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31x + 8y = 180
1. 1 answer
2. 404 views
7x + 16y = 225Solve using Diophantine equations.
1. 1 answer
2. 508 views
Find all positive integer solutions for 13x + 9y = 190 using Diophantine equations.
1. 2 answers
2. 511 views
At a county fair, adults' tickets sold for $5.50, senior citizens' tickets for $4.00, and children's tickets for $1.50. On the
1. 1 answer
2. 1,447 views
At a county fair, adults' tickets sold for $5.50, senior citizens' tickets for $4.00, and children's tickets for $1.50. On the
1. 1 answer
2. 757 views
Part A requires 4 hours per unit on a lathe and 3 hours per unit on a milling machine. Part B requires 2 hours per unit on a
1. 0 answers
2. 551 views
A train leaves Union Station for Central Station, 216 km away, at 9 A.M. One hour later, a train leaves Central Station for
1. 1 answer
2. 687 views
decimal number patterns rules 4.8, 9.6, 8.9, 17.8, 17.1
1. 2 answers
2. 1,040 views
A bicycle builder makes two models. The basic model requires 2 hours of frame construction, 4 hours of assembly, and 1 hour of
1. 0 answers
2. 700 views
The Carbon coal company has 2 mines, a surface mine ad a deep mine. it costs $200 per day to operate the surface mine and $250
1. 2 answers
2. 821 views
An airline will provide accommodations for a minimum of 2000 first-class, 1500 tourist, and 2400 economy-class passengers.
1. 1 answer
2. 2,601 views
A bicycle builder makes two models. The basic model requires 2 hours of frame construction, 4 hours of assembly, and 1 hour of
1. 1 answer
2. 614 views
Is this system of equations inconsistent? Is it dependent?x = 3y + 4 6y = 2x - 6
1. 1 answer
2. 415 views
Solve using linear combinations.x - 5y = 6 3x + 4y = 18 What are linear combinations?
1. 1 answer
2. 1,067 views
Find the coordinates of any vertices formed. 3x + 4y ≥ 12, 5x + 6y ≤ 30, and 1 ≤ x ≤ 3.I tried graphing this, which
1. 2 answers
2. 533 views
How many set solutions are there for this problem 33x + 103y = 6526?The solution cannot contain negative integers or decimals
1. 1 answer
2. 370 views
This is a riddle, and I'm supposed to find a 5-digit number from it.....My thousand's digit is the first that is perfect, but if
1. 0 answers
2. 1,154 views
A box contains two sizes of bolts. The small size weighs 33 grams. The large size weighs 103 grams. The total weight of the
1. 2 answers
2. 734 views
"The Scarlet Ibis" interpretive essay help.Directions: James Hurst, the author, makes the observation that "pride is a
1. 0 answers
2. 1,184 views
simplify (8 – i) – (4 – i) using Complex Numbers
1. 2 answers
2. 416 views
Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let z2 = 4 cis 115Find z2^6
1. 0 answers
2. 499 views
Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let z2 = 4 cis 115Find z2^6
1. 0 answers
2. 532 views
If A + B = 12, and B + C = 16, What is the value of A + C?A. -4 B. -28 C. 4 D. 28 E. The answer cannot be determined from the
1. 1 answer
2. 659 views
whats the fastest and most easiest way to find all the subsets in a given set?
1. 2 answers
2. 484 views
A solid is composed of a cube with side length 6 meters and a hemisphere with diameter 6 meters. Find the volume of the solid.
1. 5 answers
2. 2,458 views
A rectangular prism with 2 little square bases of a radius of 1m. It's height or rectangular length is 5m. Please help me find
1. 1 answer
2. 513 views
Solve SSA:B= 12.1 degrees b= 16 a= 23.9
1. 1 answer
2. 401 views
Use Heron's formula:a=46 b= 52 c= 67
1. 1 answer
2. 442 views
verify the identity:1-cos^2x/1-sinx= -sinx
1. 1 answer
2. 397 views
True or False?"The rebels are our country men again." Is a quote that is referring to the Emancipation Proclamation.
1. 3 answers
2. 427 views
True or False?General Sherman's 60 miles path of destruction was from Atlanta, Georgia to Savannah, Georgia?
1. 0 answers
2. 878 views
True or False?If a soldier had a wounded arm, it would most likely be amputated during the Civil War.
1. 2 answers
2. 408 views
Life for African Americans in the South changed after the Civil War because many Africans Americans...?
1. 0 answers
2. 464 views
HELP Please!!Sample autocorrelations at lag1, lag2, and lag3 denoted by r1, r2, and r3 of weekly sales of shampoo bottles was
1. 0 answers
2. 419 views
A square is circumscribed about a circle. What is the ratio of the area of the circle to the area of the square?A. 1/4 B. 1/2 C.
