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Fred

Questions (299)

The polynomial P(x) is given by P(x) = ax^3 + 15x^2 + cx - 72, where a and c are constants. The three zeros of P(x) are -3, 2
1. 1 answer
2. 445 views
In how many ways can 4 girls and 3 boys be arranged in a row so that the girls are always together? Answer: 576
1. 1 answer
2. 542 views
A PIN consists of 6 numbers, with no repetition of any numbers allowed. How many different PINs are possible?I did 10 x 9 x 8 x
1. 1 answer
2. 477 views
In how many ways can 8 people be divided into 2 groups of 3 and 5 people respectively?Thanks again to anyone who helps. Answer
1. 1 answer
2. 689 views
A group of 9 friends go into a nightclub and there is only a table for 3 and therefore the others will have to stand up. If the
1. 1 answer
2. 651 views
In how many ways can a comittee of 3 women and 4 men be chosen from 8 women and 7 men if two particular women refuse to serve on
1. 2 answers
2. 720 views
A string of beads is made up of 5 orange and 5 black beads. If they are randomly arranged around the necklace, how many possible
1. 1 answer
2. 536 views
A 4 digit number is to be selected at random from the numbers 0 to 9 with no repetition of digits. How many arrangements can
1. 2 answers
2. 546 views
A committee of 6 people is to be selected randomly from a group of 11 men and 12 women. Find the number of possible committees
1. 1 answer
2. 1,975 views
A man walks at a steady course bearing 122 degrees from A to B. If A is 86 m further west than B, find (to the nearest metre)
1. 2 answers
2. 738 views
If sin x = 2/3 and cos y = 3/4, find the exact value of sin ( x + y ).
1. 1 answer
2. 1,545 views
5x / x^2+1 less then or equal to x. Please someone help help been stuck on it for a while and I have an exam tommorrow. Any help
1. 2 answers
2. 432 views
On a clear day, you can see 11.5 km in any direction from a particular lookout. If a straight road is 6.9 km from the lookout,
1. 2 answers
2. 550 views
Factorise x^4-x^2y-6y^2 Thanks to whoever solves it
1. 1 answer
2. 457 views
The length and width of a rectangular projector screen in a small theatre is 200% more than the length and width of a television
1. 1 answer
2. 671 views
When I was not a king, he was subject to me. Now I am a king I am in jubject to him. Who am I?
1. 1 answer
2. 437 views
How do you factorise x^4-x^2y-6y^2
1. 2 answers
2. 563 views
Factorise 8x^2 - 1/8
1. 1 answer
2. 490 views
If both the hour hand and the minute hand start at the same position at 12 o'clock, when is the first time, correct to a
1. 3 answers
2. 671 views
a ship leaves port at 12:00 noon sailing at a bearing 193° measured clockwise from north. if the ship sails 20 knots, how many
1. 1 answer
2. 832 views
How much do you need to subtract from 43/10 to make 4?
1. 5 answers
2. 864 views
2x^3 + x^2 - 5= 0x=? What is the process I must do in order to get the answer?
1. 3 answers
2. 383 views
2x^3 + x^2 - 5= 0x=? Is this possible to solve?
1. 3 answers
2. 491 views
Find the rule for these ordered pair: (1,4) (2,6) (3,9) and (4,13)
1. 1 answer
2. 405 views
There is a rectangle of length 1.40 cm and width 6.10 cm in the xy-plane. If the electric field can be expressed by (100.[^(i)]
1. 2 answers
2. 437 views
Electric circuit with three cells each of emf 2v and negligible internal resistances are connected in series with an ammeter two
1. 3 answers
2. 1,806 views
Paul is standing at the bottom of a hill that is 150 meters high. He measures the angle of the elevation of the top of the hill
1. 1 answer
2. 729 views
A pair of pants costs twice as much as a shirt. The total cost of 11 pair of pants and 1 1 shirt is $18 $18 . If s represents
1. 2 answers
2. 1,826 views
The grade 5 class sold cheese for a fundraiser. What fraction of the orders did each of the four students take
1. 1 answer
2. 535 views
It takes a force of 22 N to push a 10 kg box horizontally with a constant velocity over concrete. What is the coefficient of
1. 2 answers
2. 2,351 views
A 0.630 kg wooden block is spun around on a wooden table. The wooden block is being spun around on a 2.00 m long massless wire.
1. 4 answers
2. 950 views
A 2 digit even number is divided by 5. The quotient is a 1 digit even number. What are all the 2 digit numbers that fit this
1. 1 answer
2. 1,482 views
You are on a new planet and want to know the acceleration due to gravity. You take a ball and kick it at an angle of 26.0° at a
1. 1 answer
2. 1,203 views
Write and solve a real- world problem that can be solved using the expression 3/4 divided by 1/6?
