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A car completes a half of a circular track that has a radius of 10 m. What is the distance traveled by the car? What is the
1. 4 answers
2. 1,516 views
A toy rocket is launched form a 3m platform, at 8.2m/s. The height of the rocket is modelled by the equation h=-4.9t^2+8.1t+3
1. 1 answer
2. 773 views
A toy rocket is launched form a 3m platform, at 8.2m/s. The height of the rocket is modelled by the equation h=-4.0t^2+8.1t+3
1. 1 answer
2. 815 views
You buy a plastic dart gun, and being a clever physics student you decide to do a quick calculation to find its maximum
1. 1 answer
2. 4,502 views
William Tell must split the apple atop his son’s head from a distance of 45.1m. When William aims directly at the apple, the
1. 1 answer
2. 1,267 views
The price of a small cabin is $45,000. The bank requires a 5% down payment. The buyer is offered two mortgage options:
1. 1 answer
2. 893 views
Ruth baked a big cake to sell during the school fair. She cut the cake into many equal pieces. She sold two- thirds of the
1. 2 answers
2. 773 views
There are 48 balls in a box. If 1/4 of the balls are white, 1/6 of them are blue, 1/8 of them are red and the rest are green,
1. 1 answer
2. 534 views
HOW DO YOU DO PART TWO?The performer stands on a tightrope 3m above ground and theows a diabolo upwards. In each throw , the
1. 1 answer
2. 472 views
Alice cuts a ribbon of length 40cm into two pieces to form two squares as shown in th figure (there was no figure, but from my
1. 1 answer
2. 647 views
David has 200m of fencing to enclose three identicle rectangular pens as shown in the figure. Let x be the length of each pen.a)
1. 1 answer
2. 542 views
Hydrogen chloride reacts with water to produce an ion with the chemical formula H3O+. An H3O+ ion has one dative covalent bond.
1. 1 answer
2. 524 views
I have a spinner that is divided into 3 equal parts,1/3 is N, 1/3 is E,and 1/3 is U. Use a tree diagram to find the probability
1. 1 answer
2. 857 views
What are some ideas being propagated by society that most adhere to even though they know its wrong
1. 3 answers
2. 447 views
A sportswear manufacture determines that the marginal cost of producing x worm-up suits is given in dollars by 20-0.015x.if the
1. 0 answers
2. 624 views
The question im asked is "What is it that im a slave to? What is holding you back, what you need liberation from.I wanna discuss
1. 3 answers
2. 484 views
Complete the following equations:A) methyl butanone + oxygen ---> B) a pentagon + F2 ----->
1. 0 answers
2. 409 views
What would the reaction of these two look like (reactants and products)A) hexanal is reduced B) Butanoic acid is neutralized by
1. 1 answer
2. 433 views
Complete the following equations:1. Benzene + hydrogen fluoride ----> 2. Propanoic acid + ethanol ----> 3. 3-pentanol
1. 1 answer
2. 495 views
Complete the following equations. Include names of all reactants and productsA) CH3CH2CHCH - CH2+H2O --> | CH3 B) CH3CHC=CCH3 +
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2. 890 views
A wire 20cm long carry current of 2A is placed perpendicular to a uniform magnetic field. If a force of 0.8N acts on it.
1. 0 answers
2. 586 views
Is this an example of two-variable data?Data Management Marks: 74,81,66,53,92,45,80 Grade 12 Average: 77,87,68,67,85,55,76 i
1. 1 answer
2. 471 views
If you are in a spacecraft that has been launched into space, your weight wouldA) Increase because gravitational force is
1. 2 answers
2. 1,023 views
What are the molecular formula for:3-methylpentanoic acid Cis-2-propyl-2-hexane N-methylpropanamine N-methylhexan-3-amine
1. 1 answer
2. 449 views
How can i find misleading graphs on the news online??
1. 1 answer
2. 542 views
write an expression that represents how much you would make per hour on holidays if you earned time and a half (40 hours for 50
1. 1 answer
2. 752 views
A general reaction written as 1A + 2B --> C + 2D is studied and yields the following data:Expt (A). (B) initial (C)/t 1. 0.150.
