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xavier

Questions (77)

there are three different ways that we can write ratios
1. 0 answers
2. 186 views
A preliminary survey shows that 20% of college students smoke. In a class of 35 students, what is the probability that more than
1. 0 answers
2. 300 views
How many major “waves,” or periods, of immigration did the United States experience after the Civil War?
1. 1 answer
2. 459 views
What is the exponent in the expression 7^6?
1. 1 answer
2. 240 views
Write the expression using an exponent: 3 * 3 * 3 * 3 * 3
1. 3 answers
2. 557 views
The absolute value of the coordinates are (4, 7). What are the coordinates in Quadrant IV?
1. 1 answer
2. 241 views
Which is a valid generalization about Latin America?
1. 1 answer
2. 415 views
Evaluate the expression for t = 43 and u = 12.tu − t − u =
1. 1 answer
2. 226 views
a modern airplane flies 18 feet in 2 seconds. what is the airplanes speed in miles per hour rounded to nearest hundreth
1. 2 answers
2. 285 views
what was the primary challenge faced by the jamestown colonist during the first few hours
1. 0 answers
2. 316 views
True or false1.) The set of integers contains the set of rational numbers 2.)Every repeating decimal is a rational number
1. 2 answers
2. 3,535 views
Determine the angular velocity if 2.5 revolutions are completed in 10 seconds. Round to the nearest tenth.
1. 2 answers
2. 514 views
Write an equation of sin with amplitude = 2, period = 2pi, and vertical shift = 5
1. 1 answer
2. 663 views
Write an equation of cotangent with period = 3pi, phase shift = -pi, and vertical shift = -1
1. 1 answer
2. 1,597 views
Write an equation of secant with period = pi, phase shift = -pi/2, and vertical shift = 3
1. 0 answers
2. 505 views
why do you think it is necessary to identify your values when using the decide process to make the important decision
1. 10 answers
2. 2,634 views
why does tasha the narrator in the tail think that her summer is ruined
1. 7 answers
2. 1,321 views
On a banked race track, the smallest circular path on which cars can move has a radius of 101 m, while the largest has a radius
1. 1 answer
2. 711 views
Maggie has a box of 300 colored blocks.The box has a equal number of green and blue blocks and an equal number of red and yellow
1. 2 answers
2. 854 views
how did farming in the northeast differ from that in the south
1. 1 answer
2. 372 views
A cannon ball is fired horizontally with an initial speed of 75 m/s from the top of a 50-m tall building. When the ball hits the
1. 0 answers
2. 628 views
Wet air containing 4.0 mole% water vapor is passed through a column of calcium chloride pellets. The pellets adsorb 97.0% of the
1. 2 answers
2. 1,745 views
The moon has radius 1740 km and mass 7.35x10^22? kg.What is its average density?
1. 2 answers
2. 1,445 views
A 0.02kg bullet collides with a 5.75kg pendulum. After the collision, the pair swings up to a maximum height of 0.386m.
1. 0 answers
2. 506 views
A 0.02kg bullet collides with a 5.75kg pendulum. After the collision, the pair swings up to a maximum height of 0.386m.
1. 1 answer
2. 1,444 views
HOW DO I SOLVE THIS PLEASE5�ãx =�ãx -12
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2. 295 views
How do I solve this problem �ã2x -7+8=11
1. 1 answer
2. 388 views
Consider the hyperbola y = 1/x and think of it as a slide. A particle slides along the hyperbola so that its x-coordinate is
1. 1 answer
2. 739 views
When an object exerts a normal force on a surface, the force isMy answer is perpendicular to the surface. Am i correct?
1. 1 answer
2. 1,407 views
What mass of KIO3 is needed to convert the copper in 0.200g of CuSO4.H2O to Cu(IO3)2?my answer is: 0.828g Cu(IO3)2 x (2*214.003
1. 1 answer
2. 3,597 views
What mass of AgI can be produced from a 0.512g sample that assays 20.1% ALI3?
1. 3 answers
2. 5,034 views
Suppose this dude wants to be able to touch the rim of a basketball goal. The rim is 3.048 m above the ground. The dude can
1. 66 answers
2. 975 views
Average human blood serum contains 18 mg of K+ Calculate:a) the molar concentration for each of these species; use 1.00 g/mL for
1. 1 answer
2. 1,549 views
In the experiment of buret calibration, what is the importance of having total buret correction? And does the density of the
1. 0 answers
2. 409 views
If a man and a half finishes a job and a half within a day and a half, how many men can finish 3 jobs within 3 days.Please I
1. 1 answer
2. 456 views
Sea water contains an average of 270 ppm of sulfate ion. Calculate the molar concentration of sulfate given that the average
1. 0 answers
2. 1,113 views
how many milliliter of .750M sulfuric acid are needed to neutralize completely 20 g of NaOH?
1. 2 answers
2. 387 views
Posted by xavier on Monday, February 11, 2013 at 8:28pm.Hello... Asking for help with this one math question to understand how
1. 1 answer
2. 494 views
shape 1 (3.5,-8.5) ,(3.5,-9) , (3,-10.5) , (2,-12)
1. 2 answers