1. 5 answers
2. 1,935 views
Sam and Terry find a 30.0 m deep wishing well and decide to make a wish. Terry throws a penny down the well at 3.00 m/s and Sam
1. 1 answer
2. 622 views
in a grain bin 90' in diameter 130'tall how many bushel of grain at 1.2445 cubic feet per bushel will the bin hold?
1. 1 answer
2. 538 views
flammability is a material’s ability to burn in the presence of?A)hydrogen B)nitrogen C)oxygen D)carbon dioxide I think the
1. 1 answer
2. 2,142 views
which of the following is an example of the principle of checks and balances?A)President can veto an act of congress. B)Members
1. 53 answers
2. 17,387 views
?Fe(2+)+?NO3(-)+H(+)==》No+Fe(3+)+H2OWhat's the balanced equation?
1. 1 answer
2. 548 views
A 25g piece of an unknown metal alloy at 150 degrees Celsius is dropped into an insulated container with 200 g of ice. Calculate
1. 2 answers
2. 2,846 views
Can someone who is good at Spanish (or fluent) please proofread these short stories I'm writing for my Spanish class? I am at a
1. 0 answers
2. 703 views
2. Read the passage. What technique is the author using to develop point of view?"Though zoos are meant to be a joy to viewers
1. 2 answers
2. 879 views
1. Which statement is shared by both "Zoos: Joys or Jails?" and "Why Do We Need Zoos?"a. clearly stated claim b. humorous
1. 93 answers
2. 12,471 views
Help Please.A wireless phone company offers two plans. In one plan, there is a monthly fee of $40 and a charge of $0.25 per
1. 1 answer
2. 976 views
Linear ApproximationFunction is y=x2 . Take three points, x=2, x=3, x=4. Approximate this function at these three points for a
1. 1 answer
2. 526 views
This presentation should consist of 5 Gerund sentences (subject, subject complement, direct object, indirect object, and object
1. 1 answer
2. 742 views
Is this the answer to 3/4% of 75: 0.5625
1. 1 answer
2. 423 views
For this question 3/4% of 75 would I change 3/4 to a decimal and put it over 100?
1. 2 answers
2. 543 views
Which of the following integrals represents the volume of the solid formed by revolving the region bounded by y=x^3, y=1, and
1. 1 answer
2. 2,924 views
A football is punted. Its height, H metres is given by the quadratic relation with equation: H = -5t2 + 21t, where t is the time
1. 1 answer
2. 1,324 views
Beam supported by a rope that can rotate about a hinge. The beam is supported by a rope attached 1.00 meter from the end of the
1. 0 answers
2. 699 views
A surveyor standing 62 meters from the base of a building measures the angle to the top of the building and finds it to be 38°.
1. 2 answers
2. 1,573 views
Can someone explain how to solve this problem?Sand is being dumped on a conveyor belt onto a pile in such a way that the pile
1. 1 answer
2. 4,272 views
How do the constants 5, 4, and 12 inf(x) = 5x^2 - 4x + 12, affect the derivative? Thanks!
1. 1 answer
2. 375 views
Can someone show me how to solve this problem?For a program that is 70% parallelizable, what will be the speedup relative to a
1. 0 answers
2. 432 views
Select the letter of the term that identifies the function of thephrase in parentheses in the following sentence: One goal is
1. 1 answer
2. 961 views
a company plans to sell embroidered hats for $15. the company's financial planner estimates that the cost, y, of manufacturing
1. 1 answer
2. 1,982 views
Given h(x)=(6x^2+x)/x , find h'(0)
1. 1 answer
2. 470 views
The curve is given by x^2+2r(sqrt(y))=xyWhat is dx/dy when r is constant?
1. 1 answer
2. 438 views
For what values of k does the line y= x + k pass through the circle defined by x^2 + y^2 = 25 at:2 points? 1 point? 0 points? I
1. 1 answer
2. 664 views
Find the linearization of f(x)=cos(x)-sin(2x) at x = 0.
1. 1 answer
2. 599 views
How many litres of water at 100°C are vaporized by the addition of 5.00 MJ of heat
1. 8 answers
2. 561 views
A puddle holds 150 g of water. If 0.50 g of water evaporates from the surface, what is the approximate temperature change of the
1. 1 answer
2. 1,145 views
A windowpane is half a centimeter thick and has an area of 1.0 m2. The temperature difference between the inside and outside
1. 1 answer
2. 4,041 views
If 1/8" = 30' how many fractions of an inch is 24'
1. 1 answer
2. 938 views
What is the area bounded by y=x^2 and y=x^3-2x?
