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Al

Questions and answers by Al

Questions (163)

Lee walks along the edges of a rectangular pool from point A to B to C to D, a distance of 38 metres. Marina walks along the
1. 7 answers
2. asked by Al
3. 3,951 views
Am getting frustrated w/failing to get Quattro Pro formula right. Here's what I'm looking for:Col. A = Base period number Col. B
1. 1 answer
2. 1,121 views
Can anyone help me?Here's what I'm looking for: Col. A = Base period number Col. B = Given number this current period. NEEDED:
1. 1 answer
2. 562 views
Angel's car gets 32 miles per gallon and Mo's car gets 22 miles per gallon. When traveling from Morgan Run to Clinton, they both
1. 1 answer
2. 460 views
How do I find 1 positive and 1 negative coterminal angle for:1) -460 degrees 2) 11pi/4 3) -12pi/5 WERE DO YOU GO TO GOOGLE
1. 1 answer
2. 855 views
The sum of the reciprocals of two consecutive even integers is 11/60. Find the integers.......1/n + 1/(n+2) = 11/60 what is the
1. 4 answers
2. 1,629 views
1/x + 1/x+2 =11/60What's the first step to find value of x? Multiply both sides of the equation by x(x+2) You get: x+2 + x =
1. 1 answer
2. 403 views
How does the American dream play a part in the tragedy of Jay Gatsby?Please post your answer and we'll be glad to critique it.
1. 1 answer
2. 453 views
explain a theme in the great gatsby, multiple paragraphsWhat theme do you want to explain? Please post your answer here and
1. 1 answer
2. 564 views
For each reaction in a lab I have to write:1. the balanced molecular equation including states of matter 2. the balanced
1. 1 answer
2. 629 views
How many valence electrons does molybdenum have?it depends, it can either have valence electrons of 6,5,4,3,2.
1. 1 answer
2. 1,063 views
How many valence electrons does molybdenum have? (give only 1 answer)Go to this site and look for the electrons available in the
1. 3 answers
2. 5,733 views
these are some questions i am having trouble with:1. what margin is required to ratify treaties 2. where in the constitution is
1. 2 answers
2. 762 views
SUPPOSE THAT THE ELECTRIC POTENTIAL OUTSIDE A LIVING CELL IS HIGHER THAN THAT INSIDE THE THE CELL BY .068 V. HOW MUCH WORK IS
1. 2 answers
2. 596 views
Hi,3D GEOMETRY (P) a surface. (AB), (AC), (BC) lines that intercept the surface in three points M1, M2, M3. We have Vector(M1A)
1. 1 answer
2. 470 views
A 50 kg skater pushed by a friend accelerates 5 m/sec. How much force did the friend apply?
1. 4 answers
2. 1,602 views
Find the volume of the solid obtained by rotating the region enclosed by the graphs of y=15-x, y=3x+11 and x=0 about the y-axis.
1. 2 answers
2. 875 views
Describe what the graph of interval [-4,10] looks like.
1. 1 answer
2. 347 views
what is the answer to this, please work it out. this is a fraction but i could not format it as such.Thanks! 5x(2)(squared) -
1. 1 answer
2. 473 views
A plant is placed in bright sunlight. After a few hours, one of its leaves is stained with iodine solution. Which structure will
1. 2 answers
2. 637 views
A 5 kg mass is thrown up with a velocity of 4 m/s from a height of 30 m onto a spring with a relaxed length of 10 m, and a
1. 4 answers
2. 391 views
(1) A virtual image -7 cm tall and 17 cm away from a mirror is created by an object 7 cm away from a mirror. How tall is the
1. 3 answers
2. 578 views
Maximize z=16x + 8y subject to:2x + y<30 x +2y<24 x>0 y>0
1. 3 answers
2. 440 views
Maximize z=16x + 8y subject to:2x + y<30 x +2y<24 x>0 y>0
1. 3 answers
2. 404 views
How can you use the measures of the interior angles of regular polygons to show that a platonic solid cannot be made from
1. 2 answers
2. 1,275 views
Solve the integral:S (e^-cosx)(x^2)dx
1. 1 answer
2. 252 views
convergent or divergent?a_n = (sin2n)/(1+n^1/2)
1. 1 answer
2. 296 views
A worker tearing down a barn uses a crowbar 4feet long with the shorter endbeing 2 inches from the fulcrum. If the worker can
1. 3 answers
2. 453 views
Which of these is a simple sentence and why? 1) Karen and David arrived at the airport at 3:35 p.pm and took a taxi to their
1. 2 answers
2. 622 views
Five numbers are to be picked, without repetition, from 44 numbers to determine the winner of the Fortune Five game in the state
1. 2 answers
2. 505 views
does the color of shingles affect the temperature inside your house?