2. 325 views
Find the equation of the parabola through (-15/4 ,2) and (0,-1) whose axis is parallel to the x-axis and the latus rectum equal
1. 2 answers
2. 1,568 views
What is the equation of the circle touching the lines x-3y-11=0 and 3x-y-9=0 having its center on the line x+2y+19=0
1. 0 answers
2. 368 views
What is the equation of the circle touching the lines x-3y-11=0 and 3x-y-9=0 having its center on the line x+2y+19=0
1. 1 answer
2. 382 views
Find the equation of the circle, with radius 1, tangent to the line 3x+4y=5 and having its center on the line x+2y=0
1. 1 answer
2. 431 views
Find the equation of a circle passing through (3,7) and tangent to the lines x-3y+8=0 and y=3x.Please help me
1. 5 answers
2. 1,687 views
Find the equation of a circle passing through (3,7) and tangent to the line x-3y+8=0
1. 1 answer
2. 542 views
A moving point is always equidistant from (-3,2) and the line 2x-y+2=0. What is the equation of its locus?how do you solve this?
1. 1 answer
2. 921 views
Find the equation of a line parallel to 5x +6y = 0 at distance sqrt 61 from (-3,7)I need help please. I don't have any idea
1. 2 answers
2. 1,253 views
The first element of a geometric sequence is 1 and the common ratio is 3; determine the smallest 4 digit numeral that represents
1. 1 answer
2. 494 views
find the equation of the line through (6, -3) and (-4, -7)
1. 1 answer
2. 292 views
Please help me to solve this problem.Find the equation of the locus of a moving point if the sum of the slopes of the line
1. 1 answer
2. 770 views
The ΔHof of gaseous dimethyl ether (CH3OCH3) is –185.4 kJ/mol; the vapour pressure is 1.00 atm at –23.7oC and 0.526 atm at
1. 0 answers
2. 1,174 views
A 0.75–L bottle is cleaned, dried, and closed in a room where the air is 22oC and 44% relative humidity (that is, the water
1. 2 answers
2. 651 views
A 0.75 L bottle is cleaned, dried, and closed in a room where the air is 22°C and 47% relative humidity (that is, the water
1. 1 answer
2. 809 views
I need help with this problemA 0.75–L bottle is cleaned, dried, and closed in a room where the air is 22oC and 44% relative
1. 3 answers
2. 674 views
At a local convenience store, you purchase a cup of coffee, but, at 98.4oC, it is too hot to drink. You add 23.0 g of ice that
1. 0 answers
2. 1,604 views
A 0.75–L bottle is cleaned, dried, and closed in a room where the air is 22oC and 44% relative humidity (that is, the water
1. 0 answers
2. 688 views
Methyl salicylate, C8H8O3, the odorous constituent of oil of wintergreen, has a vapour pressure of 1.00 torr at 54.3oC and 10.0
1. 2 answers
2. 1,739 views
hello im diong meaning match for an exampleinter + scene = interview counter + segment of a whole = ???
1. 3 answers
2. 397 views
GIFT OF THE NILE1. What would be the main mineral resource in lower Egypt?
1. 1 answer
2. 1,042 views
Auppose f is even but g is an arbitrary function (possibly neither even nor odd).(a) Is f �o g still even? Show why or why not.
1. 1 answer
2. 375 views
Hello I am trying to find a site that will play audio reading of the bible. Book of Roman in its entirety?Is this possible?
1. 1 answer
2. 1,024 views
THANK YOU MS. SUE HOW ABOUT #3 - PATTERNS DIVIDED WITH DECIMALS TENTHS, HUNDRETHS....
1. 0 answers
2. 351 views
1. Is there a website that can show me how to divide decimals by10-1000?2. Divide decimals by whole numbers? 3. Patterns with
1. 2 answers
2. 1,037 views
do you know where I can find in abc order all of the STATES AND THEIR CAPITALS MAYBE A LINK. THIS IS FOR MY HOMEWORK
1. 2 answers
2. 376 views
John is 3 times as old as Susan now. In 4 years time John will be 18 years older than Susan. Find John's age and Susan;s age
1. 1 answer
2. 593 views
looking at all the averages on the front board, give at least three possible reasons for the values being different. classroom
1. 1 answer
2. 482 views
What 42 out of 16 simpfly
1. 1 answer
2. 325 views
find the product or quotient . write the strategy you used . write model,break apart, multiplication table ,inverse operations
1. 1 answer
2. 1,079 views
i need to do a case study on France and i have several questions i need help with.Do you know of any good websites that can help
1. 0 answers
2. 546 views
Which of the following would be the best technique to use in order to separate a soluble solid from a liquid?
1. 1 answer
2. 507 views
a person has a hert attack and her condition is stablised but due to inflamatiom in the lung she could not breath so a machine
1. 0 answers
2. 587 views
what must be the genotypes of their children?
1. 1 answer
2. 324 views
the exact position of the squer root of 50 on a number line
1. 1 answer
2. 483 views
1/3 of 18
1. 1 answer
2. 255 views
is there a such thing as a three part lquied supion
1. 2 answers
2. 452 views
by simplifying,show that(2x-3)(2x+3)-(x-4)^2= 3x^2+8x-25
1. 1 answer
2. 488 views
explain an abstract
1. 1 answer
2. 397 views

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