Sunday
October 23, 2016

# Posts by blake

Total # Posts: 267

English
What is the simple subject of the following sentence? Several sites on the internet give information about extreme sports. I believe the simple subject is: sites
July 20, 2016

Algebra
Charlie's wallet contains 3 ones, 2 fives, 2 tens, and 4 twenty dollar bills. ?Charlie randomly grabs a bill from his wallet, replaces it, and grabs another bill. What is the probability that the sum of the two bills is \$25? Maybe 6/25 or 6/110. I am confusing myself now ...
May 23, 2016

Chemistry
50 L of your 0.05M sodium. chloride solution, what volume of 1.25M solution would be necessary?
May 23, 2016

Algebra
PLEASE HELP ME :( Brandon flips two fair coins multiple times and records the frequency of the results in the following table. 50 trials|125trials|150trials HH 10 33 37 TH 9 31 38 HT 13 28 38 TT 18 33 37 DETERMINE THE EXPERIMENTAL PROBABILITY AND THEORETICAL PROBABILITY FOR ...
May 23, 2016

Algebra
May 22, 2016

Algebra
Brandon flips two fair coins multiple times and records the frequency of the results in the following table. 50 trials|125trials|150trials HH 10 33 37 TH 9 31 38 HT 13 28 38 TT 18 33 37 DETERMINE THE EXPERIMENTAL PROBABILITY AND THEORETICAL PROBABILITY FOR EACH OUTCOME IN EACH...
May 22, 2016

I think the first question, A six sided number cube is rolled and a coin is flipped. What is e probability that the number on the cube is less than 4 and the coin lands on heads? I think the answer is 1/4. 1/2 * 1/2 is .25 which is 1/4 I think I got it :O
May 22, 2016

Algebra
Brandon flips two fair coins multiple times and records the frequency of the results in the following table. 50 trials|125trials|150trials HH 10 33 37 TH 9 31 38 HT 13 28 38 TT 18 33 37 DETERMINE THE EXPERIMENTAL PROBABILITY AND THEORETICAL PROBABILITY FOR EACH OUTCOME IN EACH...
May 22, 2016

A six sided number cube is rolled and a coin is flipped. What is e probability that the number on the cube is less than 4 and the coin lands on heads? I think the answer might be 1/3. Heads and tails is 1 and less than 4 is 3. I am not sure.
May 22, 2016

Algebra
CORRECTION ON THE QUESTION: THE QUESTION WAS SUPPOSE TO SAY 2 RED MARBLES, NOT 3 RED MARBLES SEE CORRECT QUESTION BELOW, A bag of marbles contains 3 yellow marble, 2 red marbles, and 5 green marbles. If a marble is chosen, put back in the bag and then a second marble is chosen...
May 20, 2016

Algebra
A bag of marbles contains 3 yellow marble, 3 red marbles, and 5 green marbles. If a marble is chosen, put back in the bag and then a second marble is chosen, what is the probability that both marbles will be red? I think it is 2 red 10 all together 2:10 2/10 = 1/5 But I am not...
May 20, 2016

Algebra
how would you solve (3_/8)(2_/6) using multiply and simplifying.
May 15, 2016

Math
What does a curved surface and a circle make? a. sphere b. cone *** c. cylinder d. The two shapes won't form a geometric solid.
April 16, 2016

Algebra
A silo is filled at a constant rate for a total of 10 hours. Number of Hours---Amt of Corn(cu ft) 0----------------- 0------------- 3------------------2475--------- 5------------------4125---------- 8------------------6600---------- Enter the "percent" of the silo ...
April 7, 2016

Algebra
HOURS STUDYING AVG GRADE 0 62 1 78 2 85 5 74 WHICH TYPE OF FUNCTION IS MOST LIKELY TO MODEL THESE DATA? A. LINEAR FUNCTION W/POSITIVE SLOPE B. LINEAR FUNCTION W/NEGATIVE SLOPE C. NON-LINEAR THAT DECREASE THE INCREASE D. NON LINEAR FUNCTION THAT INCREASES THEN DECREASES
April 6, 2016

Algebra
Given the explicit formula, find the 15th term of the sequence: a(n) = -4n + 1
March 27, 2016

Algebra
Solve using substitution 5x-2y= 0 and 3x=y =-1
March 22, 2016

social studies
To which system of government is the federal system most similar? A - The Unitary system B - The confederal system C - The Unitary System D - The confenderal System ******
March 14, 2016

