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andrea

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Questions (194)

why is it wise to avoid a struggle with a child about conforming to a particular routine?
1. 4 answers
2. 1,343 views
person whogives to a business or project hopeing to make a profitinvestor
1. 1 answer
2. 304 views
what is cultural blindness
1. 3 answers
2. 393 views
what coordinate point is the solution to the system?{3x+2y=8 {x-y=1 y=x-1 so 3x+2(x-1)=8 3x+2x-2=8 5x-2=8 5x=10 - - 5 5 x=2 Then
1. 1 answer
2. 370 views
what coordinate point is the solution to the system?{3x+2y=8 {x-y=1 (2,1) please don't think i just made that up, it's correct.
1. 1 answer
2. 512 views
solve the system using substitution{x+2y=11 {3x+2y=13 i just told you how to do the other one; it's the same exact method. solve
1. 3 answers
2. 625 views
solve the system using substitution{x+2y=11 {3x+2y=13 i just told u this one
1. 1 answer
2. 329 views
y= 9/11x-179x-10y=179 You need to use parentheses to tell us what the problem is. Is equation 1, y = 9/(11x-17) or is it y =
1. 1 answer
2. 568 views
Whilwind, breeze: Downpour is to ??The answer starts with scr,spr,str,and thr Sprinkle? Spray? Stream? You could try the on-line
1. 1 answer
2. 443 views
You work in the Human Resources department of your organization. You have been charged with recruiting a manager for a
1. 1 answer
2. 729 views
the bottom of a 25-foot ladder is placed 7 feet from a wall. How far will the ladder reach up?Since the ladder, wall, and ground
1. 3 answers
2. 2,742 views
what businesses came under the scrutiny of the sherman antitrust act in the 1800s?
1. 1 answer
2. 414 views
what is the slaves experiences in mid19th century america
1. 1 answer
2. 423 views
my ques ok a coumpond containing 3atoms of carbon an 8 atoms ofhydrogen combined in reaction with oxy molecules the two end
1. 2 answers
2. 552 views
a carbon containing 3 atoms of carbon and 8 atoms of hydrdren combinend in reactionwith oxygen molecules the 2 end products of
1. 2 answers
2. 1,060 views
sir i didn't understand the first i made it more detailed for u though ty
1. 1 answer
2. 400 views
what is c3h8 dioxide or hydrogen
1. 1 answer
2. 390 views
wen determining the formula for a compound its important to no the valance no of each element suppose element a has a valance no
1. 2 answers
2. 559 views
how many neutrons r there in a phosphorus atom
1. 2 answers
2. 889 views
which of the following is not acidic milk saliva softdrink or blood
1. 7 answers
2. 1,164 views
a test liquid has a density of 1.1g ml wen u pour some of it in a cup of water what will happen assuming that they have no
1. 1 answer
2. 396 views
wich of the following shows the correct terms for the two sides of a chemical equation correctly placed to the left or right
1. 2 answers
2. 647 views
sorry i will improve my english which is correct of this equation reactants---products products=reactants reactants=sum or
1. 1 answer
2. 382 views
a compound containing 3 atoms of carbon and 8 atoms ofhydrgen is combined in a reaction with oxegyn molecules the two end
1. 1 answer
2. 1,037 views
a wave front has the form of a ?
1. 4 answers
2. 461 views
who knows the answer to 2*2604(52/9)/7*43+62/56
1. 2 answers
2. 206 views
do you know why we have to leatrn "the stuff" in 5th grade health
1. 3 answers
2. 401 views
Microeconomics is the study of aggregate behavior in the economy?True or false
1. 1 answer
2. 449 views
Write the equation of the line that passes through the point (5, 4) and is perpendicular to y=2x-4
1. 1 answer
2. 332 views
idential point charges of 1.7e-6 C are fixed diagonally on opposite corners of a square. A third charge is then fixed at the
1. 2 answers
2. 602 views
When the change from sponsored programming to network programming took place, the amount of advertising dramatically increased.
1. 1 answer
2. 465 views
how Internet convergence and related issues about privacy protection affect the following aspects of American life:Education
1. 2 answers
2. 1,034 views
write the slope-intercept form of an equation for a line that passes through A(3,4)and is perpendicular to the line that passes
1. 1 answer
2. 490 views
what attitudes toward native americans does this express?
