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April 8, 2012
The trapezoids are similar. The area of the smaller trapezoid is 564m^2. Find the area of the larger trapezoid to the nearest
25 answers
asked by
kevin
11,240 views
The solubility product expression for mercury(I) iodide, Hg2I2 is Ksp = ?
My answer is [Hg2^2+^][2I^-^]^2^ Would you agree?
7 answers
asked by
Hannah
8,798 views
An automobile traveling 95 overtakes a 1.10--long train traveling in the same direction on a track parallel to the road.
Q1: If
2 answers
asked by
kelly
6,531 views
Find how many positive integers with exactly four decimal digits, that is, positive integers between 1000 and 9999 inclusive,
1 answer
asked by
carlton
5,277 views
If a ball is thrown directly upwards with twice the initial speed of another, how much
higher will it be at its apex? A) 8 times
1 answer
asked by
DCM
5,248 views
Find the area of the rhombus. Leave your answer in simpliest radical form.
Looks like kite the left sied top corner is 60 degrees
1 answer
asked by
kevin
4,316 views
if f varies jointly as q^2 and h, and if f = 72 when q = 3 and h = 4, find h when f = 48 and q = 2
2 answers
asked by
Jason
4,040 views
Write a quadratic equation with real coefficients if one of the solutions is -5 + 7i
1 answer
asked by
Jill
3,601 views
An electromagnetic wave strikes a 3.00-cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is
1 answer
asked by
Tony
3,317 views
Can you please check these sentences on history, please? Thank you, Writeacher.
1) In the 8th and the 9th centuries Scandinavian
4 answers
asked by
Matthew
3,278 views
A ball of mass m is attached by two strings to a vertical rod. as shown above. The entire system rotates at constant angular
1 answer
asked by
tammy
2,970 views
The Ksp values for three salts are given:
AgCl = 1.0e-10 Ag2CO3 = 6.3e-10 Ag3PO4 = 2.0e-21 Determine the order of solubility for
3 answers
asked by
Hannah
2,614 views
You are trying to raise a bicycle wheel of mass m and radius R up over a curb of height h. To do this you apply a horizontal
1 answer
asked by
Emily
2,381 views
A small car of mass 985 kg is parked behind a small truck of mass 1551 kg on a level road. The brakes of both the car and the
1 answer
asked by
Amber
2,380 views
How many stereoisomers are there for 1,2-dichlorocyclopentane?
The answer options are 1,2,3 & 4. I think it is 4 because there is
3 answers
asked by
Meenaakshi
2,162 views
If Will gives Molly $9 he will have the same amount as her. If Molly gives will $9 the ratio of the money she has to the money
3 answers
asked by
T
2,030 views
A 40 kg child is standing on the edge of a merry-go-round in a playground. Before they were deemed too dangerous, these were
1 answer
asked by
Taylor
2,025 views
A sample of 8.00 L of NH3 (ammonia) gas at 22 degrees and 735 torr is bubbled into a 0.500 L solution of 0.400 M HCl
3 answers
asked by
Kimmytuma
1,926 views
what conditions must exist for a polyatomic molecule to be nonpolar?
1 answer
asked by
Maci
1,922 views
4. Use the information above to write net ionic equations for the two reactions that you have observed.
5. For each reaction,
5 answers
asked by
Please Check!
1,776 views
Can someone help me describe the peruasive appeal of Dr. Kings "I Have a Dream" speech, and refering persuasive devices and
2 answers
asked by
kevin
1,740 views
The position of a particle on the x-axis at time t, t>0' is ln t. Find the average velocity of the particle for 1<=t<=e .
2 answers
asked by
Dandylove
1,476 views
At 55C, the K for the reaction: 2NO2(g) <--> N2O4 is 1.15
a) write the equilibrium expression b) calculate the concentration of
5 answers
asked by
Anonymous
1,456 views
Use the shortcut rules to mentally calculate the derivative of the given function
f(x) = −x + (3/x) + 1 After deriving it, I
3 answers
asked by
Nick
1,444 views
Tell whether the bonds between the following atoms are polar covalent or pure covalent bonds.
a. Si-Si b. H-O c. C-H d. C-O e.