1. 5 answers
2. 536 views
What molecular formula can you deduce from a mass spectrometry of 156 m/z. And how do you get that formula? Steps on how to get
1. 0 answers
2. 509 views
Which is true about a 99% confidence interval for a population proportion based on a given sample?I. We are 99% confident that
1. 1 answer
2. 808 views
How do I convert this decimal into a fraction?3.083 (The last 3 is repeating by itself)
1. 6 answers
2. 2,723 views
What kind of reaction is this (redox, precipitation, acid-base, or complex ion formation reaction)?1. 3 Ca(s) + 2 Al^3+(aq) -> 3
1. 3 answers
2. 799 views
Need help with coming up with a extraction flow scheme for separating the compounds in this mixture: aniline, p-anisic acid,
1. 1 answer
2. 452 views
A firm with 50% debt to equity ratio has a cost of equity capital of 15%, a cost of debt of 9% and a tax rate of 33%. The firm
1. 0 answers
2. 526 views
what is the molarity of 28.9 g of cacl2 dissolved in water to make 0.78 l of solution
1. 3 answers
2. 4,201 views
A popular brand of pressure washer claims to deliver 330 litres per hour of water at a pressure of 80 bar, drawing 1400 W of
1. 1 answer
2. 592 views
A van drive 17.5km north. Then it turns west and drives 9.1km. The van then drives 14.5km south. The entire trip takes 40
1. 0 answers
2. 861 views
Is these answers correct?devoid intimidate jeopardize sneer implore introvert sibling vivacious infuriate smug 1-2. The people I
1. 1 answer
2. 882 views
A telephone pole is 55 feet tall. Jeri stands in the shadow of the pole. She is 66 inches tall, gut her shadow is 12 feet long.
1. 0 answers
2. 489 views
Malcom designed the roof plan of a house and implement shed. The dimensions of the house's roof are 25 ft wide by 40 long. The
1. 0 answers
2. 581 views
Is these answers correct?condone, pathetic, feign, precedent, comtemplate gape furtive feasible, fiscal, punitive 1-2. "Would it
1. 3 answers
2. 3,409 views
Is these answers correct?devoid infuriate jeopardize smug implore intimidate sibling sneer introvert vivacious 1-2. The people I
1. 3 answers
2. 4,360 views
A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed
1. 0 answers
2. 972 views
At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A 0.8915-g sample of impure
1. 3 answers
2. 3,434 views
A solution is 0.10M Pb(NO3)2 and 0.10M AgNO3. If solid NaCl is added to the solution what is [Ag+] when PbCl2 begins to
1. 1 answer
2. 3,068 views
Molarity of NaOH solution = 0.06115Volume of NaOH used = 15.50 mL Volume of unknown Sample = 10.00 mL Find the Moles of NaOH
1. 1 answer
2. 1,090 views
For solution 1, 4.00mL of 0.0200 M Cr(NO)3 was added to 20.00ml of 0.0200 M Na2H2EDTA, then the a time and absorbance were taken
1. 0 answers
2. 529 views
One in every 685 children born in the chicoutimi area of quebec province has tyrosinemia. It is cause by having two copies of
1. 1 answer
2. 767 views
Find the volume generated when the area bounded by the curve y^2 = 16x, from x = 0 to x = 4 is rotated around the x-axis.
1. 1 answer
2. 3,770 views
Find the area bounded by y= -0.5x+6, y= !/4 x and the y-axis. Sketch a graph of the two functions and shade in the area.
1. 1 answer
2. 418 views
i thought you were a helping site please help i read my lessons but i just coulnd answer some questions. help please i need to
1. 4 answers
2. 473 views
1. Which word does NOT describe Neoclassical literature of the 17th century?balanced religious elegant concise 2. In lines 17-20
1. 6 answers
2. 764 views
22. What connection can be drawn between Dickens's father and Tom?Both worked in a bank. Both favored straight facts. Both were
1. 2 answers
2. 1,070 views
The R&D organization has decided it wants to promote total involvement and create a learning organization. The
1. 1 answer
2. 426 views
What size should be the frame be?Suppose an artist has a circular picture with a diameter 6 inches which she wishes to frame by
1. 3 answers
2. 603 views
Roger wants to carpet a rectangular room with the length of 8 ¾ feet and a width of 9 1/3 feet. If he has 85 square feet of
1. 1 answer
2. 658 views
If f(x)= x^2 + 2xWhat is f(-x) What is f(1/a) Thanks!
1. 1 answer
2. 234 views
The profit made from the sale of tiles is found by subtracting the costs from the revenue. (This is the money you take in minus
1. 0 answers
2. 541 views
Suppose your tile company spends $ 195 each month, regardless of how many tiles are purchased as supplies. How much do you spend
1. 0 answers
2. 969 views
1. Suppose you are the owner of a tile company who purchases tiles from a supplier at a rate of $5 each.a. The variable cost is
1. 0 answers
2. 505 views
What is the best way for me to learn more about airport operations??
1. 1 answer
2. 415 views
I am taking a ground school class for my private pilot license and am having trouble with weather, what is the best way to go
1. 1 answer
2. 381 views

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