1. 1 answer
2. 463 views
Hi,I have to write an essay for my ap world history class but i am confused on how to write a thesis for it.The instructions are
1. 1 answer
2. 403 views
A balloon in the shape of a sphere is deflating. Given that t represents the time, in minutes, since it began losing air, the
1. 3 answers
2. 1,163 views
Microwave ovens use microwave radiation to heat food. The microwaves are absorbed by moisture in the food, which is transferred
1. 2 answers
2. 1,014 views
Microwave ovens use microwave radiation to heat food. The microwaves are absorbed by moisture in the food, which is transferred
1. 3 answers
2. 1,545 views
How many significant figures are in each of the following a.234 b. 2500 c.0.0034. d. 12.00 e. 0.01010
1. 3 answers
2. 459 views
What is 24388 in scientific notation? And. Give the answer to the following calculations in the proper number of significant
1. 2 answers
2. 519 views
when 45g of an alloy is dropped into 100.0 g of water at 25c, the final temperature is 37c. what is the specific heat of the
1. 3 answers
2. 1,765 views
in 1990, the life expectancy of males in a certain country was 68.1 years. in 1995, it was 70.9 years. let E represent the life
1. 1 answer
2. 477 views
The two angled ropes used to support the crate in the figure below an withstand a maximum tension of 1300 N before they break.
1. 7 answers
2. 8,840 views
Margaret walks to the store using the following path: 0.420 miles west, 0.265 miles north, 0.300 miles east. What is her total
1. 1 answer
2. 1,244 views
A coin dealer, offered a rare silver coin, suspected that it might be a counterfeit nickel copy. The dealer heated the coin,
1. 3 answers
2. 1,320 views
Suppose 150.0 mL of 0.50 M HCl and 150.0 mL of 0.50 M NaOH, both initially at 24.0°C, are mixed in a thermos flask. When the
1. 2 answers
2. 595 views
what is the difference between direct and indirect references?
1. 1 answer
2. 374 views
A 30 kg child slides down a playground slide at a constant speed. The slide has a height of 3.8m and is 7.8m long. using energy
1. 4 answers
2. 2,182 views
A 40%-efficient car engine accelerates the 1300 kg car from rest to 20 m/s How much energy is transferred to the engine by
1. 4 answers
2. 4,119 views
Given the following reaction:HCl(g) + SrO(s) �¨ SrCl2(s) + H2O Calculate the mass of HCl in grams that would react with 11.44
1. 2 answers
2. 684 views
The following reaction is used to produce tungsten(VI)oxide: WS3(s) + O2(g) �¨ WO3(s) + SO2(g)The WO3 is then heated and
1. 2 answers
2. 804 views
what are 1 or 2 causes of loss of product that you may observe when synthesising a coordination compound
1. 1 answer
2. 307 views
how could you improve the product yeild if you had to redo the synthesis
1. 1 answer
2. 293 views
what are 1 or 2 causes of loss of product that you may observe when synthesising a coordination compoundsorry more detail we
1. 1 answer
2. 445 views
A student did not fully mix the solution of Oxalic Acid in the volumetric flask predict and explain the effect of the range of
1. 2 answers
2. 514 views
suppose a pippetting error was made when preparing the diluted vinegar, but the diluted vinigar solution was uniform and the
1. 1 answer
2. 317 views
why would acetic acid concentration of a good vinegar need to be known for commercial reasons and regulatory health and safety
1. 4 answers
2. 1,120 views
In what ways did Europeans' desire for trade with Asia affect the western hemisphere?
1. 5 answers
2. 1,008 views
In 1954, Roger Bannister became the first human to run a mile in less than 4 minutes. Suppose that a runner on a straight track
1. 4 answers
2. 1,173 views
A. There are 28 g of salt dissolved in 400 ml of water. Consider the quantity 0.07 = 28/400.1. Give the name of the quantity if
1. 1 answer
2. 386 views
B. You can get 28 oz of spicy pretzels for $4.40, or you can get 16 oz of regular pretzels for $2.30.1. Which is a better deal?