1. 1 answer
2. 1,383 views
In what ways do Earth and the moon move through space? How do these motions produce such phenomena as day and night, the
1. 0 answers
2. 1,209 views
Explain why objects experience a buoyant force when immersed in a fluid. How can you find the value of the buoyant force?
1. 1 answer
2. 584 views
Explain why carbohydrates, lipids, and proteins are important parts of a well-balanced diet.
1. 0 answers
2. 463 views
What is the ratio of carbon atoms to hydrogen atoms in the compound 2CH2 = C2H4?A. 1 to 9 B. 9 to 1 C. 3 to 6 F. 6 to 3
1. 2 answers
2. 573 views
What is an unsaturated hydrocarbon?
1. 1 answer
2. 459 views
Material X is an organic compound that mixes poorly with water and is highly flammable. Of the following choices, material X is
1. 1 answer
2. 535 views
C5H11Oh represent...A. Amino Acid B. Organic Acid C. Alcohol D. Ester
1. 1 answer
2. 877 views
A block of mass M connected to an untstretched horizontal spring of spring constant k is hit by a bullet of mass m which has a
1. 0 answers
2. 565 views
Let F1 = 219.5, F2 = 447.3, θ1 = 52.79◦, θ2 = 7.831◦. Find the magnitude of the resultantF1 _\|_ θ1 (in quadrant 3
1. 1 answer
2. 460 views
what is art online? ( online art galeries, virtual art, nowadays art or something different?)
1. 3 answers
2. 1,068 views
What is the role of art in people’s life?
1. 0 answers
2. 405 views
What is the pH of a 0.20 M solution of NH4Cl? [Kb(NH3) = 1.8 × 10−5]
1. 2 answers
2. 1,371 views
The Wildlife Federation surveyed 170 San Diego residents. The results are as follows:26 had a membership to the Birch Aquarium
1. 1 answer
2. 590 views
A tow truck exerts a force of 3000 N on a car, accelerating it at 2 m/s2 . What is the mass of the car?
1. 2 answers
2. 5,564 views
If a right triangle has legs of 9in. and 12in. What is the length of the hypotenuse?
1. 1 answer
2. 432 views
I have a rectangle whose sides are in the proportion b:a, where b is the longer side. I draw a line parallel to a inside the
1. 0 answers
2. 1,167 views
3 . The production of housing has the following form:H = number of housing units = 4(L + 10)1/2 + 80 (M + 3)3/4, where L is land
1. 0 answers
2. 607 views
Determine the diameter of the largest circle that can be drawn between the parallel lines y=2x and y=2x-5.
1. 1 answer
2. 987 views
I am completing a lab where I had to determine the mass percent of Mg(OH)2 in an antacid tablet , and I am trying to determine
1. 1 answer
2. 495 views
Which sentence is more common: 'I like seeing people happy' or 'I like to see people happy'?
1. 1 answer
2. 388 views
Given a circle with chord AB and diameter CD, prove that triangle ABD is isosceles if AB is perpendicular to CD.
1. 1 answer
2. 1,082 views
A volume of 70.0mL of aqueous potassium hydroxide(KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What
1. 3 answers
2. 3,571 views
Redox titrations are used to determine the amounts of oxidizing and reducing agents in solution. For example, a solution of
1. 1 answer
2. 2,989 views
A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an x-axis. At
1. 2 answers
2. 567 views
What are the missing nuclear symbols for the bombardment reation?25/13Al + 30/15? >>> 30/15P + 1/0n
1. 2 answers
2. 472 views
The half-life of stronitum-90 is 28 years. How many grams of this nuclide in a 4.00g sample will remain after 112 years?
1. 1 answer
2. 454 views
A compressed high resolution chest xray image requires about 8MB of data. most GP surgeries are connected to the NHS network at
1. 3 answers
2. 921 views
A compressed high resolution chest xray image requires about 8MB of data. most GP surgeries are connected to the NHS network at
1. 0 answers
2. 447 views
A compressed high resolution chest xray image requires about 8MB of data. most GP surgeries are connected to the NHS network at
1. 2 answers
2. 431 views
If you wanted to standardize an approximately 0.1 M solution of hydrochloric acid by titrating 10.00 mL (delivered from a
1. 3 answers
2. 887 views
At 1285 degree C the equilibrium constant for the reactin Br2(g) <> 2Br(g) is Keq= 1.04 * 10^-3. A 0.200 L vessel containing an
1. 3 answers
2. 3,964 views
Establish the identity(cosx/2-sinx/2)^2=1-sin x
1. 1 answer
2. 978 views
Establish the identitytanx/2=cscx-cotx
1. 1 answer
2. 534 views
T-TestThe article “Does Smoking Cessation Lead to Weight Gain?” described an experiment in which 322 subjects, selected at
1. 1 answer
2. 1,169 views
A sample of gas of mass 2.929 g occupies a volume of 426 mL at 0degree Cel and 1.00 atm pressure. What is the molecular weight
1. 4 answers
2. 2,427 views
Is there an easy way to re-write PV=nRT so that it equates density with molar mass?