1. 1 answer
2. 322 views
When ice melts, it absorbs 0.33 per gram.How much ice is required to cool a 11.0 drink from 75 to 37, if the heat capacity of
1. 2 answers
2. 604 views
Global warming refers to the rise in average global temperature due to the increased concentration of certain gases, called
1. 2 answers
2. 1,310 views
When ice melts, it absorbs 0.33 kJ per gram.How much ice is required to cool a 11.0 oz drink from 75 degree Fahrenheit to 37
1. 3 answers
2. 669 views
How much heat would be required to warm Earth's oceans by 1.0 degree celsius ? Assume that the volume of Earth's oceans is
1. 4 answers
2. 2,593 views
For the reaction P4(s) + O2(g) = P4 O10(s)Identify the limiting reaction mixture conataining 1.00 mol each of P4 and O2
1. 1 answer
2. 356 views
NH3(g) + 202(g) = HNO3(aq) +H2O (l)Is this reaction a combination, decomposition, single replacement, double replacment or
1. 7 answers
2. 815 views
In cost in millions of dollars to remove x% of pollution is a lake modeled by C=5,000 over 200-2x.(a) What is the cost to remove
1. 2 answers
2. 734 views
A diver running 1.2 m/s dives out horizontally from the edge of a vertical cliff and reaches the water below 3.1 s later. How
1. 2 answers
2. 883 views
The solubility of calcium sulfate at 30 degrees C is .209 g/100mL solution. calculate its Ksp.
1. 1 answer
2. 458 views
Synthesis sqrt(2*x^2-5*x-12)
1. 1 answer
2. 282 views
Suppose that a set of test scores from a class you teach is symmetric and bell-shaped. That's means that there are some scores
1. 1 answer
2. 489 views
sin y = x^2 = y in an open interval 0¡Ü x ¡Ü 2¦Ð find dy/dx
1. 1 answer
2. 302 views
Statement: Most compounds that produce this in aqueous solution are ionic. Does this statement refer to an acid or a base or
1. 5 answers
2. 409 views
How can I find the derivative of y = [ln(x+4)^3]^2 ?
1. 1 answer
2. 323 views
If you had 5 grams of Na and 5 grams of Br, which would have more atoms
1. 1 answer
2. 268 views
If you had 5 grams of Na and 5 grams of Br, which would have more atoms
1. 1 answer
2. 312 views
(c) A force vector with a magnitude of 44 lb that is in the third quadrant with an x component whose magnitude is 38 lb.
1. 1 answer
2. 356 views
(c) A force vector with a magnitude of 44 lb that is in the third quadrant with an x component whose magnitude is 38 lb.find
1. 1 answer
2. 395 views
(c) A force vector with a magnitude of 44 lb that is in the third quadrant with an x component whose magnitude is 38 lb.find
1. 1 answer
2. 355 views
Show that (1-2*x*y+1)/(x^2*y-x) simplifies to -2/x
1. 1 answer
2. 262 views
A volume of 25.0 mL of 0.100 M CH3CO2H is titrated with 0.100 M NaOH. What is the pH after the addition of 12.5 mL of NaOH? (Ka
1. 2 answers
2. 685 views
Need help with this problem Substitution5x-3y=-11 (1) 3x+2y=1 (2)
1. 1 answer
2. 360 views
solve equations by elimination2x-6y=3 (1) 4x+9y=-1 (2)
1. 3 answers
2. 360 views
I solve this equation by the substitution method 7x-4y=13 x=3 and I got y=2 and x=3 am I right.Thanks
1. 1 answer
2. 465 views
Consider the expected conductivities of CaCl2(aq) and Ca(OH)2(aq). Which of these can be expected to have the higher
1. 3 answers
2. 1,443 views
what is the square root of 5 divided by 2 times the square root of 125?
1. 1 answer
2. 289 views
It takes 175 kJ of work to accelerate a car from 23.9 m/s to 27.7 m/s. What is the car's mass?
1. 1 answer
2. 382 views
Can you tell me if everything is correct?Final Grammar Test Part I: True or False 1. The following word group is a FRAGMENT:
1. 4 answers
2. 914 views
Should I use a comma after story and after the question mark as shown below?“Have you ever read the story, ‘The Tell-Tale
1. 2 answers
2. 539 views
factor labels200ml per hour to kl per year
1. 2 answers
2. 832 views
If A=(x-y)-z and B=x-(y-z), then A-B= what?
1. 1 answer
2. 310 views
5 4 10b b 6 ?5a 2a 40 2 2 5c The above numbers are presented in 3 sets of 4 boxes each. What is the missing algebraic expression
1. 1 answer
2. 317 views
5 45a 2a 10b b 40 2 6 ? 2 5c What is the missing algebraic expression?
1. 1 answer
2. 345 views
5 45a 2a 10b b 40 2 6 ? 2 5c What is the missing algebraic expression? Express your answer in terms of c.