1. 2 answers
2. 5,359 views
The average rate of disappearance of ozone in the reaction 2O3(g) ---> 3O2 (g) is found to be 8.12 x 10^-3 molecules over 15
1. 2 answers
2. 2,517 views
My values:0.012 0.008 0.005 0.0035 0.0025 0.002 0.0018 0.0017 For a graph.. What scale on the x axis should I go by to plot
1. 4 answers
2. 1,055 views
Given info:Time(s). (ClO) mol/L 0.0. 0.012 4.0. 0.008 8.0. 0.005 12.0. 0.0035 16.0. 0.0025 20.0. 0.002 24.0. 0.0018 28.0. 0.0017
1. 1 answer
2. 406 views
How do I answer this question?The average rate of disappearance of ozone in the reaction 2O3 --> 3O2 is found to be 8.12 x 10^-3
1. 1 answer
2. 646 views
Two electron configuration:Mg(Ne)3s^2 Zn(Ar)4s^2 3d^10 Using the configurations, explain the difference in relative reactivity
1. 0 answers
2. 480 views
Two electron configuration:Mg(Ne)3s^2 Zn(Ar)4s^2 3d^10 Using the configurations, explain the difference in relative reactivity
1. 0 answers
2. 445 views
Two electron configuration:Mg(Ne)3s^2 Zn(Ar)4s^2 3d^10 Using the configurations, explain the difference in relative reactivity
1. 0 answers
2. 448 views
Use the collision theory to explain the increase in rates of the other reactions
1. 1 answer
2. 370 views
Write balanced reaction for the following metal acid reactionA) Mg and HCI B) Zn and HCI
1. 1 answer
2. 458 views
Writing a haiku about a cellphone
1. 1 answer
2. 418 views
My values are:0.075 0.025 0.1 0.075 0.1 0.125 0.05 0.125 0.025 0.15 0.125 0.025 What would be an appropriate scale to go by on a
1. 0 answers
2. 515 views
My values are:0.075 0.025 0.1 0.075 0.1 0.125 0.05 0.125 0.025 0.15 0.125 0.025 What would be an appropriate scale to go by on a
1. 1 answer
2. 538 views
How do I calculate the heat released by 1 mole MgOGiven: 0.5 g of MgO Heat gained by acid is 1337.6 kJ I calculated the moles
1. 1 answer
2. 652 views
How do I calculate the heat released by 1 mole MgOGiven: 0.5 g of MgO Heat gained by acid is 1337.6 kJ I calculated the moles
1. 0 answers
2. 455 views
The reaction through which carbon changes from graphite to diamond form is represented by the equationC(graphite) --->
1. 1 answer
2. 1,491 views
The reaction through which carbon changes from graphite to diamond form is represented by the equationC(graphite) --->
1. 0 answers
2. 601 views
The reaction through which carbon changes from graphite to diamond form is represented by the equationC(graphite) --->
1. 0 answers
2. 671 views
Calculate the enthalpy of formation of maganese (IV) oxide based on the following information.4Al(s) + 3MnO2(s) --> 3Mn(s) +
1. 1 answer
2. 1,765 views
The reaction through which carbon changes from graphite to diamond form is represented by the equationC(graphite) --->
1. 3 answers
2. 1,064 views
Compound B is burned in a bomb calorimeter that contains 1.50 liters of water. When I burned 50.0 grams of compound B in the
1. 3 answers
2. 1,509 views
Consider the following three reactions:Ca(s) + 2H2O(l) ---> Ca2+(aq) + 2OH^- (aq) + H2(g) CaO(s) + H2O(l) ---> Ca2+ (aq) + 2OH^-
1. 1 answer
2. 1,621 views
How much energy will be liberated upon the combustion of 12.5 grams of ethene?C2H4(g) + 3O2(g) ----> 2CO2(g) + 2H2O(g) Delta H =
1. 1 answer
2. 589 views
I am doing a presentation on Consumerism... I need ideas on activities that have to do with Consumerism I can do with the
1. 4 answers
2. 492 views
How does St.Therse of Lisieux exemplify the qualities from the parable the Good Samaritan
1. 1 answer
2. 492 views
I need help coming up with a unique game that can be played at a carnival, amusement park or casino.... and u need to be able to
1. 1 answer
2. 443 views
A.If 0 is less than or equal to thita is less than 360 ,find all possible value of thita such that :1.Sin thita =0.5623
1. 2 answers
2. 627 views
I have to write a point form outline for a short story... i need to start with a flashblack but not sure how?the topic: Your
1. 2 answers
2. 603 views
The game of euchre uses the 10s, jacks,queen,kings and aces from a standard deck of 52 cards. How many 5-card euchre hands have
1. 1 answer
2. 758 views
You are setting up a system of programming codes for a universal TV remote. Each code will have five digits and cannot include a
1. 2 answers
2. 2,817 views
Expand (3-x)^7Would i start like (3)^7(-x)0 etc....
1. 1 answer
2. 323 views
For a calculus quiz, the teacher will choose 11 questions from the 15 in a set of review exercises. How many different sets of
1. 1 answer
2. 1,394 views
How many different sums of money can U make with 4 pennies, two nickels and six quarters
1. 1 answer
2. 762 views
Find the middle term in the expansion of (2x+3y)^12
1. 5 answers
2. 6,012 views
A game is played using three 6-sided dice. You throw these dice one time and if the dice all show the same number ( triples),
1. 1 answer
2. 654 views
In the expansion of (ax +by)^8, the first three terms are 256x^8, 6144x^7y and 64512x^6y^2. Find the values of a and b
1. 1 answer
2. 1,020 views
A new theme park will have five roller coasters, six water rides and eight suspension rides. How many different combinations of
1. 2 answers
2. 1,908 views
A fabric store has 44 bolts of fabric on its clearance table. Of these bolts 28 are broadcloth, 17 floral prints, 22 have a blue
1. 1 answer
2. 1,185 views
A fabric store has 44 bolts of fabric on its clearance table. Of these bolts 28 are broadcloth, 17 floral prints, 22 have a blue
1. 0 answers
2. 488 views
You are thinking of using some leftover ceramic tiles to make a decorative border for a patio. You have ten blue, four gold, and
1. 1 answer
2. 1,998 views
Suppose that the SJCS and Mary Ward are in the basketball final. In this best-of-three series, the winner is the first team to
1. 1 answer
2. 655 views
From the top of an 8m house the angle of elevation to the top of the schools flagpole across the street is 9 degreesThe angle of
1. 1 answer
2. 2,758 views
If you make a solution in the laboratory that contains 0.1 M acetic acid (CH3COOH), what concentration of hydronium will you
1. 1 answer
2. 492 views
If you make a solution in the laboratory that contains 0.1 M hydrochloric acid, what concentration of hydronium will you have?