Physics
An Alaskan rescue plane traveling 38 m/s drops a package of emergency rations from a height of 105 m to a stranded party of explorers. The acceleration of gravity is 9.8 m/s2. Where does the package strike the ground relative to the point directly below where it was released? ...
March 5, 2016

Chemistry
i'm not sure, but it wants to combine the two half reactions into a full reaction.
March 3, 2016

Chemistry
Yes, I understand how to split it up with the e-, but what is the final overall balanced equation?
March 3, 2016

Chemistry
Write an overall balanced equation for these unbalanced half-reactions: In --> In3+ Cd2+ --> Cd I multiplied both sides by integers to get the electrons to be equal on both sides but I don't know what the final overall balanced equation looks like.
March 3, 2016

Science
Which of the following land regions should show the greatest similarities in fossil types?
February 16, 2016

Math
How do you find the slope of -5x+3y-8=0
February 4, 2016

Math
1.A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: f(n) = 12(1.03)n Part A: When the scientist concluded his study, the height of the plant was approximately 16.13 ...
December 19, 2015

Physics
The mass of the heavier block is 22 kg and the mass of the lighter blocks is 11 kg and the magnitude of the force of the connecting string on the smaller block is 13 N. Assume: g = 9.8 m/s 2 and the horizontal surface on which the objects slide is frictionless. Determine the ...
December 8, 2015

Algebra
A student keeps track of his target heart rate when he is exercising. The range for the number of heart beats per minute R for someone his age is /R-136/ less than or equal to 20. Determine the solution to the inequality. I believe the answer is: (116,156). Am I correct? /R-...
October 24, 2015

Math
Solve t+1-4t+8=21
September 21, 2015

Chem
You have 25.00 mL of 3% by mass solution of hydrogen peroxide. Assume the density of this solution is 1.00 g/mL. If all of the hydrogen peroxide decomposes to water and oxygen according to the reaction below: 2H2O2 (aq) <--> 2H2O (l) + O2 (g) What is the total volume of ...
September 21, 2015

Physics
Ball A is kicked at 40° above the horizontal. Ball B is kicked with the same horizontal component of velocity but at 55°. The speed of A is ( >or< ) the speed of B. The time A is in the air is ( >or< ) the time B is in the air. The range of A is ( >or&...
September 13, 2015

Science
If it is snowing in Great Neck, what type of air mass must be present?
May 27, 2015

Science
WHICH SYSTEM HAS THE GREATEST TIDAL EFFECT? EARTH-SUN OR EARTH-MOON?
May 5, 2015

Math
Women make up 5% of all film directors. There are 122,500 film directors working. How many women are directing films?
April 28, 2015

math
Two towns on a map are 2 1/4 inches apart. The actual distance between the two towns is 45 miles. what does one inch on the map represent?
April 28, 2015

english
20. Which of the following statements would be considered a hasty generalization? The sun is at its highest point between 10 a.m. and 2 p.m. The elderly are often resistant to advances in technology. When it snows, bridges tend to freeze before the roads do. Children should ...
April 10, 2015

calculus trigonometric substitution
∫ dx/ (x^2+9)^2 dx set x = 3tan u dx = 3 sec^2 u du I = 3 sec^2 u du / ( 9 tan^2 u + 9)^2 = 3 sec^2 u du / ( 81 ( tan^2 u + 1)^2 = sec^2 u du / ( 27 ( sec^2 u )^2 = du / ( 27 sec^2 u = 2 cos^2 u du / 54 = ( 1 + cos 2u) du / 54 = ( u + sin 2u / 2) / 54 = ( arctan x/3 + ...
March 16, 2015

physics
A projectile of mass 0.803 kg is shot straight up with an initial speed of 24.8 m/s. (a) How high would it go if there were no air resistance? (b) If the projectile rises to a maximum height of only 9.36 m, determine the magnitude of the average force due to air resistance
March 12, 2015

Physics
Chinook salmon are able to move through water especially fast by jumping out of the water periodically. This behavior is called porpoising. Suppose a salmon swimming in still water jumps out of the water with velocity 6.41 m/s at 44.1° above the horizontal, sails through ...
January 21, 2015

