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Annie
Questions and answers by visitors named
Annie
Questions (472)
The length of the hypotenuse of a 30 60 90 triangle is 16. What is the perimeter?
I'm just learning about this. Can someone
5 answers
5,759 views
Nazir saved $900 to buy a plasma tv, he borrowed the rest at an interest rate of 18%/a compounded monthy, 2 years later he paid
4 answers
1,493 views
Dieter deposists $ 9000 inoan account that pays 10%/a compunded quarterly, after 3 threes the inerest rate changes to 9%/a
5 answers
2,151 views
a)How much work is required to lift a 35-kg object from the ground 3.0 m into the air?
b) How much gravitational potential energy
19 answers
5,092 views
kuldeep had a sum of money. He saved 1/4 of it. He spent 4/9 of the remaining on suitcase. a) What fraction of his money sent on
7 answers
5,104 views
Jamal got a job working on a assembly line in a toy factory, on the 20th day of work, he assembled 137 toys, he noticed that
5 answers
2,626 views
one example of a chemical in food that is not a nutrient is?
a) fiber b) selenium c) starch d) folate
3 answers
784 views
Sarah throws rocks into a quarry lake from the top of a 67 foot high wall. The chart gives the horizontal distance, x (in feet),
3 answers
433 views
How long would you have to invest $5300 at 7.2%/a simple interest to earn $1200 interest
4 answers
1,196 views
The half-life of radioactive strontium-90 is approximately 32 years. In 1961, radioactive strontium-90 was released into the
4 answers
2,712 views
Calculate the work done in each of the following situations.
a) A horse pulls a wagon with a force of 1200 N and moves it 15 m.
7 answers
1,952 views
The class with the greatest mean sales in a spring fundraiser will win a prize. The mean for Eric's class is $148. The mean for
7 answers
3,163 views
For problems 4-5, find the surface area of the cylinder in terms of pi.
(cylinder is 18 cm high and 14 cm wide) A. 350 pi cm2 B.
7 answers
6,401 views
1. What pattern or structure is there to the development the the plot? Describe the way the events are organized. Is the
5 answers
2,117 views
Amelia is documenting the height of sunflower plants each week. She has determined the function to be f(x) = 3x + 3, where x
3 answers
2,474 views
Balance the following half-reaction under basic conditions.
NO3^− → NH3
4 answers
2,343 views
The perimeter of the room is 50m. the length exceeds by the width by 3.3m. Find the length of the room.
3 answers
472 views
given isosceles triangle ABC, line AB = BC, and BD is the angle bisector of isosceles triangle ABC
prove AB x DC = BC x AD Aren't
1 answer
649 views
This is related to a biology lab I did. What is the purpose of adding sand to hydrogen peroxide (and put at a glowing splint at
1 answer
498 views
I need to pick a polymer for my science project. It has to be organic and preferably simple.
Some that are already taken are:
1 answer
1,102 views
Factor theorem states that "x-a is a factor of f(x) if and only if f(a)=0"
1. What is the sufficient condition of the factor
1 answer
556 views
Between 1880 and 1925 American society remained true to its core values of liberty, equality and opertunity regaurding
10 answers
764 views
What were the essential principles of the Theodore Roosevelt's foreign policy, and how did he apply them to specific situations?
1 answer
680 views
In Mckinley's Campain,two of this campaign themes were "The Currency Question"- the gold standard or free labor AND "Protective
1 answer
1,008 views
what role did MARK HANNA McKinley's campaign manager play in the election and how would he had voted?
1 answer
1,018 views
Can anyone help I have to write an equation a structural formula for a reaction between the following, having some trouble
1 answer
464 views
Using supply and demand analysis, comment upon whether a free market in university education will always lead to higher charges
1 answer
522 views
Rohombus ABCD is circumcribed about P and has a perimeter of 32
Fing x. Hmmm. What is Fing x mean? Never mind the 'fing x', I am
1 answer
436 views
simplify
2/x^2-y^2-1/x^2-3xy+2y^2-3/x^2-xy-2y^2 group like terms, and combine them. I see terms 1/x^2, y^2, and xy terms that can
1 answer
441 views
what do we call the numbers that cannot be arranged into 2-row arrays?
1 answer
364 views
A railway was built from Burma to Thailand during WWII. What is the correct name for this railway? Is it the Siam-Burma Railway?
