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harry

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Questions (87)

A 10O0Kg elevator is hoisted upward from rest by a cable. In the first two seconds there is an 1100N tension force in the cable
1. 1 answer
2. 528 views
A rocket weighs 1 x10^7 N while on the surface of the earth. The ignition of its engines results in a lift off force of 1.5 X
1. 1 answer
2. 536 views
write the equation for copper(II) sulfate pentahydrate and ammonium sulfate forming:Cu(NH4)2(SO4)2*6H2O not sure how to balance
1. 3 answers
2. 1,441 views
Question Details:Finding Regression for each set of data & finding best fit equation for each set of data: Data 1: X: 1 2 3 4 5
1. 1 answer
2. 557 views
How do you solve 1/16=64^(5x-4)?thank you Notice that 16 and 64 are both powers of 2. 2^-4 = 2^6(5x-4) take log base 2 of each
1. 1 answer
2. 426 views
name ten countries using different techniques in industries
1. 1 answer
2. 302 views
Listening to a CD has been the method of listening to music for the last 20 years. Now downloading on Itunes and sharing MP3
1. 5 answers
2. 909 views
consecutive odd integer problemfind two odd integers the sum of whose squares is 130. (sq)=squared let x= 1st odd int let
1. 4 answers
2. 635 views
consecutive odd integer problemfind two odd integers the sum of whose squares is 130. (sq)=squared let x= 1st odd int let
1. 2 answers
2. 717 views
I REALLY NEED HELP ON THIS. I WOULD BE GRATEFUL IF SOMEBODY COULD FIGURE IT OUT: A A A AIRBORNE AND AND AND AND AND AND BECOMES
1. 6 answers
2. 348 views
can you solve this equation by using simultaneous equations and can you write the method please?Sarah and Louise have a combined
1. 3 answers
2. 764 views
why were the romans so well behaved when they were at soldier school
1. 2 answers
2. 864 views
Let B=0 1 1 0 Find B if it is to the negative one power. (Its supposed to be a matrix, but I don't know how to write the
1. 3 answers
2. 388 views
Using the inverse of:2 1 -3 4 Find 2x+y=2 -3x+4y=1
1. 4 answers
2. 300 views
How can one earthquake cause anotehr one?
1. 1 answer
2. 268 views
Graph the function.y=-1.6(6)^x What is the domain and range?
1. 1 answer
2. 351 views
If an element has three electrons in its outmost evergy level, what charge would most likely form on an ion from this element?
1. 1 answer
2. 405 views
simplify:y = 5x + 3 (6x^2 - 2x)
1. 1 answer
2. 289 views
i need an 8 letter word with only the consonant N and it is used 4 times
1. 3 answers
2. 397 views
Calculate the equilibrium constant for the weak base CH3NH2, if a solution of the base with an initial concentration of
1. 2 answers
2. 885 views
inverse of y=(x+6)^3+3
1. 3 answers
2. 237 views
the domain and range of y=1/(x-2)
1. 1 answer
2. 310 views
in f(x)=ln(x/x-1) how would you write an exporession for f^-1(x), where f^-1(x) denotes the inverse of f(x)
1. 3 answers
2. 319 views
what happens to bacteria between tempretures five degrees and sixty three degrees
1. 1 answer
2. 344 views
for my history homework i need to make a leaflet or poster demonstrating different attitudes to war.im not sure what to do. i
1. 1 answer
2. 403 views
A school sells tickets for a show, (a) adult tickets and (c) child tickets.1) each adult ticket costs $8 and each child ticket
1. 4 answers
2. 659 views
factorise1. 3a^2 - 2a - 8 2. 3x^2 + 31 + 10 3. 64y^2 - 49 please help thankyou
1. 1 answer
2. 423 views
paul did 9 tricks in 2 minutes and 15 seconds.how many seconds did each trick take?
1. 3 answers
2. 377 views
how would you get iron from iron oxide?
1. 1 answer
2. 341 views
model rocket is launched straight upward with an initial speed of 50.0 m/s. It accelerates with a constant upward acceleration
1. 4 answers
2. 808 views
you have 8 moving boxes that you can use to pack for college. each box holds 15 lbs of clothing or 60lbs of books. let c be the
1. 1 answer
2. 307 views
how do i differentiate √secx+tanx ??
