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2010
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Questions Asked on April 12, 2010

If two angles are supplementary, then their sines are equal. Explain why. What about the cosines of supplementary angles? If you
1. 3 answers
2. asked by sarah
3. 3,382 views
The lengths QR, RP, and PQ in triangle PQR are often denoted p, q, and r, respectively.What do the formulas 1/2 pq sinR and 1/2
1. 3 answers
2. asked by sarah
3. 3,953 views
Find the third side of a triangle in which a 4.00-inch side and a 6.00-inch side are known to make a 56.0-degree angle. Round
1. 1 answer
2. asked by hodna
3. 2,423 views
The perimeter of a triangle, its area, and the radius of the circle inscribed in the triangle are related in an interesting way.
1. 1 answer
2. asked by sarah A
3. 3,873 views
What type of economy does Germany have? The same question also goes for Russia and the U.K. PLEASE HELP ME!!!!
1. 1 answer
2. asked by Anonymous
3. 375 views
What is the length of the vector[5 cos theta, 5 sin theta]? If the vector [5,0] is rotated 36 degrees in the counter clockwise
1. 2 answers
2. asked by Sally
3. 1,216 views
Let u = [3,−4] and v = [8, 15]. Calculate the four numbers |u|, |v|, |u − v|, and |u| − |v|. Do the same with the vectors
1. 2 answers
2. asked by sarah B
3. 1,044 views
Two observers who are 5 km apart simultaneously sight a small airplane flying between them. One observer measures a 51.0-degree
1. 1 answer
2. asked by Ghanny
3. 2,468 views
1. The radius of the circumscribed circle of the triangle ABC is 15 cm. Given that B is a 49-degree angle, find the length of
1. 1 answer
2. asked by sally K
3. 5,477 views
if someone made the following statement asian americans and Pacific Islanders are a model minority, how would you explain that
1. 1 answer
2. asked by marty
3. 548 views
(x-y)/(4x+3y)=6x find dy/dx by implicit differentiation.
1. 1 answer
2. asked by Aisha
3. 501 views
What is the square root of 5 divided by the square root of 3?
1. 1 answer
2. asked by Dalton
3. 345 views
if some one made the following statement Asian americans and pacific islander belong to a single -asian American culture, how
1. 1 answer
2. asked by marty
3. 649 views
what do you call it when somebody spends 20 years in the 24th row of a theater
1. 6 answers
2. asked by brooks
3. 3,534 views
An early board game of ancient Egypt in which players moved their counters around the squares, please answer before 9:00 am
1. 2 answers
2. asked by Natalie
3. 881 views
In "A Nation Apart" what is the thesis statement in the article? what strategies does the author use to formulate his argument?
1. 1 answer
2. asked by pam
3. 550 views
Hello!I will type 2 exercises from the lesson I am teaching on Wednesday-english as a foreign language - 8th graders ( it will
1. 1 answer
2. asked by refy
3. 676 views
If the bases of an isosceles trapezoid have lengths of 22 and 29, what is the length of the median? If necessary, round your
1. 4 answers
2. asked by jboy
3. 886 views
You are in closed room somehwere on Earth. You have no compas, gyroscope or GPS. No TV, phone, FAX, emil, computer, internet, or
1. 4 answers
2. asked by DL
3. 973 views
I'm doing an essay on Roosevelt's New Deal, and i'm supposed to do it from a present perspective, keeping in mind the recent
1. 1 answer
2. asked by nat
3. 884 views
a linear composition often has a:a. solidity b. color c. movement d. all of the above
1. 2 answers
2. asked by rmz
3. 598 views
A certain FM radio station broadcasts jazz music at a frequency of 90.7 MHz. (Radio waves are electromagnetic)?Find the waves
1. 1 answer
2. asked by phill
3. 774 views
Simplify. All variables represent nonzero real numbers. The power of a power rule-5y4(y5)2 15y7(y2)3
1. 1 answer
2. asked by Anonymous
3. 462 views
MacDonald’s executives want to experiment with redesigning its restaurants so that the customers form one line leading to four
1. 0 answers
2. asked by britt
3. 650 views
when a transparent vessel is is filled with water and a jet flows out of the vessel with a light source placed so that a
1. 1 answer
2. asked by alliyu
3. 550 views
when a wire with weight attached to both end is placed across a block of ice,the wire may pass through it without cutting
1. 1 answer
2. asked by alliyu
3. 487 views
how can a solenoid be used to fire4 small ball?