4 answers
642 views
write an equation
thirteen decreased by n is equal to 9.
6 answers
1,316 views
what is the general formula for figuring out this question?
If the dinar devalues against the US dollar by 45%, the US dollar
4 answers
486 views
For x such that 0<x<ƒÎ/2, the expression
�ã(1-cos^2 x)/sinx + �ã(1-sin^2 x)/cosx is equivalent to: 0, 1, 2, -tanx or sin2x
1 answer
440 views
This question has been bothering me. Is twenty five proper or twenty-five?
3 answers
430 views
Describe the impact of Orientalism on Muslim and Arab Americans and list two to three characteristics of Orientalism.
My answer.
3 answers
510 views
Assuming that the planet Venus moves in a circular orbit of radiua 112 million km around the Sun and that it completes one
5 answers
871 views
The fourth largest is the Arctic Ocean. If
P over 12 (p/12) stands for the approximate area of the Arctic, then what is the
3 answers
462 views
The sum of the first n counting numbers 1 + 2 + 3 + 4 + 5 ... + n is given by S = n/2(1 + n).
a) Find the sum of the numbers 14
2 answers
546 views
Suppose that a tank contains 680m^3 of neon at an absolute pressure of 1.01*10^5 Pa. The temperature is changed from 293.2 to
5 answers
3,182 views
Find the exact solutions of the systems of equation x^2+2y^2=18 and x=2y
3 answers
983 views
Which of the following compounds in the liquid phase can be considered an electrolyte?
a) CO 2 (carbon dioxide) b) CuO (oxidized
2 answers
883 views
An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the
1 answer
451 views
Table salt - sodium chloride, one of the most common substances occurring in nature- is best classified as which of the
1 answer
479 views
The most useful indicator of degree of democracy reached by a particular society is whether it has a
a) civilian government b)
3 answers
679 views
Essential nutrient?
a) are made by the body b) only can be supplied adequately with dietary supplements c) must be obtained
1 answer
446 views
Essential nutrient?
a) are made by the body b) only can be supplied adequately with dietary supplements c) must be obtained
2 answers
691 views
The most useful indicator of degree of democracy reached by a particular society is whether it has a
a) civilian government b)
3 answers
468 views
I'm pretty confused about these problems. We're learning growth and decay, but there are quite a few formulas.
1. Suppose $500 is
3 answers
1,059 views
I'm writing an essay looking into why organisations may systematically not hire the best candidate for the job. So far I have
2 answers
466 views
I need two real life examples of chemical reactions that require high activation energy. Please help.
4 answers
617 views
A 67-year-old man is diagnosed with cancer and subsequently undergoes chemotherapy.
As an expected side effect of chemotherapy,
3 answers
637 views
An organelle is
A. the smallest “living” structure in the body. B. a specialized body part composed of tissues. C. a
6 answers
477 views
To translate the sentence, "I will not be the first to fight" is it "Non ero prima pugnare" or is it "non ero primum pugnare"...
2 answers
586 views
How do you calculate the volume of titrant needed to reach the endpoint of a reaction when you are given the mls and molarity of
4 answers
2,517 views
The addition of aqueous ammonia to the cathode compartment of the cell described below reduces the cell potential. Likewise, the
1 answer
478 views
I am having alot of trouble remembering how to do this and this is a practice question for my final if you could help that would
2 answers
477 views
92% of 30 is what number
1 answer
280 views
An ion exchange process may be used to remove ions causing hardness of water.
Outline how this works. 1. Ca2+ and Mg2+ are the
4 answers
1,745 views
In Great Expectations, what are the three spiritual stages that Pip goes through? What changes in Pip mark each progression into
1 answer
368 views
What are the capitols of the following countries?
1. Spain 2. Mexico 3. Puerto Rico 4. Peru 5. Venezuela 6. Ecuador 7. Chile 8.
4 answers
714 views
The lines of latitude divide the globe into units called what?
4 answers
481 views
We start with 5.00 moles of an ideal monatomic gas with an initial temperature of 123C. The gas expands and, in the process,
4 answers
3,305 views
1.Assignment: Negative Messages
Using templates or sample documents to help you write e-mails, memos, and letters may be helpful
2 answers
551 views
Find the equation of the normal to the curve y = 3x^2 - 5x that is perpendicular to the line y = x + 4.
