# Posts by nick

Total # Posts: 1,338

Algebra
The sum of two numbers is 53. If twice the 1st number minus 3 times the second number is 26, find both numbers.

Math - Statistics
A six-sided die is rolled 36 times. What is the probability that an odd number is rolled at most 15 times? What is the probability that an odd number is rolled exactly 15 times? Use the Normal Approximation to a Binomial.

Social Studies
Thank you!! I really needed this thanks to whoever posted the questions and the answers.

Chemistry
In the electrolysis of water 75.0 cm3 of oxygen gas are produced.How many cm3 of hydrogen are produced ?

math
I think this is what you should put Abby if you want a good grade An exponential has the variable in the exponent, causing the y to grow or decay increasingly quickly or increasing slowly Real world example banks use interest, over months or years...each time the interest is ...

Algebra
The second of three numbers is three times the first. The third is 5 more than the second. if the second is decreased by twice the third number, the result is five? x 3x 3x-2(3X)=5 x= 3/5 ?

Math
the answer is 9.50 - 7.18 _______ 2.32

Math
yes this is how To get the solution, we are looking for, we need to point out what we know. 1. We assume, that the number 260 is 100% - because it's the output value of the task. 2. We assume, that x is the value we are looking for. 3. If 260 is 100%, so we can write it ...

Math
195

Chemistry
hope this helps 1 OH- plus H+ = HOH or H2O One mole of OH- combines with one mole of H+ to make one mole of water. therefore .50 moles of OH- will combine with .50 moles of H+ to make .50 moles of H2O and the solution will be neutral with a pH of 7. 2. Balance the equation ...

Math
i had to help my younger sis with this answer not even ten mins ago.

Math
Circle the letter of the answear in which 503,000,000 is written correctly in scientific notation.(superscript -7, superscript 6,and superscript 8 1)5.03 x 10-7 2)503 x 106 3)5.03 x 108 4)503 million I got number 3 for the answear. And you get the prize. 5.03 x 108 is correct...

Math
I would think that the answer would be 7000 let me know if you don't think this is the answer please?.!

English
it would be A

English
The PAST PROGRESSIVE TENSE indicates continuing action, something that was happening, going on, at some point in the past. This tense is formed with the helping "to be" verb, in the past tense, plus the present participle of the verb (with an -ing ending): I was ...

Math
1=45 feet of ribbon 2 6 tons actually equals 12000 pounds and then you would - that from 7,860 and you would get 4,140 pounds is that what you are looking for?

Math
got anymore questions

Math
Welcome anytime!

Math
5 acres of land in each. you can keep asking me questions you know.

Math
I would go with reading because it takes up the longest time.

health
Identical twins often have similar interests even if they were not raised together. This shows how ________ influences personality development a) modeling b) a peer group c) environment d) heredity d would someone check this answer.

Math
then 13 cup and 3 feet.

Math
Leslie needs 324 inches of fringe to put around the edge of a tablecloth. The fringe comes in lengths of 10 yards. If Leslie buys 1 package of fringe, how many feet of fringe will she have left over? she would have 1 yard left over 2. A jar contains 26 fluid ounces of ...

health
A person who is afraid of heights likely suffers from ( select all that apply ) a)anxiety b) a phobia c) obsessive-compulsive disorder d) an impulse control disorder Would Someone Please Help Me With The answer I Know One Is Phobia But I Don't Know The Other Would Someone ...

geography
Hey Matthew. It's me Nick. Anyways, the cold war probably took place around eastern and western europe. I think.:)

Critical thinking - Reed?
Reed- (x) can also be argued as not acceptable.

Critical thinking - Reed?
Cookey - It is by observation. Because you have seen humans make mistakes before.

Calculus
This guy's explanation is weird because he uses L for a length and w for practically the same length. They can both be labeled x's, making the problem less of an eye sore, and h can be labeled y. Your understanding should skyrocket considerably after this redefinition

Math
an electrician needs to run a cable from the top of a 48-foot tower to a transmitter box located 20 feet away from the base of the tower. Find how long he should cut the cable.

Quantitative Math
Find the amount if \$600 is invested at 14% compounded monthly for 15 months. I don't understand how to set this problem up.

college algebra help******

Calculus
The formula for the amount (A) in a savings account compounded n times per year for t years at an annual interest rate r, with initial deposit P, is given by A=P(1+r/n)^nt. Evaluate this formula as the number of compoundings per year becomes infinite. (the number "e"...

Calculus
A baseball player hits a baseball from home base towards second base with a velocity of 90 feet/second. At that same moment, he runs from home base towards first base at 30 feet/second. Find the rate of change of the distance between him and the baseball after 1 second.

Math
1/4n-4

math
What is 26cm:4m ratio in simplest form?