Ms. Sue
okayy! I know Writeacher haven't read it
January 2, 2015

Ms. Sue
it's ok (: Happy new year !! :D
January 2, 2015

Ms. Sue
have u read the book "the little prince" by Antoine de Saint-Exupéry
January 2, 2015

novel question
thanks for the help! (: & happy new year !! :D
January 2, 2015

novel question
it just talks about how the businessman only cares about owning the stars and getting rich so he could buy more , but i don't exactly know what the little prince learns from that So could you help ??
January 2, 2015

novel question
January 2, 2015

novel question
in the book "the little prince" by Antoine de Saint-Exupéry what did the little prince learn from the businessman ??
January 2, 2015

Comm Arts
3 differences between the book and the movie "The Prince and the Pauper".
November 9, 2014

I have a business project with entrepreneurs. And one of the entrepreneurs was perceptive. We have to use a body part to represent it. Which would you use? And why?
October 19, 2014

A restaurant says their sales are \$650000. Would that (sales) mean revenue or profit?
September 19, 2014

chemistry
The density of pure copper is 8.96 at 20°C. If 6.50 g of pure copper pellets is added to a graduated cylinder containing 13.4 mL of water, to what volume level will the water in the cylinder rise
September 12, 2014

Psychology
Can someone reword this for me? I am having problems comprehending the question. The question is: If psychological needs have presumptive brain or physiological correlates, are they still psychological needs?
March 20, 2014

physics
A person of mass M lies on the floor doing leg raises. His leg is 0.85m long and pivots at the hip. Treat his legs (including feet) as uniform cylinders, with both legs comprising 34.5% of body mass, and the rest of his body as a uniform cylinder comprising the rest of his ...
February 25, 2014

physics
Cheetahs can sustain speeds of 25 m/s over short distances. One of their prey is Thomson's gazelle, with top speed about 22 m/s. If a 52kg cheetah running southward at top speed grabs and holds onto a 23kg gazelle running westward at 22 m/s, find the velocity of these ...
February 25, 2014

Histroy
Its not A, I know that it was definitely not D either. So have fun!
January 24, 2014

geometry
In a triangle MNO with altitude NP with MP of 15 and NP of 9 what is the length of PO? MNO creates a right angle!
December 19, 2013

English
All answers given are 100% correcct
October 17, 2013

Chemistry
A gaseous mixture contains 413.0 Torr of H2(g), 372.1 Torr of N2(g), and 70.1 Torr of Ar(g). Calculate the mole fraction, X, of each of these gases.
October 16, 2013

Chemistry
I don't know why this posted again. Sorry and I have some questions. How do I find the Ph2 and PN2?
October 16, 2013

Chemistry
A gaseous mixture contains 413.0 Torr of H2(g), 372.1 Torr of N2(g), and 70.1 Torr of Ar(g). Calculate the mole fraction, X, of each of these gases.
October 16, 2013

Chemistry
If an ideal gas has a pressure of 5.63 × 105 Pa, a temperature of 401 K, and a volume of 0.0313 m3, how many moles of gas are in the sample?
October 16, 2013

Chemistry
An aerosol can is empty, except for the propellant gas which exerts a pressure of 1.20 atm at 21 °C. If the can is thrown into a fire and heated to a temperature of 565 °C, what will be the pressure inside the hot can?
October 15, 2013

science
I need to make an acrostic for the word kinetic
October 9, 2013

Boston Tea Party
another question: This was Governor Hutchinson's fault right? because Sam Adams and the Sons of Liberty demanded that the ships leave the harbor.
September 15, 2013

Boston Tea Party
With the Boston Tea Party was it a group of British colonists who boarded the ships and destroyed the tea by dumping it in the Boston Habor?
September 15, 2013

bio/animals
Do cows give birth to ox's? I was reading that an ox is just a castrated bull.
June 26, 2013

Angular Resolution
An astronomer wants to determine whether or not he or she can photograph Castor and Pollux at the same time on a 5 x 8 inch plate using a lens system with a 1200 mm focal length. If the two stars are approximately 5 degrees apart, will it be possible to make the photograph?
April 23, 2013

Optics/Physics
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm. (Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the Earth.)
April 23, 2013

Physics/Optics
What would the image size of the moon be if you photographed it at Cassegrain focus of a 24-inch telescope with a focal length of 9600mm?
April 22, 2013

Optics
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm ( Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the earth).
April 22, 2013

Physics/Astronomy
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm ( Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the earth).
April 22, 2013

physics
An object whose height is 0.670 meters is located 2.00 meters from the face of a thin convex lens with a focal length of 0.780 meters. The image will be located ______ meters away from the lens.
April 17, 2013