1. 3 answers
2. 436 views
An electric circular saw is designed to reach its final angular speed, starting from rest, in 1.16 s. Its average angular
1. 4 answers
2. 784 views
Please tell me a software to edit ,write PDF files with all the necessary functions in a word document that i can free download
1. 3 answers
2. 377 views
Why am I getting error called that the renaming refractor cannot apply in this context when trying to change a name in the
1. 4 answers
2. 409 views
a single card is drawn from a deck. find the probability of selecting a 10 or a diamond.
1. 4 answers
2. 1,139 views
one box holds 16 crayons. ANOTHER BOX HOLDS 24 CRAYONS. wRITE A SENTENCES USING WOLDS THAT COMPARES THE CRAYONS IN THE TWO
1. 2 answers
2. 846 views
if the isotonic solution in our body reduces like near to negligible then what would be the effect will it make on hematocrit
1. 1 answer
2. 340 views
1.) The first person who requires your assistance is Tina the bearded lady. Tina’s side job is to look after the elephants
1. 1 answer
2. 471 views
Calculate the Coulomb potential due to the nuclei at a point in a LiH molecule located 200 pm from the Li nucleus and 150 pm
1. 3 answers
2. 827 views
One enzyme- catalyzed reaction in a biochemical cycle has an equilibrium constant (K1) that is 10 times the equilibrium constant
1. 4 answers
2. 1,614 views
Find the value of csc Q for angle Q in standard position if the point at (3, –1) lies on its terminal side.
1. 2 answers
2. 582 views
y = x2 + 6x
1. 2 answers
2. 224 views
Give a formula for the function illustrated using a vertical shift of an exponential function. The two points marked on the
1. 3 answers
2. 3,126 views
200 gram cube is moved by a 100 gram water filled Styrofoam cup
1. 1 answer
2. 448 views
Ive been absent from class because of the flu so i don't have a clue how to figure these out! Help! due tomorrow at 12!1).Suppos
1. 1 answer
2. 469 views
Estimate the Cl-As-F bond angle
1. 1 answer
2. 302 views
What is the pH of 50 mL of a 0.2M glycolic acid aqueous solution after adding 5 mL of 0.25 M KOH? The pKa of glycolic acis is
1. 1 answer
2. 333 views
Calculate the surface energy of the (100) surface of niobium. The enthalpy of atomization of niobium is 745 kJ/mole. Express
1. 4 answers
2. 344 views
What is the degree of polymerization, n, of polypropylene with a molecular weight of 600,000 g/mole?
1. 3 answers
2. 341 views
A pressure vessel contains a large volume of CO2 gas at 10 atm pressure. A membrane composed of a poly(ether ketone) polymer
1. 7 answers
2. 557 views
Which is the higher density of polyethylene, linear or branched? Select the choice with the best accompanying explanation
1. 1 answer
2. 864 views
the standard free energies of formation of SO2(g) and SO3(g) are -300.4 and -370.4kJ mol-1 respectively. Calculate the value of
1. 4 answers
2. 923 views
list the following substances in order of increasing molar entropy at 25'c.H2O(l), H2O(g), H2O(s), C(s), Ar (g) Explain your
1. 2 answers
2. 626 views
a gas sample heated in a cylinder uses 650kJ of heat. a piston that compresses this gas does 800kJ of work. What is the change
1. 1 answer
2. 499 views
enthalpy change^H is +23kJ mol-1 of phosphine (PH3) for the reaction2P(s)red+3H2(g)---->2PH3(g) a) Calc. entropy change for this
1. 1 answer
2. 1,091 views
Find the centroid of 4 particles of equal mass located at (0,0), (4,2), (3,-5), and (-2,-3)
1. 1 answer
2. 358 views
Find the particular solution of the following differential equation by using the given boundary conditions.y(1+x)=x(y+1)(dy/dx)
1. 1 answer
2. 626 views
Find the coordinates of the centroid of the following volume of revolution formed by rotating the area bounded by y^2-4=-x^2,
1. 1 answer
2. 379 views
Find the specified coordinates of the centroid of the area bounded bya) x=3 and 2x=y^2 find the coordinates x and y of the
1. 1 answer
2. 389 views
find the solution:e^y=1/(y^'+1)
1. 1 answer
2. 650 views
find the solution:(y^(2) dx)/(1-x)=dy
1. 1 answer
2. 262 views
what is the square root of 0.31428 with explanation.by divison method.