Physics
A pilot, whose mass is 70.0 kg, makes a loop-the-loop in a fast jet. Assume that the jet maintains a constant speed of 325 m/s and that the radius of the loop-the-loop is 5.922 km. What is the apparent weight that the pilot feels (i.e., the force with which the pilot presses ...

algebra
thank you

Science
thx sooooo much elle

Math
Nine times twelve minus four times two to the power of two plus six equals sixty eight

Tech
Katie is correct!

Music
The quarter note will equal 1 beat.

Math
Let your friends marbles = x Your marbles plus theirs is equal to 48. You have three times as many marbles as her... 3x. 48=3x+x factor 48=x(3+1) 48=4x x=12 your friend has 12 marbles and you have 12*3 marbles or 36.

algebra I
find all numbers such that a third of a number increased by half that number is at least 3 less than that same number. not sure what to do

math
if an object was to fall from 170 feet up from the roof of a building. how many feet would the object land at the bottom of the building?

Physics
A 11.0-µF capacitor and a 50.0-µF capacitor are charged by being connected across separate 55.0-V batteries. (a) Determine the resulting charge on each capacitor. (b) The capacitors are then disconnected from their batteries and connected to each other, with each ...

math
A pole is painted red, blue and green. One third (1/3) of the pole is painted red and one half (1/2) of the poles is painted blue. Five feet of the pole is painted green. What is the height of the pole?

AP Physics
A passenger train is traveling at 27 m/s when the engineer sees a freight train 345 m ahead of his train traveling in the same direction on the same track. The freight train is moving at a speed of 5.9 m/s. (a) If the reaction time of the engineer is 0.36 s, what is the ...

AP Physics
A motorcycle officer hidden at an intersection observes a car driven by an oblivious driver who ignores a stop sign and continues through the intersection at constant speed. The police officer takes off in pursuit 1.56 s after the car has passed the stop sign. She accelerates ...

Urgent math
SORRY 35th term would be 4 + 5(35-1) = 4 + 5(34) = 4 + 170 = 174

Urgent math
(a) What this means is, we are trying to find one number that is added or subtracted from each term to get the next term. Since this is an arithmetic sequence, the d will always be the same. You can find d by subtracting the first term from the second term (9-4) and getting d...

calculus
Sketch the region in the first quadrant enclosed by y=6/x, y=2x, and y=.5x. Decide whether to integrate with respect to x or y. Then find the area of the region. need final area as answer please, and step would be helpful also if you can post.

calculus
Sketch the region in the first quadrant enclosed by y=6/x, y=2x, and y=.5x. Decide whether to integrate with respect to x or y. Then find the area of the region.

calculus
Sketch the region in the first quadrant enclosed by y=6/x, y=2x, and y=12x. Decide whether to integrate with respect to x or y. Then find the area of the region.

calculus
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. y=3+√X, y=3+1/5x What is the area?

introduction to computers
which selection below represents an entry that would be seen in the active box? A. =sum(A1:A3) B. 15 C. (A1:A4) D. E11

math/algebra
why did the kangaroo see a psychiatrist?

Statistics
brewery's filling machine is adjusted to fill bottles with a mean of 33.8 oz. of ale and a variance of 0.004. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability that the next ...

Urgent - physics
Air molecules and dust particles in the atmosphere will scatter sunlight. From a consideration of the position of the sun, estimate the direction of incidence of the sun's rays on the atmosphere. In what direction will an observer on the earth's surface need to look if...

physics
How would you use a piece of Polaroid to look at the bottom of a pond if reflections are a problem? Would it be any different if the pond is covered with a layer of oil? Hint: (Refractive index of water = 1.33 and of oil = 1.5). Show calculations.

Chemistry
A chemist wants to make 150 mL of a 1.26 M solution of carbonic acid to be used in the lab. How many grams of H2CO3 does the chemist need to make this solution? I converted mL to .150L, multiplied .150*1.26= =0.189 to get mol. H2CO3=62.028 so I multiplied this by 0.189 to get ...

Language Arts
Can someone please check these answers I cant risk getting a bad grade at this point. These are from the book "The Giver" 1. At the beginning of the novel, Jonas describes himself as apprehensive. Why is he apprehensive? A. An unknown plane is flying overhead. B. The...

Chemistry
what volume of 0.200M KOH is needed to neutralize 32.7 grams of h3po4, which has been dissolved in 250 ml water?

A submarine travels 16km/h on the surface of the water and 10km/h under water. The sub covers 138km in 12 hours. I) Write 2 equations to represent; (Define Variables) total number of hours: Total distance travelled. II) Use equations to calculate the spent on the surface and ...