1. 1 answer
2. 499 views
The manager of a 100 unit apartment complex knows from experience that all units will be occupied if the rent is $500 per month.
1. 2 answers
2. 5,456 views
I am asked to describe the "syntax" of a book I am reading. I have looked up several definitions of the word and still do not
1. 2 answers
2. 1,040 views
Translate Two dollars plus four cents times the number of minutes in part into a symbolic rule. Use c to represent the total
1. 1 answer
2. 556 views
A long-distance telephone plan costs $2.00 a month, plus 4 cents per minutes, or part thereof, for any long-distance call made
1. 1 answer
2. 632 views
What's the easiest way to remember how to draw the graphs for the common trigonometric functions, like sin cos and tan?
1. 0 answers
2. 848 views
A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a speed
1. 2 answers
2. 843 views
A plane flying horizontally at an altitude of 1 mi and a speed of 510 mi/h passes directly over a radar station. Find the rate
1. 2 answers
2. 940 views
a 22.5g sample of (NH4)2CO3 (ammonium carbonate) contains_____ moles of ammonium ions.A. o.468 b. 0.288 C. 0.234 d. 2.14 e. 3.47
1. 1 answer
2. 1,463 views
John Keene recently invested $3,500 in a project that is promising to return 10.75 percent per year.The cash flows are expected
1. 0 answers
2. 697 views
When you're breaking down the square root in the quadratic formula into several parts- say it was the originally the square root
1. 1 answer
2. 1,365 views
A winch is used to tow a boat to a dock. The rope is attached to the boat at a point 15 feet below the level of the winch. Find
1. 2 answers
2. 6,592 views
I'm trying to solve this Pythagorean Theorom problem.x^2+(2x^2)=32^2 which becomes 5x^2=1024 I don't get how the x^2 and the
1. 2 answers
2. 425 views
Direct Variation: when you have a jobthat pays an hourly wage, the amount you earn varies directly with the number of hours you
1. 2 answers
2. 1,160 views
1)Price of COke2)Price of Pizza 3)Price of Beef 4)Quantity of Beef 5)Income 1) List and explain each of the components of you
1. 1 answer
2. 505 views
1)Quantity of Beef2)Price of Beef 3)Price of Pizza 4)Price of Coke 5)Income 1- list and explain each of the components of your
1. 2 answers
2. 489 views
is square root x^4-4-y=0and x^2+y^2=4 a function
1. 1 answer
2. 391 views
How can I do a good senior project about obesity in america?what are some things i can do? how can i do community service about
1. 1 answer
2. 515 views
Hi, I wanted to know how can I donwload "B2K - Badaboom (featuring Fabolous)/Take It To The Floor" file from your site.Where do
1. 1 answer
2. 403 views
You belong to an unusual pension plan because your retirement payments will continue forever (and will go to your descendants
1. 0 answers
2. 528 views
Is a Trypanosoma Brucei a Flagellate, Ciliate, Amoeba, or Sprozoan?
1. 1 answer
2. 383 views
Solve for X. Leave answers in logarithmic forms.3^(2-x) = 2^x Thanks.
1. 2 answers
2. 433 views
What would the two half reactions be for 2Na+1MgBr2 arrow 2NaBr + Mg? I don't know how to determine this, other than that you
1. 1 answer
2. 508 views
Calculate the pH of solution made by combining 75.0 mL of 0.10 M formic acid with 30.0 mL of 0.25 M KOH. (Ka for formic acid,
1. 3 answers
2. 616 views
Calculate the pH of solution made by combining 75.0 mL of 0.10 M formic acid with 30.0 mL of 0.25 M KOH. (Ka for formic acid,
1. 1 answer
2. 615 views
(NH4)2CO3 = 2NH3 + CO2 + H2OIf you have 3.5 moles of Ammonia how much carbon dioxide was also made?
1. 1 answer
2. 671 views
How have the lessons learned from the Holocaust changed the world? What do you think has happened and how we are continually
1. 1 answer
2. 506 views
2x(x+2)(x^2 - 2x + 4) = 0
1. 1 answer
2. 273 views
2x(x+2)(x^2 - 2x + 4)set these factors to zero and solve. I would really appreciate it.
1. 1 answer
2. 287 views
please please please help
1. 4 answers
2. 305 views

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