1. 1 answer
2. asked by M. B
3. 473 views
briefly discuss the approaches to short term financing
1. 0 answers
2. asked by Gabriel
3. 401 views
give all the roots of f in the function f(x)= -9x^3-5x^2-36x-20
1. 1 answer
2. asked by Anonymous
3. 356 views
In an effort to help Japan recover from the devastating effects of the 1929 depression, Japanese military leaders in the
1. 2 answers
2. asked by Greiye
3. 1,162 views
I just want to know if I can send you my homework.
1. 2 answers
2. asked by Jane
3. 357 views
Differentiate (ln(ax+b))^n
1. 1 answer
2. asked by Welalas
3. 334 views
The Ka values of H3PO4 are shown below.Ka1 7.5 10-3 Ka2 6.2 10-8 Ka3 4.8 10-13 What is the pH of a 0.19 M solution of NaH2PO4?
1. 3 answers
2. asked by Chem Confused
3. 1,934 views
how does the contrast between an object and the background in a picture affect the appearance of depth?a. The greater the
1. 0 answers
2. asked by rmz
3. 538 views
Can you change the relationship between object and background by changing their colors? What happens?
1. 0 answers
2. asked by rmz
3. 364 views
Ms. Sue here is the poem that I was working on yesterday. I added other things onto here; I am still working on my ending, but I
1. 5 answers
2. asked by Sara
3. 643 views
Two kinds of shapes that are created when an object is placed in a picture plane are:a. right and left b. high and low c. light
1. 2 answers
2. asked by rmz
3. 1,077 views
A shape can set off from its surroundings using changes in:a. Value [lightness or darkness] b. color [chroma or hue] c. texture
1. 1 answer
2. asked by rmz
3. 1,080 views
A shape placed in two-dimensional surface establishes aa. sense of realism b. figure ground relationship c. color d. linear
1. 1 answer
2. asked by rmz
3. 592 views
In art the term scale refers to:a. range of colors used b. the texture of a surface c. the weight of a sculpture d. relative
1. 4 answers
2. asked by rmz
3. 879 views
List 5 ways in which way a health epidemic effects the economy
1. 1 answer
2. asked by Denise
3. 450 views
algo mas grande que un elefante
1. 2 answers
2. asked by Anonymous
3. 428 views
f(x) = 4e^-1x +13x +5 at (0,9)1. All steps for finding the first derivative of the function are clearly and accurately shown. 2.
1. 1 answer
2. asked by sarah
3. 1,277 views
!3 on top of 0 (3x^2 +x -2)dxCriteria: 1. All steps for finding the value of the antiderivative are clearly and accurately
1. 1 answer
2. asked by sarah
3. 439 views
A 50.0 mL sample of 0.42 M benzoic acid, C6H5COOH, a weak monoprotic acid, is titrated with 0.40 M NaOH. Calculate the pH at the
1. 3 answers
2. asked by Chem Confused
3. 943 views
I remember hearing something about how the Mayans predicted that it took so many days for the sun to orbit the sun and then Nasa
1. 0 answers
2. asked by :)
3. 396 views
Ms. Sue could you please take a moment to look at my previous post, thank you very much:-)
1. 2 answers
2. asked by Sara
3. 466 views
How would the force of gravity between two masses be affected if the separtion distance between them were doubled and decreased
1. 0 answers
2. asked by Anonymous
3. 452 views
-0.5 Q^2+24Q-Q*Q^0.5-100=0solve the eqution find value of Q
1. 0 answers
2. asked by mike
3. 379 views
It is summertime and two boys cannot wait for winter. one boy exerts a 70 Nhorizontal force as he pushes his 58 ig friend on a
1. 1 answer
2. asked by Wes
3. 543 views
How do you tell which end of a polar bond is positive or negative? My book says that a molecule such as Hf has a center of
1. 2 answers
2. asked by Emma
3. 906 views
How would one calculate the equilibrium pressure of Sodium bicarbonate and citric acid in water (think Alka Seltzer), reacting
1. 1 answer
2. asked by Joe
3. 663 views
A race car is driven around a circular track at a constant speed of 180mph. If the diameter is 1/2 mile, what is the angular
1. 1 answer
2. asked by Anonymous
3. 784 views
If the distance from the moon to the Earth increased from 230,000 (which it is today) to 2,000,000 miles, what affect would this
1. 1 answer
2. asked by Vanessa
3. 468 views
(x-7)(x-1/2)
1. 2 answers
2. asked by Ernesto
3. 300 views
Our cycle of normal breathing takes place every 5 seconds. Velocity of air flow, y, measured in liters per second, after x
1. 2 answers
2. asked by Anonymous
3. 1,060 views
What synonym could you use to replace horrendous?