The answers are 1.D 2.B 3.A 4.D 5.C i got an 4/5 because 4 wasn't c

Chemistry
At home, you dissolve 26.0 g of AlCl3 in 1.5 kg of water. What is the freezing point of this solution? (Normal f.p = 0.0 C, Kf= 1.86 C kg/mol)

chemistry
How many sigma (σ) bonds and pi (π) bonds are in one molecule of arsenic acid, H3AsO4

physics
A box is suspended by a steel wire via a frictionless pulley The wire has a mass per length of µ = 24.5 × 10 − 3 kg/m. The box is so heavy and the wire so thin that the mass of the wire does not influence the wire tension. The horizontal part of the wire has ...

physics
Did you examine the picture? There are angles involved. The nail is at a 30 degree angle in the wood.

physics
Thank you very much. That makes sense. I will apply that reasoning.

physics
The web address is posted below my question if you would like to see the picture. The (dot)=.

physics
The instructor wants us to use the sum of the torques to figure out the problem.

physics
Yes. Still need help figuring out the forces exerted though.

physics
The figure below shows a clawhammer as it is being used to pull a nail out of a horizontal board. A force of magnitude 130 N is exerted horizontally as shown. (NOTE: Assume that the force the hammer exerts on the nail is parallel to the nail and perpendicular to the position ...

math
given that the rectangle above has a perimeter of 34 units, find m<klj. round the answer to the nearest hundredth

physics
A penny is dropped from the top of a building 310 m high. Ignoring air resistance, if the penny falls straight down, with what speed would it hit the ground?

Calculus
∫ x^3 √(16-x^2) dx evaluated between [0, 4] I know this is solved using trigonometric substitution, but I'm not sure how to work it. Please show steps so I will understand.

physics
a) w= (2pi rad)/60 sec = .105rad/s b) v= wr = .105*24 = 2.52cm/s c) a= 0 rad/s^2

physics
a) w= (2pi rad)/60 sec = .105rad/s b) v= wr = .105*24 = 2.52cm/s c) a= 0

World History

World History
1. What is Social Darwinism and how was it tied to imperialism? Social Darwinism is the belief of “Survival of the Fittest”. During the struggle between nations there were different factors that went into how you were treated like your ranking in society and your ...

World History
What is Social Darwinism and how was it tied to imperialism?

World History
9. In which colony did the United States have control over to make them an imperial power? a. Vietnam b. Philippines c. India is it b?

World History
6. Which form of resistance to British rule in India was MOST effective? a. Non-violent civil disobedience under Mohandas Gandhi b. Sepoy Rebellion ****** c. Pressure from foreign powers 7. European nations used two types of rule, indirect and _________ to control their new ...

World History
4. What was a consequence of British imperial rule in India? a. Indian culture exceled and the people of the country became wealthy. b. Indian people were massacred in Jallianwala Bagh and their culture decimated. c. Gandhi became a prominent leader for the British. 5. Which ...

World History
is it A?

World History
3. Nationalism is… a. Pride in one’s country especially marked by a belief in the superiority over other countries b. Policy of cooperation between nations to expand trade c. Diplomatic strategy to promote exploration I think I know it, but I wanna make sure. what do...

World History
1. Competing among nations to gain foreign territory and influence is the definition of ___________. a. nationalism b. realism c. imperialism I think it's c

L.A

civics
hi i need help on the cold war? and world war 2? what happen in the cold war and world war 2

gen chem
What is the ph of a soulution made by adding 0.20 mole NH3(aq) to 0.30 mole NH4Cl and 0.10 mole KOH to 100ml of water? Kb for NH3 (aq)=1.8x10^-5M

math
The accompanying tree diagram represents a two-stage experiment. (Let x = 0.3, y = 0.7, r = 0.55, s = 0.45, t = 0.55, and w = 0.45.) (a) Find P(A) · P(D | A). Correct: Your answer is correct. (b) Find P(B) · P(D | B). Incorrect: Your answer is incorrect. (c) Find...

English
Is This Parallel? Either you can eat or talk, but you can't do both at the same time.

Math
42x1/3=14 each girl received twice as many tickets or (2x) 14 girls(2x)=840 28x=840 x=30 per girl 15 per boy

Math
john and Julia are playing a game of darts. For each round, eqch of them throws exactly one dart and receives the number of points indicated in region of dartboard where the dart lands. Just after the first round , the dartboard looks like the diagram above. The players are ...

Physics-Electricity
A toaster consists of 4 heating elements that are connected in parallel. The toaster is connected to a 240 V mains supply. When the toaster is switched on, a current of 2.5 A is drawn from the mains supply. Calculate the electrical energy used by a single heating element in ...

Programming
The following is the Ticket for ABOOD Bus service Passenger’s Names: Going to: Date of issue: Report time: Seat no: Fare: Date of travel: Departure time: Bus no: Write a program to generate tickets for 30 passengers and save these tickets in an output document file Hints...

Thermodynamics
thanks i got it in the end

Thermodynamics
what is Tinitial for which?

Thermodynamics
A 196-g aluminum calorimeter contains 530 g of water at 19.8° C. Aluminum shot with a mass equal to 273 g is heated to 100.0° C and is then placed in the calorimeter. Find the final temperature of the system, assuming that there is no heat transfer to the surroundings.