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Lucy

Questions (642)

Find values of all six trig functions if sin(theta)= 4/5 and theta is in the second quadrant.
1. 1 answer
2. 783 views
What are the type of finance accounting sheets for proposals
1. 1 answer
2. 539 views
What is the Ph for the solution made from 11.10mL of 0.278M HCL solution mixed with 70.90mL of 0.1300M ammonia solution? The pKa
1. 1 answer
2. 1,202 views
what do you call twin boys?
1. 0 answers
2. 710 views
in a right triangle if the oppisite B = 2 times 5 squared, the adjacent A = 5 squared, then what is the hypotenuse C?????????
1. 3 answers
2. 396 views
Particles are a major component of air pollution in many areas. It is of interest to study the sizes of contaminating particles.
1. 0 answers
2. 1,321 views
If a polonium-210 (Po-210) atom has just decayed, how close can the ejectedalpha particle get to a neighboring Po-210 nucleus?
1. 0 answers
2. 507 views
What are two reasons why the EU have limited exports to China and their effect on trade relationships?
1. 0 answers
2. 419 views
1) the sum of the digits of a two digit number is 9. The value of the number is 12 times the tens digit. Find the number.2) the
1. 2 answers
2. 989 views
Is <.0001 significant or insignificant?
1. 1 answer
2. 377 views
what is 2.47 rounded to the nearest tenth?
1. 4 answers
2. 1,613 views
Express Each percentage as a fraction in it's lowest term?25%, 60%, 45%, 8.2%, 90%, 88.6%, 49.6%, 65%,8%, 98%, 94%, 76%, 20%,
1. 1 answer
2. 556 views
HOw does the physical geography of Europe affect its political, social, and economic charateristics?
1. 1 answer
2. 1,108 views
when was Victorian Bouquet painted by Severin Roesen?
1. 0 answers
2. 354 views
S(rhombic)+O2(g)--->SO2(g)change in H(rxn)= -296.06 kJ/mol S(monoclinic)+O2(g)--->SO2(g) change in H(rxn)= -296.36 kJ/mol 1.
1. 2 answers
2. 1,529 views
Given that:2Al(s)+(3/2)O2(g)--->Al2O3(s) change in H(rxn)= -1601 kJ/mol 2Fe(s)+(3/2)O2(g)--->Fe2O3(s) change in H(rxn)= -821
1. 2 answers
2. 2,016 views
Given that:2Al(s)+(3/2)O2(g)--->Al2O3(s) change in H(rxn)= -1601 kJ/mol 2Fe(s)+(3/2)O2(g)--->Fe2O3(s) change in H(rxn)= -821
1. 1 answer
2. 1,704 views
S(rhombic)+O2(g)--->SO2(g)change in H(rxn)= -296.06 kJ/mol S(monoclinic)+O2(g)--->SO2(g) change in H(rxn)= -296.36 kJ/mol 1.
1. 1 answer
2. 729 views
Given that:2Al(s)+(3/2)O2(g)--->Al2O3(s) change in H(rxn)= -1601 kJ/mol 2Fe(s)+(3/2)O2(g)--->Fe2O3(s) change in H(rxn)= -821
1. 0 answers
2. 1,230 views
Ball 1, with a mass of 180 g and traveling at 18 m/s, collides head on with ball 2, which has a mass of 370 g and is initially
1. 0 answers
2. 581 views
Why might exploiting a comparative advantage increase real incomes?I just need two reasons
1. 0 answers
2. 363 views
You are piloting a small plane, and you want to reach an airport 450 km due south in 3.0 hours. A wind is blowing from the west
1. 1 answer
2. 3,011 views
i NEED TO TURN (7X-3)^1/3 INTO AN ITERVATIVE FORMULA USING THE NEWTON RAPHSON FORMULA?HOW DO I DO IT IN SIMPLE STEPS?
1. 0 answers
2. 358 views
what is "a" in 2(a-5)-5=3
1. 1 answer
2. 247 views
What is "h" in 5h+15-3h=32
1. 2 answers
2. 228 views
4x<-16
1. 1 answer
2. 291 views
What are the pitfalls to avoid when trading with India?
1. 1 answer
2. 757 views
A bus makes a 10 mile journey throuh town. Its top speed is 30mph and its mean speed its mph.Explain why these speeds are
1. 8 answers
2. 1,446 views
6y+y=42combine and solve...show work...please help
1. 2 answers
2. 370 views
combine like terms and solve equation:m/4-6=2
1. 1 answer
2. 395 views
what does function mean in geography?
