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Posts by dd

Total # Posts: 151

math
Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14, maximum at 21. The bottom...

maths
two poles 6m and 15m tall are 20 m apart a wire is attached to the top of each pole and is also staked to the ground some where b/n two poles where should be the wire be staked so that the minimum amount of wire be used?

MATH
Out of 1200 pupils in a school, 900 are boys and the rest are girls. If 20% of the boys and 30% of the girls wear spectacles,find: a.how many pupils in wear spectacles b.what percent of the total number of pupils wear spectacles.

math
If you cut off 5pieces of glass from a 14 feet long, how long should each pieces

History
which answer best describes andrew johnson's relationship with the radical republicans? A:he founded the radical Republican movement B: he worked with the radical Republicans to pass important legislation C: you frequently voted legislation presented by the radical ...

social studies
jygfgvhbj

math
A flag pole sits on the front lawn of a school, 6.6 m from the front door. The angle of elevation from the base of the school to the top of the pole is 38°. Determine the height of the flagpole, to the nearest tenth of a metre.

math
Yesssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss!

Health
Thanxs salted caramel

us history
D B C A D I got a 100%

math
1 A C D 2 A 3 C 4 B 5 C I got a 100%

math
1 A C D 2 A 3 C 4 B 5 C

grammar
The team of reporters stunned their audience when the results of the election were revealed.

Social studies
plzzzzzz help :(

Social studies
5. William Tecumseh Sherman's "march to the sea" headed toward; A) Charleston, SC ****** B) Richmond Virginia C) Savannah Georgia D) Baltimore, Maryland 7. What battle began when the Union cavalry surprised the Rebel infantry raiding the town for shoes? (1 point...

english
well they were all right

english
Someone check these pleaseeee ????

english
2. Which of the following is the best reason to use visuals in a research presentation? A)) to illustrate your main point in an engaging manner B)) to illustrate any topic with data in percentages C)) to show different ways of looking at the same information D)) to show the ...

english
ok thank you very very much

english
I think it's c and b

english
which sentence contains a participial phrase? a) she wanted to spend time writing. b) her job is giving the attic dwellers their food. c) quickly snatching up the coat, she ran to her room. d) to get along well requires cooperation. which sentence contains an infinitive phrase...

english
I think it's a // everyone

english
Someone please help

english
In the following sentences, what word does the participial phrase modify? Everyone in the annex heard her screaming loudly. (1 point) a) everyone b) annex c) heard d) her pl E A S E HE L P

physics
dsvfsv

chemistry
What is the molality of 67.1g of Nano3 in 2.5l of water i get the molar mass of nano3 and divide it by the 67.1g and multipy it by 2.5l

chemistry
calculate the energy required to raise the temp of 72g of water from 50c tp 150

chemistry
is finding the molality and molarity the same concept

chemistry
IS IT POSSIBLE IF YOU CAN DO THIS ONE FOR ME SO I CAN DO THE REST ON MY OWN SO I HAVE A IDEA OF WHAT TO DO AND WILL BE EASIER TO UNDERSTAND

chemistry
how much heat is required to raise a 54g sample of water from -20 celsius to 90 celsius explain

chemistry
Dr Bob i would really like to thank you for your time this has greatly helped my learning in school

chemistry
How do u tell of a solute is polor or non polar based on what

chemistry
how many moles of solute are contained in 18.5ml 2.5m CaCL2

chemistry
is finding the molality and molarity the same concept

chemistry
it wud help alot if you can plug in and show how

chemistry
What is the ppm of 4.50mg of ddt in 10kg of seal fat?

chemistry
Increasing pressure does what to solubility. Increasing surface area? increasing temp?

algebra2
Tim has a pool slide that makes an angle of 25 with the water the top of the slide stands 4.5feet above the surface of the water A:how far out into the pool will the slide reach B:The slide makes a straight line into the water. How long is the slide

algebra2
At a hot air balloon festival jim watches a hot air balloon rise form a distance of 200 yards. A:From jims position the ballon seen to hover at angle of elevation of 50 What is the height of the ballon B:After a while the ballon seems to hover at an angle of 75 how high is it ...

algebra2
A kite string is 102 feet long. the angle between the kite string and the ground is 54.9. how high is the kite

please check my english
all of those answers are wrong you will get a F

Chemistry
I cant understand anything

algebra2
MS TAn bought a bmw for 62,000. The price of a bmw depreciates at the rate of 12% per year. How much will the saving account have after 30 years

algebra2
a saving account with an initial balance of $15000 grows at 1.33percent per year compounded continuously. How much will the saving account have after 30 years?

Math 6th
hyffdf

calc
Each of the regions A, B, and C bounded by f(x) and the x-axis has area 5. Find the value of ∫2 [f(x)+3x^2+2]dx. −4 I know to solve I can find the antiderivative of the equation but im not sure how to do this because of the f(x) in the parentheses.

physics
Two blocks with masses m1 = 13.4 kg and m2 = 74.2 kg, shown in the figure, are free to move. The coefficient of static friction between the blocks is 0.55 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against m2?

Corporate Finance
da

math
Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...

