Saturday
December 3, 2016

Posts by ANONYMOUS

Total # Posts: 102,964

Chemistry
You are handed a well insulated container holding about 100ml of water at a temp between 75 deg C and 100 deg C. you are given a thermometer with a maxmimum temp of 50 deg C. create an experiment to determine the temp of the water. i am really confused on how to start this ...
October 18, 2016

Matg
At the start of a party, a bowl contains 16 pints of punch. Guests drink 10 1/4 pints. Then the host adds another 7 1/2 pints to the bowl. How much punch is in the bowl now?
October 18, 2016

Algebra 1
Benito has $6 to spend a sundae cost $3.25 Plus $0.65 per topping write and solve an inequality find how many toppings can he order.
October 18, 2016

Math
14
October 18, 2016

math
Determine the exact value of the following. a) sin300 degress b) tan (-135 degrees) c)csc150 degrees d) sec45 degrees e) cos 4pi/3 f) sin (-3pi/4)
October 18, 2016

math
the point P(x, -2/3) lies on the unit circle and is in quadrant 4. a) sketch the unit circle showing the point P and the principal statndard position angel theta drawn to the terminal arm containing point P. b) determine the exact value of x. c) determine the exact value of ...
October 18, 2016

math
the point P(1/2, root 3/2) lies on the unit circle. a) sketch the unit circle showing the point P and the standard position angle theta drawn to the terminal arm containing point P. b) determine the exact values of the six trigonometric ratios of theta.
October 18, 2016

Math
Penelope has a birdhouse that is 4 9/10ft above the roof of her garage. She has a second birdhouse that is 5.36 ft below the roof of her garage. What is the distance between the birdhouses?
October 18, 2016

math
determine all co terminal angles that lie in the interval -4pi less thank or equal to theta less than or equal to 4pi, for the following angles. a) 3pi/2 b) -5pi/3
October 18, 2016

math
Which is the better buy? 2.9L of detergent for $4.56 or 3.8L for $5.78?
October 18, 2016

Physics
A jet pilot (80 kg) flies a loop-de-loop at a constant speed of 600 m/s. a) What minimum radius can the loop have so that the centripetal acceleration is no more than 6ag? b) Suppose that the pilot just happened to be sitting on a spring scale while flying the jet. What will ...
October 18, 2016

Physics
I still need help!!
October 18, 2016

Physics
A passenger on a ride at the firemen's field days sits in a chair and is swung around at the end of a cable connected to a central tower. At full speed, the cable makes an angle of 56o with the vertical, and the chair is 46 m from the pole. 1)What is the speed of the ...
October 18, 2016

Science
b?
October 18, 2016

Physics
A simple Atwood's machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 7.0 m/s at the end of 3.0 s. At that instant, the kinetic energy of the system is 60 J and each mass has moved a distance of 10.5 m. Determine the values of m1 and m2.
October 18, 2016

math
The sides of a rectangle are consecutive odd integers. If the perimeter is 192 inches, what is the length of each side?
October 18, 2016

Physics
If a wave has a frequency of 10 Hertz, what does this mean? Thanks.
October 18, 2016

SOCIAL STUDIES CHECK ANSWERS
8 is definitely B and E. Everything else is correct
October 18, 2016

physics
g varies from 0 N to 70.4 N as we stretch the spring by moving one end 5.35 cm from its unstressed position. Find the force constant of the spring
October 18, 2016

maths
take 30cm from 3/4 metre
October 18, 2016

maths
£4.96 equals how many tens
October 18, 2016

maths
how many tens in2017
October 18, 2016

Language Arts
Okay, thanks. (=
October 18, 2016

bmcc
which of the following is an oxidation reduction reaction ?
October 18, 2016

hunter
how many grams of oxygen are required to burn 5.9g of C2H5OH? Molar masses: C2H5OH= 45.06 g/mole O2= 32.0 g/mole
October 18, 2016

Tx History
But, I think that the correct answer is D.
October 18, 2016

Tx History
Yes I just Double checked and they are all have correct spelling and the correct words.
October 18, 2016

Tx History
What is the best way to describe the the main problem of mission San Francisco de Los Tejas? A. There were not enough priests or missionaries to do a thorough job to convert the Hasinai. B. It took too much of a militaristic and violent approach to converting the Hasinai. C. ...
October 18, 2016

social studies (NEED HELP QUICK)
What was the effect of diversity in Darfur a. NGOs b. Apartheid c. Nationalism d. genocide my answer: c
October 18, 2016

Math
In a parallelogram abcd,if angle a =(2x+25) and angle b = (3x_5),find the value of x and the measures of each angle of the parallelogram
October 18, 2016

Math
In a parallelogram abcd,if angle a =(2x+25) and angle b = (3x_5),find the value of x and the measures of each angle of the parallelogram
October 18, 2016

