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Pamela

Questions and answers by Pamela

Questions (91)

A zinc-copper battery is constructed as follows at 25°C.Zn|Zn^2+ (0.15 M)||Cu2+(3.00 M)|Cu The mass of each electrode is 200.
1. 4 answers
2. 3,763 views
Helen give her brother 1/3 of her money.spend 2/5 and save $28.00.A. How much money helen had at first. B.how much money did
1. 2 answers
2. 542 views
2.1 Two blocks of mass M kg and 2.5kg respectively are connected by a light, inextensible string. The string runs over a light,
1. 7 answers
2. asked by Pamela
3. 2,811 views
I'm writing an essay and would like to examine a few people's different opinions on this question in order to help me choose my
1. 1 answer
2. 424 views
How has the study of cells affected science today?
1. 1 answer
2. 495 views
How do you find acceleration and Fnet for a diagram containing only one object with a mass, like say 10kg, and two arrows going
1. 1 answer
2. 599 views
How do you find acceleration and Fnet for a diagram containing only one object with a mass, like say 10kg, and two arrows going
1. 1 answer
2. 855 views
Find the values for a and b such that f(x) is continuous on the interval 0 < or = to x < or = to 13.{ 2x^2, 0 < or = to x < or =
1. 1 answer
2. 472 views
Is it possible to find a rational function that has x-intercepts (-2,0) and (2,0), but has vertical asymptote x=1 and horizontal
1. 1 answer
2. 842 views
how many mountains are in south america
1. 3 answers
2. 282 views
how many mountains are in asia
1. 3 answers
2. 369 views
Marta's mother is 5 times as old as Marta. Marta's mother is 25. How old is Marta?______ In a few years, Marta's mother will be
1. 1 answer
2. 349 views
Sara is 1/4 the age of her father. Sara's father is 60. How many years older than Sara is Sara's father?_____ How many years ago
1. 5 answers
2. 310 views
The amount of water needed daily by plants for photosynthesis, cell growth, and cell maintenance is very small, and yet plants
1. 1 answer
2. 466 views
The amount of water needed daily by plants for photosynthesis, cell growth, and cell maintenance is very small, and yet plants
1. 5 answers
2. 702 views
What were the requirements and benifits from being a robber baron in the 1800's?
1. 3 answers
2. 492 views
What powers does the Executive Branch have over Legislative Branch?
1. 1 answer
2. 331 views
the sides of the DNA ladder are made up of molecules of the sugar______and_______.
1. 1 answer
2. 252 views
What does this Question mean to you:Does the Protection of self-incrimination violate the fifth amendment? Does the police
1. 3 answers
2. 425 views
A)why was France willing to sell Louisiana, and why did the united states purchase it?B)What was the purpose of Pike's
1. 2 answers
2. 696 views
I have to compare and contrast Rococo Architecture and Art Nouveau with political elements as well as historical relevance. I am
1. 4 answers
2. 795 views
I was wondering what are some natural resources needed for survival and the consequences for not having those resources. I would
1. 6 answers
2. 586 views
Please help! I need to simplify this and am confused.(sqrt5 a^7/2)^4 a^3/a^8
1. 3 answers
2. 382 views
Gina plans to invest $12,000, part at 4% simple interest and the rest at 6% simple interest. What is the most she can invest at
1. 4 answers
2. 2,255 views
Consider the equation4x^2 – 16x + 25 = 0. (a) Show how to compute the discriminant, b^2 – 4ac, and then state whether there
1. 6 answers
2. 1,887 views
Suppose A is the amount borrowed, r is the interest rate (in decimal form), and m is the total number of monthly payments.Let w
1. 2 answers
2. 620 views
Let x = log_2 1/8Write the exponential form of the equation and solve the equation for x.
1. 7 answers
2. 542 views
Let x = log_2 1/8Write the exponential form of the equation and solve the equation for x. Does this work? Thanks! Exponential
1. 11 answers
2. 555 views
What are the most pressing challenges facing U.S. copyright enforcement interests today in the context of the proliferation of
1. 1 answer
2. 483 views
Karl's monthly expenses are $3,000. Of this 1/4 is for the mortgage payment, 1/8 is for credit cards, 2/5 if for the car
1. 2 answers
2. 955 views
If a car is driven 372 miles in 6.5 hours, then what is the average number of miles per hour?