1. 0 answers
2. 697 views
A positive and a negative charge are positioned as shown:+ | |_______ - The distance from - to corner is 4.00m and the distance
1. 0 answers
2. 468 views
A positive and a negative charge are positioned as shown:+ | - _______| The distance from - to corner is 4.00m and the distance
1. 0 answers
2. 496 views
A positive and a negative charge are positioned as shown:+ | 3.00 meters - _______| 4.00 meters Q1 = 4.00 microCoulomb Q2 =
1. 0 answers
2. 567 views
A positive and a negative charge are positioned as shown:+ | 3.00 meters - _______| 4.00 meters Q1 = 4.00 microCoulomb Q2 =
1. 0 answers
2. 469 views
What commercial arrangements did American shippers and traders want after the Revolutionary war had ended? Why did they feel
1. 1 answer
2. 427 views
there should be commas around "however" in the following sentence " Dewayne had planned to take the last flight out to chicargo
1. 1 answer
2. 1,056 views
The following graph shows how a 4-color web printing press depreciates from the year 2006 to the year 2010. It was purchased new
1. 1 answer
2. 589 views
what is a flat area where drainage is slow?
1. 0 answers
2. 359 views
what tells you whether a solution is basic or acidic?
1. 2 answers
2. 439 views
how do you show contrast in a visual essay ?
1. 0 answers
2. 380 views
in the saying 'this means trouble', is trouble the adjective. I know that an adjective is a describing word but not sure if this
1. 1 answer
2. 416 views
if the integral ( [ )([ f(t) ,t, 0, 8) = k Find [ (3x^2f(x^3), x, 0, 2)
1. 2 answers
2. 400 views
If you dissolve 30.0 g of HF in 100mL of water, what is the concentration of H+ ions in this solution? (Can you figure out what
1. 1 answer
2. 996 views
4 in the number 427,083
1. 1 answer
2. 450 views
If you wanted to code 94 distinct characters, such as those found on a coputer keyboard, how many dots would the system need?
1. 1 answer
2. 376 views
in this sentence - Grandma has just made chocolate chip cookies, what part of speech is the word "just"??
1. 1 answer
2. 595 views
a bike racer is riding on his new bike at silverstone. The track is 4km long. What is his average velocity over one lap?
1. 1 answer
2. 742 views
What are 2 3/4 and 3 6/10 equals to decimal numbers?
1. 2 answers
2. 404 views
marc bought bananas, apples, and peaches. He bought twice as many lbs of bananas as apples, he bought 2 lbs more of apples than
1. 4 answers
2. 772 views
Determine the exact expression for the following.- cos(pi/4)=(x/60) I got x=60/√2 Is that correct? Also, I had a lot of
1. 2 answers
2. 498 views
compare and contrast the reactivity of the organometallic reagents R2Cd, RLi, R2CuLi, RMgBr, RZnBrwith respect to ethyl
1. 0 answers
2. 421 views
compare and contrast the reactivity of the organometallic reagents R2Cd, RLi, R2CuLi, RMgBr, RZnBrwith respect to ethyl
1. 0 answers
2. 407 views
I need help with the following problem. I do not understand how to finish working it.-3y^4/5+72=-15 -3y^4/5=-87 y^4/5=29
1. 2 answers
2. 357 views
okay so What conclusion can you draw about eroision and decomposition on Landforms. Help ME!!
1. 2 answers
2. 250 views
Botulism (a toxin produced by bacteria that causes food poisoning) and curare (a natural poison) inhibit the action of
1. 1 answer
2. 581 views
As water drains out of a 2000L hot tub, the amount of water remaining in the tub can be modelled by the function
1. 2 answers
2. 2,953 views
Six food groups in the caribbean please
1. 1 answer
2. 1,109 views
What are the six food groups in the Caribbean?
1. 7 answers
2. 600 views
I have to find the x-intercept.The equation is y=-2((x-4)^2)+1 I have to factor, but I have no idea how to factor this. I really
1. 0 answers
2. 418 views
How did federalism come about in the U.S? What short-comings of the original Articles of Confederation finally led to the
1. 0 answers
2. 365 views
Given that y=x^2+2x-3When x is -3 what is y? Is the ans 0? When x is 1 what is y? Is the ans 0?
1. 2 answers
2. 286 views
For some philosophers, writing is an unfortunate necessity, a means of communication that is at best irrelevant to the
1. 9 answers
2. 663 views
Officials are considering placing the sturgeon on the endangered species list. If such an action is taken, ships, including
1. 4 answers
2. 452 views
write the chemical equation for the following:solid ammonium nitrite decomposes to form an inert gas and water vapor. so, I
1. 4 answers
2. 726 views
How can you tell if moving electrons are being deflected by a magnetic field, an electric field, or both?