Math
In a parallelogram abcd,if angle a =(2x+25) and angle b = (3x_5),find the value of x and the measures of each angle of the parallelogram
October 18, 2016

social studies (NEED HELP QUICK)
Unstable government holds back economic development most in a. Namibia b. Botswana c. Somalia d. South Africa my answer: d
October 18, 2016

statistics
A naturalist leads whale watch trips every morning in March. The number of whales seen has a Poisson distribution with a mean of 2.1 Find the probability that on a randomly selected​ trip, the number of whales seen is 3. Round to four decimal places.
October 18, 2016

Algebra
Z-2z+4z+6 Combine like terms Z-2z= -1z -1z+4z+6 -3z+6
October 18, 2016

Social studies
What are the real answers??
October 18, 2016

Physics
A passenger on a ride at the firemen's field days sits in a chair and is swung around at the end of a cable connected to a central tower. At full speed, the cable makes an angle of 56o with the vertical, and the chair is 46 m from the pole. 1)What is the speed of the ...
October 18, 2016

Physics
A jet pilot (80 kg) flies a loop-de-loop at a constant speed of 600 m/s. a) What minimum radius can the loop have so that the centripetal acceleration is no more than 6ag? b) Suppose that the pilot just happened to be sitting on a spring scale while flying the jet. What will ...
October 18, 2016

Math
1/50 change fraction to a decimal
October 18, 2016

Chem
1026
October 18, 2016

Chem
A gas at pressure 912 mm of hg has volume of 450 cm3 what will be volume at 0.4 atm
October 18, 2016

crop physiology
How will you prepard o.5m, 1.0m, 2m & 4.0m solution of NaCl for 100ml
October 18, 2016

History
What were some challenges that knights faced?
October 17, 2016

S.S
What does immigration mean?
October 17, 2016

Math
No problem
October 17, 2016

Math
Oh, it was ment to be 4. Sorry!!!
October 17, 2016

Math
Hmmm..... you made mistake
October 17, 2016

Math
well let's say that x=4 It would be like this: 4(3)6-5 then do this: 6-5 is 1 So, put it like this: 4(3)-1 What is 4x3? It is 12 So, its like this: 12-1 12-1 is 11 So your answer is 11
October 17, 2016

Math
what is 4x(6-5)?
October 17, 2016

History
Does anyone have a picture on how yin and yang symbol looked like in Ancient China and how it looks like now? My teacher said to draw comparisons on how different they look but I cant find a picture on how it looked like before
October 17, 2016

math
square picture frams has perimeter of (20+30)what is the length of one side of the picture
October 17, 2016

social science
Why is there uncertainty about the first explorers of America?
October 17, 2016

math
It takes Ashley 8 hours to kayak 18 km up river and 18 km back down the river. if the river is flowing at 3 km/h, how fast did she puddle assuming she paddled at a constant speed?
October 17, 2016

math
A closed-topped cylindrical tin can is to be made with a volume of 25 cm ^3. a) Determine a function to model the height h, of a can in terms of the radius, r. b) Determine a function to model the surface area A, of the can in terms of the radius, r. c) What is an appropriate ...
October 17, 2016

Geometry
The measure of angle 2 is 20 less than one third the measure of its supplementary angle 1. Find the measure of the angles
October 17, 2016

math
thank you for answering the question but I don't understand how you got 10+5x?
October 17, 2016

math
Gregg has made 40% of his free-throw shots, after attempting 20 shots at a free-throw competition. How many more consecutive shots must he make in order to increase his percentage to 50%?
October 17, 2016

6th Grade Math
Estimate a range for each sum. 7.8+31.39+6.95 How do I estimate a range??
October 17, 2016

Home Economics
List three careers for each Branches of Home Economics
October 17, 2016

math
Which is the better buy? Twelve 710mL bottles of water for $6.60 or twenty-four 500mL bottles for $9.18
October 17, 2016

maths need steve
The sum of 3 numbers is 4, the sum of their product is 5 Find the sum of their cube if the product of there number is 6
October 17, 2016

Quick english help
what moral does malcolm still state when he realizes that his last hope in the prophecies is gone act 5 scene 6-7
October 17, 2016

history
I changed it to B after I read again
October 17, 2016

history
a few states agreed to ratify the constitution only if what condition was met? A.George Washington will be elected president*** B.a bill of rights will be added C.the federalist government would maintain complete power D.no new states would enter the union
October 17, 2016

history
which of he following excerpts from article I of the constitution reflects the results of the great compromise a. article 1 section 2 clause 3 b. article 1 section 1 c. article 1 section 2 clause 5 d. article 1 section 2 clause 4 is the answer b?
October 17, 2016

history
can I get help with the connections academy unit 3 test please its on the American revolution and what happened after (links and stuff to get info)
October 17, 2016

Linear equation
When mona was born her father was 25years old What will be the linear equation
October 17, 2016

Math
there are 50 animals on a farm,24% of them are pigs, 30% are cows and the remaining are sheep. what is the percentage of the total number of cows and pigs to that of the sheep?
October 17, 2016

history
I asked to check the work not to cheat give me links or something that's all obviously I asked for help
October 17, 2016

history
if you go to connections academy can you help too?
October 17, 2016

history
which of the following was a law established by the northwest ordinance? A.only territories with a population of at least 60,000 can apply for state hold B.the education would be paid for by the central government. C.anyone who escapes slavery would be guaranteed freedom D.new...
October 17, 2016