1. 1 answer
2. 368 views
What are some ways that language can be used to perform the act of giving someone a warning?
1. 5 answers
2. 364 views
Provide 2 examples of passive aggressive societal groups and behaviors.I thought the KKK would be one good example, any other
1. 7 answers
2. 641 views
How do you figure out the place value of the stem and leaf of a stem-and-leaf plot???????????????
1. 3 answers
2. 275 views
how does air pressure affects the outer space
1. 1 answer
2. 333 views
Which of the following are NOT used to classify kingdoms of organisms?a. complexity of the organism b. invertebrate or
1. 2 answers
2. 548 views
A group of specialized cells that transport fluids and nutrients is calleda. a multicellular autotroph b. a methanogen c. an
1. 2 answers
2. 1,172 views
Using the Octagonal formula how do you get the 6th octagonal number 96?
1. 1 answer
2. 884 views
Express the quantified statement in an equivalent way.Some students are bored. Would it be Not all students are bored?
1. 3 answers
2. 889 views
List three things that a Web designer must consider and understand about the purpose or target audience prior to site
1. 1 answer
2. 478 views
how did europe's geography affect its development?
1. 7 answers
2. 1,071 views
Help!1. Describe the social strusture of feudal society. 2. what were the similarities and differences between feudalism in
1. 7 answers
2. 718 views
1. describe the achievements of the Maya, Inca, and Aztec.2. what were the major similarities and differences between the Maya,
1. 5 answers
2. 1,287 views
1. Describe social, political and economic aspects of spanish rule in the Americas.2. How did the first Global Age affect
1. 2 answers
2. 648 views
Describe social, political and economic aspects of spanish rule in the Americas.I cant find this answer anywhere help please!!
1. 7 answers
2. 511 views
In this balanced equation 4Al + 3O2 = 2Al2O3. When 0.54 mole aluminum is reacted in a closed container with 7.80 g oxygen, how
1. 2 answers
2. 1,018 views
4Al + 3O2 = 2Al2O3. If 41.5 g aluminum and 69.0 g oxygen undergo a reaction that has a 67.0% yield, What mass of aluminum oxide
1. 2 answers
2. 619 views
A runner runs around a circular track with a radius of 50m.if he runs half way round the track from a to b.am i correct if i say
1. 4 answers
2. 1,724 views
What is the frequency of light having a wavelength of 5.6 micrometers?
1. 2 answers
2. 502 views
Consider a hydrogen atom that goes from the n = 2 to the n = 1 state. (a) Calculate the wavelength, in nm, of the photon
1. 1 answer
2. 447 views
Evaluate the function y=2.55^(x+1) at the value x=1.83
1. 2 answers
2. 1,007 views
Five years ago, you bought a house for $151,000, with a down payment of $30, 000, which meant you took out a loan for $121,000.
1. 3 answers
2. 601 views
I need to write my own classification and divisionEssay of 200 words about the versions of English spoken using mother tongue as
1. 2 answers
2. 1,156 views
I need to write my own classification and divisionEssay of 200 words about the versions of English spoken using mother tongue as
1. 3 answers
2. 1,061 views
The engine of a car is being lifted out of the car by using a pulley system. The weight of the engine is 8000N. Use a scale
1. 1 answer
2. 462 views
Radioactive radium () has a half-life of 1599 years. What percent of a given amount will remain after years?
1. 4 answers
2. 1,250 views
Throughout this film, characters appear, or things happen, that are reminiscent of people or events in classical mythology. What
1. 4 answers
2. 472 views
What happens when TCDD binds to the AhR receptor? How does it cause diseases/health problems in people?
1. 1 answer
2. 424 views
What happens when TCDD binds to the AhR receptor? How does it cause diseases/health problems in people?
1. 1 answer
2. 315 views
what does LD50 stand for in science terms?
1. 1 answer
2. 349 views
What happens when TCDD binds to the AhR receptor? How does it cause diseases/health problems in people?