1 answer
333 views
A block of mass m1 = 4.80 kg sits on top of a second block of mass m2 = 15.6 kg, which in turn is on a horizontal table. The
2 answers
1,012 views
what is the density of the block?
density is 2700 volume is 10^-4
4 answers
308 views
Sixty-two percent of the students at Kennedy High School are involved in extra curricular activities. If 152 students are not
2 answers
542 views
Two people standing 30 feet apart look east at the top of a tree. The first person looks up at an angle of 78 degrees. The
3 answers
554 views
convert the equation y^2 = 2x -x^2 into polar form.
convert the equation r = 2tan(theta) into rectangular form. I'm not really
2 answers
868 views
How do you find csc 163degrees 20minutes? (I didn't know how to insert the degree and minute marks)
3 answers
1,199 views
What is the force of gravity at 220 miles above Earth's surface? Calculate how much of a g force the astronauts are actually
3 answers
958 views
is this a good beginning?!??!
The movie, "Swing Kids", is not a light hearted, family film, but rather one that provokes deep
2 answers
555 views
Use systems of lineear equations to solve:
An airplane flew for 6 hours with a 22-km/h tail wind. The return flight against the
2 answers
503 views
Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point and four-point questions on the
7 answers
2,074 views
Last year you mowed grass and shoveled snow for 10 households. You earned $200 per household mowing for the entire season & $180
2 answers
1,134 views
if you had m^0g^0 would you leave it in that form or would the simplified version be 1?
1 answer
338 views
would (3x^4/15)^2 be x^8/25 when finally simplified?
1 answer
257 views
What social classes existed in Aryan culture?
2 answers
471 views
If Titanic hit an iceberg at 11:40 p.m and 2 hours and 40 minutes later it sank, what time did it sink at?
3 answers
398 views
Will a lightbulb pop in space?
1 answer
331 views
Bellevue Hospital in New York City uses 100.6 °F as the lowest temperature considered to indicate a fever.
a. (0.1 point) What
2 answers
1,134 views
Three pieces of wood are needed for a project.
They are to be cut from a 90-cm-long piece of wood. The longest piece is to be 3
3 answers
1,030 views
Why does the rainy season in the tropical dry forest and tropical savanna biomes come during the warmer months?
4 answers
1,072 views
calculate missing dimension.
square based pyramid has height 92cm and volume 5.4 m cube.
3 answers
611 views
How do you solve 2x^2 - 20 = 3x
Thank you
3 answers
271 views
Choose the equivalent expression(3h^-2j^3k)^2(hj^-5k^3)^-2 The signs that look like minuses are negative signs
Answers:
1 answer
450 views
I need to graph this equation y=(3/2)sin(3x+2ð)-3. What would the primary interval be for this problem and how would it appear
1 answer
316 views
Posted by Annie on Monday, October 18, 2010 at 7:20pm.
Choose the equivalent expression(3h^-2j^3k)^2(hj^-5k^3)^-2 The signs that
5 answers
565 views
Investigating changes in colligative properties involves the measurement of a solution’s concentration in molality instead of
2 answers
467 views
A rotating wheel requires 9.00 s to rotate 29.0 revolutions. Its angular velocity at the end of the 9.00 s interval is 98.0
3 answers
1,314 views
How do you find dy/dx by implicit differentiation with respect to x?
x^3 + y^5 = 1
1 answer
322 views
Write y = 10^(x) as a logarithmic function
Choices are log(x)10 = y log(y)x = 10 log(10)y = x log(x)y = 10 I think it is log
1 answer
435 views
Which of the following confirms that gravitational mass and inertial mass are equal?
1.Free-fall accleration is the same
3 answers
728 views
Which of the following confirms that gravitational mass and inertial mass are equal? I posted this about three hours ago and no
4 answers
631 views
perform the indicated operations
9-3[4-3(2)
1 answer
345 views
can someone tell me how to get a division symbol when posting problems in Algebra
1 answer
348 views
Perform the indicated operations
10 − 5[24 ÷ 6 ⋅ 2] 1
1 answer
362 views
9 − 34 − 3(2)
1 answer
217 views
Have 2 identical cars each 1000kg at a speed of 20m/s. The yellow car is stopped by car's brakes in 25m while green car is
2 answers
567 views
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