1. 2 answers
2. asked by India
3. 866 views
Our cycle of normal breathing takes place every 5 seconds. Velocity of air flow, y, measured in liters per second, after x
1. 1 answer
2. asked by Anonymous
3. 1,626 views
Enter the Net Ionic Equation including phases, for the reaction of AgNO3 and Ba(OH)2.
1. 2 answers
2. asked by Brittany
3. 888 views
Farmers¡¦ Revolt„h Create a bullet point list of the factors that led to political stalemate and the subsequent farmers¡¦
1. 2 answers
2. asked by Donna
3. 776 views
Whichh is cheaper of the 2 following boxes?:One liter (1000 ml) per bottle, 12 in a box: $60 per box OR: Three quarter (750 ml)
1. 7 answers
2. asked by Rosedala
3. 510 views
Can you please check if the following sentences are possible? Just say "yes".Thank you very much in advance 1)The main themes of
1. 2 answers
2. asked by Franco
3. 581 views
What do they mean by compare and contrast adjusted book value with marketvalue? Are there any strengths or weaknessses of these
1. 0 answers
2. asked by Just Me
3. 385 views
Find the interval of concavity for f(x)=e^x/(5+e^x)?f'=[5*e^x ]/ [5+e^x]^2 & f"=[5*e^x ][5-e^x]/ [5+e^x]^3
1. 0 answers
2. asked by Si
3. 374 views
I have to write a story taking place in Eastern Asia. I've decided to write about a South Korean exploring life in North Korea.
1. 1 answer
2. asked by Rachel
3. 455 views
The terminal side of theta is in Quadrant III and lies on the line y = 2x. What are the 6 trig functions?
1. 2 answers
2. asked by Becky
3. 747 views
6. Calculate Herfindahl Index and Concentration Ratios for these markets.Drug Companies H.I. = ?, C.R. ? Health Care Providers:
1. 0 answers
2. asked by cynthia
3. 570 views
What is the sample space of expiremental probibility
1. 3 answers
2. asked by zoe
3. 169 views
A .600 g sample of CaCO3 is disolve in concentrated HCl (12M). the solution was diluted to 250 mL in a volumetric flask to
1. 6 answers
2. asked by pem
3. 1,085 views
Find the value of each of the remaining trig functions.Cscè=-4, ð<è<3ð/2
1. 0 answers
2. asked by Anonymous
3. 582 views
A race car is driven around a circular track at a constant speed of 180mph. If the diameter is 1/2 mile, what is the angular
1. 0 answers
2. asked by Anonymous
3. 752 views
_______g of MnSO4 H2O are needed to prepare a solution of 100.00mL of 0.100 M MnSO4.Thank You
1. 3 answers
2. asked by ChEm
3. 1,287 views
whats the answer to if you multiply me by 2 im greater than 20 but less than 40, if you multiply me by 4 i end in 2, and if you
1. 2 answers
2. asked by Anonymous
3. 413 views
The cost principle requires that when assets are acquired, they be recorded at
1. 1 answer
2. asked by Jack
3. 1,690 views
GENERAL GUIDELINESThis assignment is a written project of approximately 8-10 pages (not including bibliography). The project
1. 3 answers
2. asked by sara
3. 1,340 views
Use a Giant One to change each of the following fractions to a number over 100. Then write each portion as a percent.a. 85/200
1. 4 answers
2. asked by Addison
3. 634 views
m(squared)-8m+nFind the value on n such that each expression is a perfect square trinomial.