1. 1 answer
2. 346 views
How does TCDD act as an endocrine disruptor?
1. 2 answers
2. 503 views
what is the electron configuration of vanadium?
1. 2 answers
2. 824 views
A standard deck of cards contains 52 cards. Of these, 12 are face cards (kings, queens, and jacks), 13 are hearts, 13 are clubs,
1. 1 answer
2. 485 views
What, according to the BCEA with regard to the contraventions in work place?
1. 1 answer
2. 284 views
To help pay for a class trip at the end of the senior year, the junior class at a high school invests $1800 from a fund-raiser
1. 4 answers
2. 2,550 views
Please help me find the value of the annuity for the following:a1= $8000, I=0.06, n=10 $8,000 invested for 10 years at 8%
1. 3 answers
2. 527 views
Write an equation which models how old in years each of you will be when you are three times as old as the younger person use
1. 1 answer
2. 457 views
5hexponent2/5 =3645/5 find the value of h
1. 1 answer
2. 290 views
Derivative of the implicit Function:arctan(x^5y)=xy^5 Here is where I am at. I am pretty frustrated: arctan(x^5y)-xy^5=0
1. 2 answers
2. 989 views
Identify 3 tools from the CMS website that are helpful to achieving the goals set forth by an organization?
1. 3 answers
2. 444 views
On Monday, Carlos ran 1/8 of a mile. On Wednesday, he ran 5/6 of a mile. Carlos ran 3/8 of a mile on Friday. Which day did
1. 2 answers
2. 892 views
I know that a rectangular room measures 2300 sq. ft, how long and how wide would the rectangle be?
1. 1 answer
2. 430 views
A ship leaves POrt P and sails 28km away on bearing of 70 degrees to POrt Q. The ship then turns on a bearing of 160 degrees and
1. 3 answers
2. 1,041 views
Complete an independent project, collect data from your observation experiment and perform a one-way, between-subjects ANOVA on
1. 2 answers
2. 527 views
What changes did the Census Bureau make to the conceptualization and operationalization of race in the 2000 census?
1. 2 answers
2. 713 views
ABC is an isosceles triangle in which the equal sides are AB and A.If AD is an altitude and |BC|=1/2|AB|.Prove that
1. 3 answers
2. 703 views
what is the basic logic of probability sampling? How does such concepts as homogeneity, heterogeneity, sampling bias,
1. 3 answers
2. 888 views
There are 20 bottles in a box. Each bottle weighs 1 3/4 pounds. How many pounds do all the bottles weigh together?
1. 6 answers
2. 1,320 views
Peter spends 1/4 of his salary on food, 1/3 on clothing and 1/5 on school fees. He saved the rest. What fraction if his salary
1. 4 answers
2. 723 views
Lucas will be twice his brothers age in the next four years. If lucas's brother is now 6 years old, how old is lucas?
1. 4 answers
2. 888 views
A machine has a velocity ratio of 5.it requires a 50kg weight to overcome a 200kg weight. Calculate the efficiency of the
1. 4 answers
2. 840 views
Find the number of ways,the digits 0,1,2,3 can be permuted to give rise to a number greater than 2000.
1. 3 answers
2. 504 views
State the effects of over-secretion and under-secretion of somatotrophin,thyroxine,insulin,ADH,oestrogen,testrosterone.
1. 1 answer
2. 400 views
What are the expression describing all the angle that are coterminal with 72 degree?
1. 2 answers
2. 859 views
Write an expression describing all the angles that are coterminal with 72° . (Please use the variable "k" in your answer)
1. 4 answers
2. 4,283 views
Assuming that you have decorated the room in this figure. Your clients required that the room be both a night room and a
1. 1 answer
2. 230 views
What is the area of a path given that a flower bed measures 3m by 15m sorrounding by a path 1m wide.
1. 1 answer
2. 207 views
As a senior Prefect of your school, you have been invited to tell the Parents Associated what your school need most.write your
1. 3 answers
2. 325 views
Explain why the meniscus of water is curved downward whilst that of mercury is curved upwards
1. 1 answer
2. 214 views
How can you write these common fractions as a mixed number in words
1. 1 answer
2. 120 views

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