The answer to thie problem is 84/100
April 3, 2013

Math
3. -5 + -2
March 18, 2013

Math
3. (-5)-(-2)
March 18, 2013

Math
2. -18 + 2
March 18, 2013

math
-_- I will stare at u foever.
March 11, 2013

math
U all are terrible. I'm a uneducated professer.
March 11, 2013

math
Wronge! ,,!,,,,!!!!!!!!!!!!!!!
March 11, 2013

math
write the simplest form 2.30
February 26, 2013

Physics
a plane is 521 meters horizontally from its intended target traveling at 62.5 m/s in order to hit the intended target from that distance how high is the plane in meters
February 19, 2013

biochemistry
2. Given the following data, calculate the Keq for the denaturation reaction of β-lactoglobin at 25 oC. Δ Ho = -88 kJ/mol, Δ So = 0.3 kJ/mol
February 6, 2013

biochemistry
1. Walking consumes approximately 100 kcal/mi. In the hydrolysis of ATP (ATP → ADP + Pi), the reaction that drives the muscle contraction, ΔGo’ is -7.3 kcal/mol (-30.5 kJ/mol). Calculate how many grams of ATP must be produced to walk a mile. ATP synthesis is ...
February 6, 2013

literature
An author of a detective novel is most likely to use figurative language to
January 30, 2013

Chemistry
1.What is the pH of a solution containing 0.042 M NaH2PO4 and 0.058 M Na2HPO4 ? The pKa of sodium phosphate is 6.86. pH = 6.86 + log [0.058] / [0.042]; pH = 6.86 + 0.14; pH = 7.00 That is my answer to the above question. The following question is what I am having trouble with...
January 27, 2013

math
if you buy 30 apple for 47 dollars how much does 1 apple cost
January 18, 2013

Math
Prove 1+sec2x / tan2x = cotx
January 8, 2013

Math
A boy throws a stone into a lake from a 74 foot high wall. The chart gives the horizontal distance, x (in feet), the rock has traveled from Jesse and the height, y (in feet) of the rock above the lake. Distance, x: (14) (24) (41) (55) Height, y: (86.43) (91.36) (92.19) (85.75...
December 30, 2012

science
how much force is required to keep an overgrown 50 kg ferret moving at a constant velocity across a .33 cos of friction floor?
December 18, 2012

math
joe walked 4 miles north, 9 miles east then 8 miles north and 7 miles east if Al decides to walk straight back to where he started how far must he walk?
November 11, 2012

Physics
A flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 50 kg, designed to rotate at 30000 rpm. At that speed it stores 10 MJ of energy (equivalent to about a cup of gasoline). What is the ring's diameter?
November 2, 2012

Physics
My mistake, wrong button sorry John!
November 2, 2012

Physics
A flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 50 kg, designed to rotate at 30000 rpm. At that speed it stores 10 MJ of energy (equivalent to about a cup of gasoline). What is the ring's diameter?
November 2, 2012

Geography
Okay so here is the question Suppose you are an official in an Eastern European nation. Write a letter to a major manufacturer in the United States. In the letter, explain why the manufacturer might want to set up a factory in your nation. Choose a specific nation and a ...
October 28, 2012

6th grd math
Brenda spent half her money at astore.At another store,she spent half her remaining money and\$6 more.She had \$2 left.How much did Brenda have when she arrived at the store?
September 24, 2012

health
Summarize at least one environmental justice public health issue and discuss the ways in which an intervention strategy or program policy might address this
August 14, 2012

Chemistry
A sample of ammonia gas was allowed to come to equilibrium at 400 K. 2NH3(g) --> N2(g) + 3H2(g) At equilibrium, it was found that the concentration of H2 was 0.0584 M, the concentration of N2 was 0.0195 M, and the concentration of NH3 was 0.430 M. What was the initial ...
July 16, 2012

Geography
By the early 2000s which country was Taiwan's third largest trading partner?(China),(South Korea). ( U.S.),(Japan)
June 8, 2012

ap calculus
find the particular solution y=f(x) to the differential equation with the initial condition y(-1)=3/2
April 28, 2012

ap calculus
write an equation for the line tangent to the graph of f at (-1,3/2) and use it to approximate f(-1,1)
April 28, 2012

calculus
Given f'(x)=3cosx-10sinx and f(0)= -6 Find f(x)
March 20, 2012

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