1. 1 answer
2. 347 views
1000 yds of fencex 1000-x 1. Show that the area function to be maximized is A(x) = ( pi + 4 / 16pi) x^2-125x+62500 2. Show that
1. 1 answer
2. 399 views
Mrs Sim spent some money on 45 buns. She spent the same amount of money on 20 muffins. Each muffin cost $0.95 more than each
1. 3 answers
2. 1,141 views
May and Bill took 49 hours to complete their History project. They worked separately on their own project. If May had worked 5
1. 4 answers
2. 348 views
Sasa had some 20-cent and 50-cent coins.7/8 of the coins were 20-cent coins and the rest were 50-cent coins.After Sasa had spent
1. 4 answers
2. 760 views
Shop A sold a notebook for $1200. This was 125% of the price of a similar notebook sold in Shop B. Find the price of the
1. 2 answers
2. 892 views
Class A has the same number of students as Class B. The ratio of the number of girls in Class A to the number of girls in Class
1. 1 answer
2. 395 views
Observe the patterns in the sequence below. What is the missing algebraic expression in the box? Express your answer in terms of
1. 1 answer
2. 357 views
The ratio of A's stickers to B's stickers was 3:4.After A bought another 18 stickers and B lost 10 stickers, the ratio became
1. 4 answers
2. 495 views
Jon and Remy were in a car race. When Jon finished the race in 45min, Remy had only driven 2/3 of the distance. Remy's average
1. 3 answers
2. 416 views
The price of a camera increased from $75 to $90 find the percent of the increase price
1. 3 answers
2. 544 views
How long does it take a care traveling 100 mph to catch up to a car traveling 80 mph
1. 6 answers
2. 561 views
2. The 1978 Supreme Court decision in Bakke v. Regents of the University of CaliforniaA. established the rights of students
1. 3 answers
2. 530 views
what is 13/16 minus 1/4?
1. 4 answers
2. 153 views
One of the proposed mechanisms for the lift of an aircraft is the pressure difference that develops due to the aerodynamic shape
1. 4 answers
2. 411 views
There are 100 runners, each given a distinct bib labeled 1 to 100. What is the most number of runners that we could arrange in a
1. 1 answer
2. 452 views
When switched off, a spinning ceiling fan slows down with an angular acceleration of 1.2 rad/s2. If the fan was spinning at the
1. 2 answers
2. 1,145 views
Determine the sulfate ion concentrate in a solution prepared by diluting 15.00 ml of 0.115 M Y2(so4)3 with 35 ml of water?
1. 1 answer
2. 434 views
6) The relationship between force and acceleration is given by Newton’s 2nd Law: Fnet = ma. In this case this becomes:
1. 4 answers
2. 1,085 views
N_v/N_s =Ae ^-change Hv/kT. What is the value of e^?Thanks.
1. 1 answer
2. 291 views
Small gene big plasmid Question 2 Part E wrong. Question 2 Part F Determine the DNA sequence of PCR products. I do not
1. 1 answer
2. 466 views
I have been having a problem with solving a chemistry problem. The problem requires finding the density in copper at 1305K (the
1. 2 answers
2. 544 views
I have been having a problem with solving a chemistry problem. The problem requires finding the density in copper at 1305K (the
1. 1 answer
2. 491 views
I posted a question earlier today to determine the vacancy density in copper. The formation of 1 mole in Cu is 104kJ.
1. 1 answer
2. 414 views
DDD I may not be using the right formula. I am getting negative answers. Down to last chance.
1. 1 answer
2. 286 views
determine the density in copper at 1305K. 1 mole of vacancies in copper is 104kJ. The answer I calculated this time is
1. 1 answer
2. 358 views
ANY ANSWERS WILL HELP! THANKS!1. Isolated points of electric charge are called ____. 4b. ____ was the American physicist who
1. 2 answers
2. 752 views
Assume that the mass of a neutron star is 1.5 times that of the Sun and the radius of the neutron star is 10 km. Ignore effects
1. 4 answers
2. 1,065 views
A car has a flywheel ( a diks of R=0.2m and uniformly distributed mass M=100kg) that can convert 25% of the rotational kinetic
1. 2 answers
2. 644 views
A 50kg girl sits at the top of a slide 6m long tilted at an angle of 30 degrees. if it takes her 3.3s to slide to the bottom and
1. 1 answer
2. 412 views
Do you think the CRTC's restriction on media freedom were reasonable in the 1960's? DO you think they are reasonable now?
1. 2 answers
2. 1,179 views
1)How did enlistment in the Canadian military change between first world war and second world war? What changed?I have a few
1. 2 answers
2. 575 views
Kelly's scores on the first three tests in her physics class are 79, 84, and 68. Determine all scores on the fourth test that
1. 2 answers
2. 583 views
What are the ethical dimensions of bill 94?(Bill in Quebec that banned face covering in any government funded building such as
1. 2 answers
2. 975 views
What are ethical dimensions? I've searched google but I don't understand what it means.
1. 1 answer
2. 466 views
I still need help with what ethical dimensions are, I understand that it's 'the scope of right and wrong''the extreme of right
1. 3 answers
2. 520 views

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