1. 1 answer
2. 478 views
What is the strongest intermolecular force present in each molecule:H2S CF4 NH3 CS2 PCL3 N CH2O C2H6 CH3OH BH3 My work: Hydrogen
1. 0 answers
2. 1,483 views
Which animal did you find most interesting at the zoo?
1. 0 answers
2. 146 views
What were arguments for maintaining the slave trade and slavery in general during the Constitutional Debates on Slavery? How did
1. 1 answer
2. 648 views
At a school of 1400 students, 800 are currently enrolled in English, 740 are enrolled in mathematics and 325 are enrolled in
1. 0 answers
2. 804 views
A game show has three doors labelled A,B, and C behind which there may or may not be a prize. A group of contestants are asked
1. 1 answer
2. 1,796 views
Answer the following about the great wall of china:a.When, where, and why did it develop? b.How was it used or practiced? c.
1. 1 answer
2. 706 views
How would i solve for nnP5 = 14(nP4)
1. 1 answer
2. 3,003 views
Solve the equation for nn!/(n-2)! = 90 I get n= 10 but when i plug 10 back into the equation i don't get 90 to check... My work:
1. 1 answer
2. 425 views
An explicit solution of a differential equation is: a) a simpler equationb) a real number c) a function on some domain d) an
1. 0 answers
2. 501 views
Simplifyx^2 - xy + 2x/2x
1. 0 answers
2. 338 views
a spring extends by 10 cm when a mass of 100g is attached to it. what is the spring constant?
1. 3 answers
2. 4,560 views
Could someone what do they mean by this question please.How does their work force reflect their global strategy?
1. 7 answers
2. 376 views
Find 5 ordered pairs that satisfy each relation. Draw each graph.4. x+y=7 5. x+y=6 6. x-y=1 7. x-y=0 8. x+y=0 9. y-x+0
1. 2 answers
2. 594 views
A ship is sighted from the top of a lighthouse. The angle of depression from the lighthouse to the top of the ship is 45
1. 4 answers
2. 2,782 views
When inserting a gene, a gene for antibiotic resistance were also added to the plasmid. Why is this done?
1. 0 answers
2. 478 views
Explain the ramifications to the process of transcription if the following occurs:A) The termination sequence of a gene is
1. 0 answers
2. 518 views
3'-GGCACTCGCATAATATTCGCCATGGCT -5'In the DNA sequence above, how do i identify the promoter region..
1. 0 answers
2. 434 views
What effects does epinphrine have on the excretory and endocrine systems.. i cant find any sites to help
1. 1 answer
2. 406 views
Solve simultaneously for the two equations for x and y5x(cos 45) + 15y(cos 30) = 2,000 5x(sin45) - 15y(sin 30) = 0 I tried
1. 2 answers
2. 630 views
A drug in the bloodstream has a concentration of c(t) =at/t^2 +bA= 3, b=1 Determine how long it takes for the drug to drop below
1. 1 answer
2. 426 views
A rectangular box with a square base of length x and height h is to have a volume of 20ft^3. The cost of the top and bottom of
1. 1 answer
2. 932 views
A medicine in the bloodstream has a concentration of c(t) =at/t^2 + b where a=3 and b=1Approximate the highest concentration of
1. 5 answers
2. 523 views
A drug in the bloodstream has a concentration of c(x) =3t/t^2 + 1Approximate the highest concentration of the drug reached in
1. 0 answers
2. 597 views
A drug in the bloodstream has a concentration of c(x) =3t/t^2 + 1Approximate the highest concentration of the drug reached in
1. 0 answers
2. 636 views
true or false.Initial velocity is always equal to zero
1. 1 answer
2. 393 views
A drug in the bloodstream has a concentration of c(x) =3t/t^2 + 1Approximate the highest concentration of the drug reached in
1. 0 answers
2. 650 views
How can i design an experiment to determine which wavelengths of light provide the optimal energy for photosynthesis
1. 0 answers
2. 415 views
How do you think increasing temperature would affect the rate of photosynthesis?
1. 1 answer
2. 512 views
how many grams of CaCO3 will dissovle in 300ml of 0.05M Ca(NO3)2 ?Ksp of CaCO3 : 4.7x10^-9 M.W of CaCO3 100.01g/mol
1. 0 answers
2. 609 views
On Monday morning, Rosie naps for 3/5 hour. In the afternoon for 5/6 hour. How long does he sleep in all?
1. 6 answers
2. 528 views

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