1. 3 answers
2. 397 views
19 cars start a race. in how many ways can the top 3 cars finish
1. 2 answers
2. 995 views
A 475 gram box is given a push and it then slides up and back down a ramp with a 35.0° incline. The coefficient of friction is
1. 1 answer
2. 814 views
semir, sarah and sung so decided to raise money for a local homeless shelter by working in a local deli. the deli agreed to
1. 6 answers
2. 1,760 views
consider the inequality 2x+3≤-3. Find the set of all integer solutions of this inequality that are also solutions of the
1. 2 answers
2. 750 views
Two masses are connected by a light cord over a frictionless pulley as shown. If M1 = 8.9 kg and M2 = 5.7 kg, calculate the
1. 1 answer
2. 703 views
Mary has $4.00 in nickels, dimes, and quarters. If she has twice as many dimes as quarters and forty-seven more nickels than
1. 4 answers
2. 1,221 views
A coffee merchant sells a customer 3 lb of Hawaiian Kona at $9.75 per pound. The merchant's scale is accurate to within ±0.03
1. 1 answer
2. 667 views
Susie bought 5 kg of flour and 4 kg of sugar for $14.80.If 3/4kg of flour cost as much as 3/5kg of sugar,find the cost of 1kg of
1. 4 answers
2. 1,990 views
To the nearest tenth, what is the distance between (7,4) and (12,5)?a) 4.8 units b) 4.9 units C) 5.0 units d) 5.1 units Please
1. 5 answers
2. 1,027 views
When 15 is subtracted from a number,the anwser is the same as when the number is divided by 6.
1. 1 answer
2. 457 views
Agus sold packets of sweets to Halim and Kairi in the ratio 8:13.He sold the sweets in 2-kg packets.What was the smallest
1. 4 answers
2. 1,718 views
Tom,Jerry and Ali share 279 marbles. Tom has 4 times as many marbles as Jerry and Ali has 36 more marbles than Tom.(a)How many
1. 3 answers
2. 577 views
Candice makes gift boxes during her free time.She charges 40 cents for a triangular box,50 cents for a heart shaped box and a
1. 4 answers
2. 802 views
Beaker A,B and C contain water with a total volume of 1 litre.Beaker B has 125 millilitres less water than beaker A. Beaker B
1. 1 answer
2. 450 views
A bullet is found embedded in the wall of a room 2.9 m above the floor. The bullet entered the wall going upward at an angle of
1. 2 answers
2. 933 views
A uniform solid sphere is placed on a smooth horizontal surface and a horizontal force F is applied on it at a distance h above
1. 2 answers
2. 699 views
A coconut thrown horizontally at 20 m/s from the top of a hill 63 m high. How far from the base of the hill does the coconut hit
1. 5 answers
2. asked by harry
3. 1,638 views
karen has 60 percent as much as money as leslie. leslie's sum of money is 60 %mof matthews. if matthews gives karen 140, matthew
1. 1 answer
2. 424 views
Iam trying. to unscrambled anruiclme ssepxosneir. please. help. me.
1. 1 answer
2. 341 views
During a sale arianna purchases a sweater listed at $100 . With 20% off and 7% sales tax, How much did she pay for hte
1. 2 answers
2. 765 views
A champion discus thrower throws a discus with an initial speed of 26 m /s. If the discus is thrown upward at an angle of 45o,
1. 3 answers
2. 1,087 views
The majority of Aztecs belonged to what social class?A. nobles B. commoners C. slaves D. priests
1. 7 answers
2. 1,715 views
What is the magnitude of the magnetic field at point B produced by a current I if the magnitude of the field at point A is B0?A)
1. 4 answers
2. 718 views
At what depth in seawater is the gauge pressure 1.0 x105 Pa?
1. 1 answer
2. 190 views

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