2 answers
asked by
Maci
1,433 views
persuasive appeals (A)
tone (D) ethos (E) pathos (B) logos (C) A) an appeal to logic B) the emotions that a speaker demonstrates
6 answers
asked by
kevin
1,403 views
Jamal has invested 5000.00 in an account that earns 2.50% interest per annum for a term of 10 years.
a) how much interest will he
4 answers
asked by
Donald Trump
1,395 views
A 1.5 liter flask is filled with nitrogen at a pressure of 12 atmospheres. What size flask would be required to hold this gas at
2 answers
asked by
Imani
1,334 views
(1)Is a trapezoid a square? false (2) if all sides of a quadilateralare congruent,the quadilateral is a rhombis? true or false
1 answer
asked by
becca
1,328 views
Which of the following mixtures will be a buffer when dissolved in 1 liter of water?
0.10 mol Ba(OH)2 and 0.20 mol HCl 0.30 mol
1 answer
asked by
Hannah
1,249 views
A 1.3 kg steel ball and 8 m cord of negligi-ble mass make up a simple pendulum that can pivot without friction about the point
2 answers
asked by
Amber
1,235 views
2 HgCl2 (aq) + SnCl2 (aq) --> SnCl4 (aq) + Hg2Cl2 (s)
Hg2Cl2 (aq) + SnCl2 (aq) --> 2Hg (s) + SnCl4 (aq) For each reaction, write
0 answers
asked by
Betsy
1,181 views
1)Which term best describes the linear programming situation represented by x+y=2
why is the answer infeasible? 2)Describe the
0 answers
asked by
hanna
1,177 views
The trapezoids are similar. The area of the smaller trapezoid is 564m^2. Find the area of the larger trapezoid to the nearest
2 answers
asked by
kevin
1,174 views
Janice found two sea shells when she went to the beach. They appear to be almost the same size, but they have different shapes.
1 answer
asked by
Sara HELP ME PLEASE
1,143 views
An automobile traveling 95 overtakes a 1.10--long train traveling in the same direction on a track parallel to the road.
Q1: If
3 answers
asked by
kelly
1,117 views
This is an experiment for a synthesis of aspirin lab
mass of salicylic acid = 2.005 g mass of acetic acid = ? moles of acetic
4 answers
asked by
Priscilla
1,081 views
The isothermal bulk modulus of elasticity of a gas is 1.5 * 100000 N/m^2. What will be its adiabatic bulk modulus of elasticity?
1 answer
asked by
Tools(plz help its really urgent)
1,077 views
Can I use the simple past (as used by Shakespeare) to refer to the initial relationship between Prospero and Caliban? I added a
1 answer
asked by
Matthew
1,072 views
1. what sources should you include in your works cited list?
a. all of the sources that you read whether you used them in the
2 answers
asked by
jay
1,072 views
if the odds agaisnt you winning are 1 to 7,what would the probability that you would win?
1 answer
asked by
jazz hands
1,060 views
what do we mean when we describe a molecule as being polar?
2 answers
asked by
Maci
1,057 views
Let L1 be the line with the vector equation r= (-2,3) +s(-1,3), seR. Let L2 be with the line with parametric equation x=3t+2,
1 answer
asked by
Samantha
1,029 views
Just as a car tops a 49 meter high hill with a speed of 77 km/h it runs out of gas and coasts from there, without friction or
1 answer
asked by
lenny
1,021 views
marcie, kim and yvonne are on the same softball team.
(A). During the last season . Marcie hit 3 less than twice the number of
1 answer
asked by
john
997 views
Explain why the plane with Cartesian equation 2x+5z-3=0 never intersects the y-axis.
Answer:Because there is no y-value in the
1 answer
asked by
Jenny
985 views
A piece of notebook paper is about 0.0032 inch thick. If you begin with a stack consisting of a single sheet and double the
1 answer
asked by
DAN
955 views
A hardware store owner chooses to enclose an 800 square foot rectangular area in front of her store so that one of the sides of
2 answers
asked by
Trisha
943 views
Given the reaction 1/2 N2( g) + 3/2 H2 (g) ___> NH3 (g) +11.0kcal.Is this reaction exothermic or endothermic?