1. 1 answer
2. 408 views
Problem: A sample of liquid has amass of 1.04 kg and a volume of 1300 ml. If the mass of the sampleis to be increased by 70 g by
1. 1 answer
2. 349 views
Problem: Two blocks of metals have the same mass. The first block has a volume of 827 cm^3 and a density of 4.50g/cm^3.Thesecond
1. 1 answer
2. 910 views
Problem: Two blocks of metals have the same mass. The first block has a volume of 827 cm^3 and a density of 4.50g/cm^3.Thesecond
1. 1 answer
2. 405 views
Problem: A sample of liquid has amass of 1.04 kg and a volume of 1300 ml. If the mass of the sampleis to be increased by 70 g by
1. 1 answer
2. 364 views
A cannonball is fired horizontally from a 240 {m}-high cliff toward a vertical building 720 {m} away with an initial velocity of
1. 4 answers
2. 2,620 views
An object is thrown up at an angle of 40.0 degree above the horizontal and reaches a maximum height H.If the angle is now
1. 1 answer
2. 367 views
A meterstick is held vertically above your hand, with the lower end between your thumb and first finger. On seeing the meter
1. 3 answers
2. 1,393 views
A brick is released with no initial speed from the roof of a building and strikes the ground in 1.50 {s}, encountering no
1. 2 answers
2. 738 views
At an air show, a jet plane has velocity components Vx = 625 and Vy = 415 at time 3.85s and Vx = 838 and Vy = 365 at time 6.52s
1. 4 answers
2. 2,092 views
A meteor streaking through the night sky is located with radar. At point A its coordinates are (5.60 km, 1.25 km), and 1.12 s
1. 2 answers
2. 580 views
You swing a 2.00 kg stone in a circle, using the full length of a thin 80.0 cm rope. At what speed should you swing it so its
1. 2 answers
2. 706 views
You swing a 2.00 kg stone in a circle, using the full length of a thin 80.0 cm rope. At what speed should you swing it so its
1. 2 answers
2. 632 views
A Ferris wheel with radius 14.0 m is turning about a horizontal axis through its center, as shown in the figure below. The
1. 3 answers
2. 1,366 views
A force F is required to push a crate along a rough horizontal floor at a constant speed V with friction present.What force is
1. 6 answers
2. 2,788 views
A 3.00 lb. physics book rests on an ordinary scale that is placed on a horizontal table.The reaction force to the downward 3.00
1. 2 answers
2. 556 views
A person pushes horizontally with constant force P on a 230 N box resting on a frictionless horizontal floor.Which of the
1. 1 answer
2. 710 views
A warehouse worker pushes a crate along the floor, as shown in the figure , by a force of 10.0 N that points downward at an
1. 2 answers
2. 721 views
A box rests on a frozen pond, which serves as a frictionless horizontal surface.If a fisherman applies a horizontal force with
1. 2 answers
2. 565 views
A. What is the mass of a book that weighs 3.20 N in the laboratory?B.In the same lab, what is the weight of a dog whose mass is
1. 4 answers
2. 1,311 views
A worker pushes horizontally on a 2000 N refrigerator on a kitchen floor with a force of 28.0 N.A. If the refrigerator moves
1. 4 answers
2. 4,936 views
Far from any gravity, an astronaut accidentally releases a metal wrench inside a spaceship that is traveling at a constant
1. 2 answers
2. 1,015 views
Math Magicians charges $45 registration fee plus $30 per hour for tutoring. Math Master charges $25 registration fee plus #35
1. 3 answers
2. 1,015 views
(2/3)((7/8)-4x)-5/8=3/8
1. 1 answer
2. 321 views
y = -4x - 2 find the coordinates of the points (1),(-1),(-3).
1. 1 answer
2. 263 views
y = -4x -2 find the y coordinates of the points (1),(-1),(-3).
1. 1 answer
2. 262 views
If the degree measures of the angles of a triangle are represented by x,y,x+y the triangle must be??
1. 3 answers
2. 667 views
The the Hanson's have reduced the average number of hours they watch tv each day from 5.5 hrs. in march to 2.5 hrs. in june.
1. 1 answer
2. 475 views
on a graph starting at 0 and sloping up to 480 on total # of words typed and 16 time in mins. Hannahs typing ability Kerry can
1. 1 answer
2. 462 views
Find the slope of each of the three line segments. Between which two points is the slope the largest? 0 to 3 to 6 to 9 not a
1. 1 answer
2. 352 views
How do I find the slope of each of the three line segments 3,6,9 not on a straight line. then which two points is the slope the
1. 1 answer
2. 424 views
The number of Hybrid vehicles sold weekly at a local car lot increased from 11 in 2006 to 19 in 2008. Predict the number of
1. 2 answers
2. 543 views
Two balls having different masses reach the same height when shot into the air from the ground.If there is no air drag, which of
1. 4 answers
2. 4,046 views
A 1.00 g grasshopper and a 0.100 g cricket leap vertically into the air with the same initial speed in the absence of air drag.W
1. 1 answer
2. 525 views
A 15.0 kg stone and a 150 kg stone are released from rest at the same height above the ground. There is no appreciable air drag.
1. 1 answer
2. 519 views
Which of the following statements about work is or are true? (More than one statement may be true.)A. Negative net work done on
1. 4 answers
2. 7,487 views
Consider two frictionless inclined planes with the same vertical height. Plane 1 makes an angle of 25.0 degree with the
1. 4 answers
2. 1,696 views
A block slides a distance d down a frictionless plane and then comes to a stop after sliding a distance s across a rough
1. 3 answers
2. 1,942 views
One of the tenets of the pseudoscience (i.e., "false science") of astrology is that, in some mysterious way, the positions of
1. 3 answers
2. 1,078 views
The International Space Station, launched in November 1998, makes 15.65 revolutions around the earth each day in a circular
1. 4 answers
2. 1,684 views

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