1. 2 answers
2. 611 views
A grocery store is having a contest where you can win a prize by choosing a winning cereal box. The store publishes the chances
1. 1 answer
2. 501 views
Can someone please explain the answer I got for a question I previously posted on this page? I don't understand the solution I
1. 1 answer
2. 506 views
What is the potential difference required to accelerate a deuteron of mass 3.3x10^27kg and charges 1.6x10^-19C from rest to a
1. 5 answers
2. 1,635 views
The following questions use a central charge of q1=+2x10^-4C1. What is the field strength at a distance of 5m from the central
1. 1 answer
2. 701 views
Two oppositely charged spheres, with a centre to centre separation of 4.0 cm, attract each other with a force of magnitude
1. 2 answers
2. 2,408 views
Based on a Ksp experiment, describe a way to soften water by removing calcium ions. What would be the advantages and
1. 1 answer
2. 2,778 views
What happens to the bank lending, supply of money, and aggregate demand if the Federal Reserve increases discount rate to 3.5%
1. 0 answers
2. 513 views
What type of reaction may be occurring when a person's skin develops a green stain beneath a 14 K gold bracelet? Using HA as the
1. 1 answer
2. 1,192 views
Why are alloys used to make coins rather than the pure metal?
1. 1 answer
2. 1,203 views
How would I balance this equation Ca(C2H3O2)2+K3PO4-->Ca3(PO4)2+KC2H3O2
1. 2 answers
2. 1,848 views
Can you name some good quotes from Macbeth which are relevant to The Witches or Duncan. Thanks.
1. 3 answers
2. 504 views
A 40-kg block of ice at 0°C is sliding on a horizontal surface. The initial speed of the ice is 7.0 m/s and the final speed is
1. 2 answers
2. 1,435 views
a red number cube and a white number cube are rolled. Find the probability that the red number cube shows a 2, given that the
1. 4 answers
2. 1,495 views
Find the median on the data:[42,51,53,53,59,61,75,100] My work: 53+59/2=82.5 According to the teacher that is not correct but
1. 1 answer
2. 364 views
find the first three iterates of the function f(z) = z^2+z-i if the initial value is i.My answers were: z=i; z1= -1, z2 = i, and
1. 2 answers
2. 516 views
What is the probability of getting an even number on a single roll of a number cube if you roll a 3 or greater.My answer: is 1/3
1. 1 answer
2. 667 views
use mathematical induction to prove that 1^2 + 2^2 + 3^2 + ... + n^2 = n(n+1)(2n+1)/6 for all positive integral values of n.My
1. 1 answer
2. 1,094 views
A set of data is normally distributed with a mean of 16 and a standard deviation of 0.3. What percent of the data is between
1. 2 answers
2. 584 views
4. In a backyard, there are two trees located at grid points A(-2,3) and B(4,-6).a) The family dog is walking through the
1. 1 answer
2. 618 views
A model of a planet shows a satellite moving in an elliptical orbit about the planet. The closest distance from the centre of
1. 1 answer
2. 1,158 views
How do I write a characterization paragraph?What's an effective way of characterizing?
1. 1 answer
2. 484 views
Write a number equivalent to 100 using only the digit 9
1. 2 answers
2. 260 views
Hi, I need a little help with solving this question for c:(2c-1)^3=4c^2-1 I did this already: (2c-1)^3-(4c^2-1)=0
1. 1 answer
2. 400 views
I have a question about the symmetry of graphs, but maybe it's more of a simple factoring question...Why is f(x)=x+(1/x) odd,
1. 1 answer
2. 594 views
How do you tell if a molecular shape (VSEPR) is symmetrical or asymmetrical?I know that if it has lone pairs, it must be
1. 1 answer
2. 2,397 views
A block slides down a frictionless plane having an inclination of 14.3°.If the block starts from rest at the top and the length
1. 3 answers
2. 757 views
Jimmy has caught two fish in Yellow Creek. He has tied the line holding the 4.30 kg steelhead trout to the tail of the 1.39 kg
1. 2 answers
2. 674 views
A golf ball is hit with an initial velocity of 135 feet per second at an angle of 22 degrees above the horizontal. Will the ball
1. 1 answer
2. 650 views
A surveyor sets a stake and then walks 150 feet north, where she sets a second stake. She then walks 300 feet east and sets a
1. 2 answers
2. 555 views
Nathaniel pulls a sled along level ground with a force of 30 newtons on the rope attached to the sled. If the rope makes an
1. 2 answers
2. 1,441 views
a triangular shelf is to be placed in a curio cabinet whose sides meet at an angle of 105 degrees. If the edges of the shelf
1. 6 answers
2. 622 views
how many different ways can the letters in the word SOCIAL be arranged if the letter C must be directly followed by the letter
1. 1 answer
2. 1,860 views
Which of the following series is divergent?a) 1+3(1/4)+9(1/4)^2+27(1/4)^3... b) 1+3(1/5)+9(1/5)^2+27(1/5)^3... c)
1. 1 answer
2. 1,217 views
Write the standard form of the equation of the circle that is tangent to the line x=3 and has center at (-2,-7).Answer:
1. 1 answer
2. 1,113 views

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