Math
If 1/3 of. My salary is in one bank, 1/5 in another and 1/6 in another how much I have left

health
its not C.

Statistics
Suppose 5 cards are drawn, without replacement, from a standard bridge deck of 52 cards. Find the probability of drawing 4 clubs and 1 non- club.

writting skill part 2
c.(studios)

writting skill part 2
c.

science help plzzz
B B D B C

kjkj
550.341

Physics 101
49

Chemistry
i don't know

Chemistry
2.56 good answer

Chemistry
The density of methanol is .7918 g/ml/ How many grams of methanol do I have to add to 35.0ml of water to make a solution containing 25% methanol?

statistics
Researchers conducted a survey of parents of 66 kindergarten children. The parents were asked whether they played games with their children. The parents were divided into two groups: working class and middle class. The researchers wanted to know if there was an association ...

Math
Which statement(s) is/are true?Select one of the options below as your answer:A. A 25° angle is congruent to a 25° angle.B. Two intersecting lines form two pairs of congruent angles.C. It is possible for congruent angles to add up to 90°.D. All of the above are true.

math
x-y+z=3 2x-y+z=4 x+2y-z=-1 solve in Gaus-Jordan method

Physics
the C is wrong for me using the b in di/dt

Physics
E⃗ = 8.6 xˆsin(2πλz + 5.91e16 t) V/m B⃗ = Bo⃗ sin(2πλz + 5.91e16 t) Tesla o can you explain the formula what is n, c and omega?

Algebra
6964.4

Physics
how is you process?

Physics
contact me ulisesvzv @ gmail . com i have the half of answers

physics
A coil consists of N=105 turns of wire wrapped uniformly around a plastic torus. The inside radius of the torus is r0=0.12 m and the outer radius is r1=0.14 m. Thus, each winding has a diameter d=0.02 m. What is the self-inductance (in H) of this coil? Work in the ...

physics
thanks, do you have the c?

physics
Consider a circuit with an RL series with L=0.09 H and R=0.05 Ohm. At t=0 the circuit is connected to a battery which provides V0=12 V. (a)How long does it take to the current to equal a fraction 0.95 of the steady state current? (b) What is the energy stored (in Joules) in ...

physics
Consider the process of charging a parallel plate capacitor with circular plates of radius R=5 cm separated by a distance d=0.2 cm. At some time t1, the capacitor is being charged with a current I=0.075 A. Consider a point P on the plane which is equally distant from the two ...

physics
i have the answer, thanks :)

physics
Compare the total magnetic energy in two solenoids, each with N turns, area A, and current I, but length x and 2x. Denote Ux the total magnetic energy in the solenoid with length x, and U2x the one in the solenoid with length 2x. What is U2x/Ux?

Physics
a and d please

Physics
i got it, is the negative :)

Physics
C) i3 please, i3 isnt same to i2

physics
i need only the c1

math
1248

science
dddddddddd

math
5,128,000

chemistry
2. Baking soda is sodium bicarbonate (NaHCO3). When you heat baking soda, it breaks down into sodium carbonate powder (Na2CO3), water vapor, and carbon dioxide. The enthalpy of this reaction is 129 kJ. Write a correct thermochemical equation for this reaction, explain how you ...

science
A. 1.36 m/s B. 0.06 m/s C. 8 m/s D. 4.5 m/s

Math
You guys suck

physics
if a steel flagpole get 5.1 mm taller when temperature increase by 5.0 degree celsius approximately how tall is the flagpole?

Chemistry
How do I figure out how to balance 1 mole of carbonic acid with 1 mole potassium hydroxide? And balance a chemical reaction of sodium bicarbionate with hydrochloride acid?

physics
a cyclist must travel 1500 km . how many days will the trip take if the cyclist travels 8 h/day at an average speed of 25 of 25 km/h ?

economics
For example the productive needs of the firm would be to set (Marginal Revenue = Marginal Costs (MR = MC) and create excess profits for the firm. However, as far as what is in the best interests of society it might be Price or (Average Revenue) = MC. Give the answers of both ...

economics
How do minimum wages affect equilibrium price?

maths methods
Find the angle of depression from top of a 500 m long chairlift with a vertical height of100 m

physics
1. The best leaper in the animal kingdom is the puma, which can jump to a height of 12 ft when leaving the ground at an angle of 45°. With what speed, in SI units, must the animal leave the ground to reach that height?

math
Ddtfyyfy

math
is the realtion a function? explain (1,1), (2,1), (3,1), (4,1)

Math
An open box with a square base is to bemade to organize items in the trunk of a car. It is planned to use an area of 16m square of flexible plastic forthis box. What are the dimensions of the box for max volume?

physics
edfv

Literary Analysis and Composition
Taking the same test!!! right now there are no answers to be found but hey it was worth a shot

spanish NEED HELP!!!!
number 7 is Hablaran NOT supieran

Java Programming
// Create a Scanner object to read input. Scanner keyboard = new Scanner(System.in); // Get the Purchase Amount System.out.print(" What is the Purchase Amount?"); purchaseAmount=keyboard.nextDouble( ); stateSalesTax=0.04*purchaseAmount; countySalesTax=0.02*...

AP chemistry
fg

math
dfdf

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