height 20 cm . Find the distance covered and displacement of ant ?

Economics
A monopolist is deciding how to allocate output between two markets thata separated geographically. Demands for two market are P1=15-Q1 and P2=25-2Q2. The monopolist's TC is C=5+3(Q1+Q2).What are*price *output *profit *MR Ifa)the monopolis can price discriminate? b)the law...

algebra
Johnny starts his hike at his car site. He will take a break halfway between the car site and the campsite and then head on to the campsite. Use the diagram below to answer the questions. (a graph of a coordinate plane. the max number for x is 13 and max number for y is 11. a ...

Math
A is the Amount A = Ai e^-kt when A/Ai = .5, t = 24,000 so .5 = e^-24,000 k ln .5 = -24,000 k -.693 = -24,000 k so k = 2.888 * 10^-5 now we can do any old time t at t = 10,000 = 10^4 A/Ai = e^-2.888*10^-5 *10^4= e^-.2888 = .749 as a percent that is 74.9%

Physics
which is 3

Physics
average speed = (6+0)/2

Physics
Suppose the sprinter continues to run at 6m/s until the end pf the race. After crossing the finish line the sprinter decelerates at 2m/s^2.a) how long it takes her to stop b) how far does the sprinter travel while stopping?

Time rates
A ladder 20 ft long is leaning against an embankment inclined 60 degrees to the horizontal. If the bottom of the ladder is being moved horizontally toward the embankment at 1 ft/sec, how fast is the top of the ladder moving when the bottom is 4 ft from the embankment?

Economics
Description of the market form in which milk producers operate

science
ruthie walks 45 m east, and then moves 40 m west. if east is chosen as the positive direction, what is ruthie's resultant displacement?

Physics
A car travels at a speed of 70km/h. What distance will it cover in 30 minutes

Chemistry
Which three-centred ? molecular orbitals are occupied in NO2-? Select all that apply.

Algebra
Let S stand for student price and A for adult price. 60S + 20A = 450 20S + 32A = 340 Multiply second equation by 3. 60S + 96A = 1020 Subtract first equation from revised second. 76A = 570 A = $7.50 Insert value into first equation to find S.

math
Michael is 63 years younger than Dana. 7 years ago, Dana's age was 4 times Michael's age. How old is Michael now?

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