1 answer
asked by
faisal
941 views
An underground electricity cable is to be laid between two boat docks on opposite banks of a river. One boat dock is 600 feet
1 answer
asked by
Trisha
941 views
1)Which of the following results in the graph of f(x) = x2 being expanded vertically by a factor of 4? the answer is
f(x) = 4x2.
0 answers
asked by
bordo
919 views
If a spring stretches 0.9 m when a 3-kg weight is attached to it, how much will it stretch when a 4-kg weight is attached to it?
1 answer
asked by
gwen
915 views
bob and sue are initially standing still on frictionless ice. bob weighs 500n . they push against each other and sue acquires an
0 answers
asked by
dam
909 views
Questions:
1. In each test tube, a precipitate formed upon DROPWISE addition of the second reagent (steps 5 and 6). What are
2 answers
asked by
Maranda
908 views
Which plane goes through the origin and is perpendicular to the line r=(2,-2,1) + s(2,3,-4), seR?
a) 2x-2y+z=0 b) 2x+3y-4z=0 c)
1 answer
asked by
Jake
900 views
If an object is launched straight up into the air from a starting height of h_{0} feet, then the height of the object after t
2 answers
asked by
Trisha
893 views
Steam is compressed reversibly to liquid water at the boiling point 100C. The heat of vaporisation of water at 100C and 1.01325
0 answers
asked by
Charles
869 views
For what values of x does 4x^6-8x^3+18 have a relative minimum
1 answer
asked by
Dandylove
864 views
solve the system of linear equations
2x+2y=1 3x-y=6 thanks
3 answers
asked by
sandra
862 views
What are the general equations for reaction of
1. Strong acid and weak base 2. Strong base and weak acid?
1 answer
asked by
chamy
845 views
((k^2+6k+9)/(k^2+12k+27))×(k^2+9)/((k^2+12k+27))
express in lowest terms
2 answers
asked by
Jason
825 views
Find the supplement of 8pi/17.
3 answers
asked by
Rina
811 views
Helium - oxygen mixture is used by deep sea divers in preference to nitrogen - oxygen mixture. Why?
3 answers
asked by
Molly(its urgent)
807 views
A man (mass = 78.6 kg) is jogging through the woods and runs straight into a large oak tree at 6.1 m/s. Rebound speed is
1 answer
asked by
Miriam
802 views
. Ksp for Fe(IO3)3 is 10-14. Two solutions, one being iron(III) nitrate and the other being sodium iodate, were mixed. At the
1 answer
asked by
Hannah
797 views
The seesaw principle: As you probably know, any two persons can balance each other
when sitting on opposite sides of a seesaw,
1 answer
asked by
chamy
785 views
Rank the species from strongest to weakest base:
Cl-, OH-,NH2
0 answers
asked by
Charlie
784 views
The federal government employs approximately how many people?
1. 1-2 million 2. 2.5-2.7 million 3. 3-4 million 4. over 5 million
3 answers
asked by
sham
781 views
A ferris wheel has a 14 meter diameter and turns counterclockwise at 6 rpm.
a) Assuming that the center of the wheel is the
1 answer
asked by
Lisa
759 views
the mean annual income for adult women in one city is and the standard deviation of the incomes is The distribution of incomes
0 answers
asked by
Taisha
754 views
For what reasons have many developing African nations rejected capitalism in favor of various forms of socialism?