1. 0 answers
2. asked by Candice
3. 511 views
how do I get the answer to: 4/5 pounds of mints for 10 students?
1. 1 answer
2. asked by David
3. 173 views
The Rydberg equation (1=Rni 2–Rnf 2) can be treated as a line equation. What is the value of nf as a function of the slope (m)
1. 1 answer
2. asked by Christian
3. 599 views
Chlorine gas can be produced in the laboratory by adding concentrated hydrochloric acid to manganese(IV) oxide in the following
1. 2 answers
2. asked by Court
3. 1,409 views
At an altitude of 50.00 km, the average atmospheric temperature is essentially 0 degrees C. What is the average number of air
1. 1 answer
2. asked by Laura
3. 451 views
If two vectors u and v fit the equation (u − v) • (u − v) = u•u+v•v, how must these vectors u and v be related? What
1. 2 answers
2. asked by sally
3. 812 views
What is the fraction of NTA present after HT2- has been brought to equilibrium with solid PbCO3 at pH 7.00, in a medium in which
1. 0 answers
2. asked by Laura
3. 499 views
Calculate the mass percent of methanol, ethanol, and MTBE (answers must be received in that order) that must be present in
1. 0 answers
2. asked by Laura
3. 411 views
The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P.(a) Find the
1. 0 answers
2. asked by sally
3. 479 views
The Rydberg equation (1=Rni 2–Rnf 2) can be treated as a line equation. What is the value of nf as a function of the slope (m)
1. 0 answers
2. asked by Christian
3. 537 views
Draw the unit circle and a first-quadrant ray from the origin that makes an angle è with the positive x-axis. Let B be the
1. 0 answers
2. asked by yadlay
3. 1,184 views
Let u = [2,−3, 1] and v = [0, 1, 4]. Calculate the vector u − v. Place u and v tail-to-tail to form two sides of a triangle.
1. 0 answers
2. asked by sarah A
3. 457 views
what it means to be a black family in the 21 centary
1. 1 answer
2. asked by brittany
3. 437 views
Triangle PEA has a 20-degree angle at P and a 120-degree angle at E, and the length of side EA is 6 inches. Find the lengths of
1. 1 answer
2. asked by Beatrice
3. 1,253 views
How do I say .7542?
1. 2 answers
2. asked by Angela
3. 284 views
I need the last two lines for a sonnet. They need to have 10 syllables each. and they need to rhyme with each other. And have to
1. 1 answer
2. asked by Kelsie
3. 436 views
what mass of sodium acetate should be dissolved in 1.00L of acetic acid, 0.150M concentration, in order to produce a buffer with
1. 1 answer
2. asked by Reen
3. 892 views
Hi, I have a few chemistry problems that I'm having trouble solving. I put my attempted solutions after the problems in *'s.
1. 1 answer
2. asked by Maggie
3. 822 views
how many grams are contained in 0.50 mol of each compound? HCl Na2SO4C2H2 and Al(OH)3?
1. 1 answer
2. asked by cathy
3. 665 views
Standard deviation for the following setsand compare the differences. first 7 #'s 57 61 57 57 58 57 61 second 7#'s 61 52 69 64
1. 0 answers
2. asked by Dannette Fulcher
3. 840 views
what similarities and differences are there between functions and linear equations?Is there an instance when a linear equation
1. 1 answer
2. asked by nala
3. 466 views
Find a Counterexample to show that the conjecture is false.Conjecture: Any number that is divisible by 6 is also divisible by
1. 1 answer
2. asked by Court
3. 1,253 views
In each of the following, find the angle formed by u and v:(a) u = [2, 1] and v = [1,−3] (b) u = [−1, 0, 1] and v = [0,
1. 2 answers
2. asked by john
3. 496 views
Methanol (CH4O0, which is used as a fuel in high performance racing cars, burns in the presence of )2 to form CO2 and H2O. The
1. 0 answers
2. asked by cathy
3. 1,048 views

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