Chemistry
A solution of potassium permanganate (KMnO4) was standardised by titrating with 0.1908 g of Na2C2O4 dissolved in 50 cm3 of acidified water. The endpoint was reached after 24.50 cm3 of solution had been added. Calculate the molar concentration of KMnO4 in the solution.
October 17, 2016

Chemistry
A solution of potassium permanganate (KMnO4) was standardised by titrating with 0.1908 g of Na2C2O4 dissolved in 50 cm3 of acidified water. The endpoint was reached after 24.50 cm3 of solution had been added. Calculate the molar concentration of KMnO4 in the solution.
October 17, 2016

physics
Which of the following statements is false regarding the ‘drift’ of charge carriers?
October 17, 2016

math
In a class of 150 students 70 passed in verbal and 90 passed in aptitude.10 failed in both the subject.how many students passed in both subject
October 16, 2016

Calculus
Suppose f(x) and g(x) are functions of x differentiable at x = 4. Given that f(4) = 3, f'(4) = -2, g(4) = 6, g'(4) = -5, find the value of each of the following. a. Derivative of f(x) * g(x) My answer: -27 b. Derivative of (f(x))/(g(x)) My answer: 1/12 c. Derivative of...
October 16, 2016

Ela
1) tank 50 deep 2)discharge pump will empty tank at 250 gallons per minit 3)tank will at 100 gallons per minit 4)2-floats will contor (m1) to fill tank set at 25feet 42feet 5)a float is set at 10feet for shut off for discharge pump 6)install pressure switch to prevent ...
October 16, 2016

chemistry help
l=75
October 16, 2016

chemistry help
Chlorine has two Isotopes with mass number of 35&37.if the relative atomic mass is 35.5, find the percent abudance of Cl-35(isotope with mass number 35)
October 16, 2016

math
4*10 = 40 assuming no interest and he started with zero
October 16, 2016

algebra
5 b + s = 192 b + s = 56 so s = 56-b 5 b + 56 - b = 192 4 b = 136 b = 34 s = 22
October 16, 2016

Science
500 * 9.81 * h = 20,000
October 16, 2016

Chemistry
what is the energy if a photon of red light that has a wavelength of 8.90x10^-7
October 16, 2016

Physics
T1 cos 28 = T2 cos 16 (no net horizontal force) T1 + T2 = 46 for vertical equilibrium
October 16, 2016

Physics
1 second each way d = v *(1second) where v = speed of sound maybe around 340 meters/second so I guess around 340 meters so what was the problem?
October 16, 2016

physics
its one end is close so we will cosider it as closed or open i mean we have to apply the closed formula or open one
October 16, 2016

physicsI guess thetube is a quarter wavelength long
T = 0.50*4/340 do f = 1/T = 340/2 = 170 Hz
October 16, 2016

Math
In a school there are 7 girls to every 5 boys.If there are 120 more girls than boys.How many pupils are there in tge school?
October 16, 2016

MATH
During the 1st year at university, Erica¡¦s father had been sending her $1,000 per month for incidental expenses.Starting from the 2nd academic year, her father decided instead to make a deposit into a savings account on August 1st every year so that Erica could ...
October 16, 2016

calculus
5.In a certain state the maximum speed permitted on freeways is 65 km/h and the minimum speed is 40 km/h. The fine for violating these limits is Rs.15 for every kilometer per hour above the maximum speed or below the minimum speed. Express the amount of the fine as a function ...
October 16, 2016

physics
A car travelled 7km40degree west of north and then 10km east.what is the resultant displacement using scale drawing
October 16, 2016

chemistry
Zinc react with diluted sulfuric acid to give hydrogen but silver doesn't explain?
October 16, 2016

Calculus
I'm sorry, g'(x) = -5.
October 15, 2016

Calculus
Suppose f(x) and g(x) are functions of x differentiable at x = 4. Given that f(4) = 3, f'(4) = -2, g(4) = 6, g'(4) = -4, find the value of each of the following. a. Derivative of f(x) * g(x) My answer: -27 b. Derivative of (f(x))/(g(x)) My answer: 1/12 c. Derivative of...
October 15, 2016

History
Yup there correct!!
October 15, 2016

History
are u sure?
October 15, 2016

History
1. C 2. A 3. A 4. C 5. B 6. B 7. D 8. A 9. A 10. D 11. A, C 12. A, C Theses are the correct choices. I just finished the test
October 15, 2016

History
Did you ever get the answer to this?
October 15, 2016

Science
Zn2+ cl- = zn×1 cl×2 =zncl2
October 15, 2016

Adv functions
Find the linear to linear function f(x) satisfying the given requirements: f(10)=20, f(30)=25, and the graph of f(c) has y=30 as its horizontal asymptote
October 15, 2016

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