Can someone
1 answer
asked by
kevin
752 views
Predict what type of bonging predominates in each of the following.
a. AsCl3 b. LiBr c. CuNi d. SO2 e. XeF6 f. Fe g. MnF2 h. HCN
2 answers
asked by
Maci
751 views
A British pharmaceutical company spent years and considerable funds on the development for a treatment for HIV patients. Now,
1 answer
asked by
Anonymous
751 views
An air bubble of volume 15 cc is formed at a depth of 50 m in a lake. If the temperature of the bubble while rising remains
3 answers
asked by
Tulika
741 views
Perform the indicated operations and simplify:
i^-31
1 answer
asked by
Adrian
737 views
Consider line segments which are tangent to a point on the right half (x>0) of the curve y = x^2+7 and connect the tangent point
1 answer
asked by
Lynnn
735 views
The solubility product expression for mercury(I) iodide, Hg2I2 is Ksp = ?
My answer is [Hg2^2+^][2I^-^]^2^ Would you agree?
1 answer
asked by
Hannah
731 views
Choose and Place MLA, APA, or Both in the blank.
_____1. In a work with a single author, the author’s last name and initials
3 answers
asked by
john
728 views
f(x)=sin2x and g(x)=1/2tanx for x is the element of [-90;180]
8.1)calculate the x-coordinates of the points of intersection of f
1 answer
asked by
Piwo
713 views
Sneakers were on sale for 25%off their original price. Lola bought a pair of sneakers that has an original price of $43.00. She
2 answers
asked by
Shaquanieta
713 views
An open hemispherical bowl of radius R is slowly
draining through a small hole of radius r in the bottom of the bowl. Let g be
0 answers
asked by
chamy
703 views
I left out the following sentences.
Can you please check them? I hope they are the last on the same subject. I really rely on
1 answer
asked by
Matthew
692 views
A beam containing one hundred billion (i.e. 1x10^11) electrons moves perpendicula to a 4.0 Tesla magnetic field and is deflected
1 answer
asked by
GRISSELL
691 views
What is the pH of a 5.06E-2 M aqueous solution of sodium acetate?
I know that I would set this up the same way I did for the
1 answer
asked by
Hannah
685 views
I have to make 4 square dog pens fit into a 169 square meter yard.
the yard is square whole numbers If you square the yard it
1 answer
asked by
SUZANNE
681 views
Why B(CH3)3 cannot be Lewis Base??
1 answer
asked by
Charlie
676 views
The number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)=-0.6x^2+12+13, where x is
1 answer
asked by
Terry
675 views
I need some help. I have tried working this problem and can't get it.
A scale model of the solar system is being constructed
1 answer
asked by
mel
670 views
If you can see the face of a friend who is underwater, can she also see you?
Please explain. Thanks :)
1 answer
asked by
Celina
669 views
Sam has started babysitting to earn extra money. On Thursday night she earned $26, on Friday night she earned $19, and on
1 answer
asked by
Lauren
647 views
Service time, T, at an auto center has a Weibull distribution with parameters θ=3.7 and β=1.35. What is the probability that
0 answers
asked by
Jack
632 views
Brandon's bedroom floor is 12ft by 8ft. How many square feet of carpet are needed to replace his old carpet?
1 answer
asked by
Joe
631 views
I need some help. I have tried working this problem and can't get it.
A class is building a scale model of the planets based on
1 answer
asked by
mel
628 views
2. At 600 K the decomposition of gas ohase nitroethane (CH3CH2NO2) is first order with a rate constant of 1.9*10^-4 s^-1.
CH3CH2N
3 answers
asked by
Tasneem
627 views
. The insoluble salts AV, B2W, C2X3, DY2, and EZ3, which were formed from the metal ions A+, B+, C3+, D2+, and E3+ and the
1 answer
asked by
Hannah
624 views
I am completely stuck on these two questions. I have read my chapter, but I am still doubting that I got the answers correct.
1.A
0 answers
asked by
Bobbie
623 views
A bullet of mass m = 5.89 g is fired into a block of mass M = 3.09 kg that is initially at rest on the edge of a smooth table.
1 answer
asked by
Marc
616 views
Find the supplement of pi/6
1 answer
asked by
YOLO
612 views
what shape would you expect a molecule to hove that was based on an atom with only two bonding pairs of electrons? Three bonding
2 answers
asked by
Maci
597 views
There are two objects of the same size.However, one object is made of wood, and the other object is made of plastic. Which of
1 answer
asked by
Bella help please
596 views
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