Saturday
March 28, 2015

Posts by student


Total # Posts: 626

civics
Are you 100% sure?
March 25, 2015

civics
Which of the following forces us to make choices? a) scarcity b) trade offs c) opportunity cost d) money
March 25, 2015

Art
An artist is asked to create a painting of a politician, Illustrating qualities of power and benevolence. Which visual composition best suits these goals. A. the politician bending down from the stage to shake the hands of his supporters. B. the politician on a platform high ...
March 18, 2015

Art
Thanks for helping!
March 18, 2015

Art
Which two cultures use creatures to protect or transport humans after death? A. America (bald eagle) and Spain (Bull) B. Egypt (the animal-headed sons of Horus) and China (the dragon) C. Egypt (the jackal) and China (the lion) D. Mayans (the crow) and Greeks (the raven) I ...
March 18, 2015

Art
Thank You Ms. Sue!
March 18, 2015

Art
Then is the answer D? Ms. Sue
March 18, 2015

Art
Chinese artists often express their philosophies using calligraphy. Which is the best definition of philosophy? A. a complex idea B. a religion C. a way of practicing creativity D. a system of guiding principles I think its C. Please answer as soon as possible.
March 18, 2015

Math
the eighth grade students are selling magazine subscriptions to raise money for a class trip. they earn $3 for every subscription they sell. so far, they have earned $228 of the $396 needed. how many more subscriptions must the students sell to meet their goal?
March 16, 2015

chemistry
what are the islamic values in the experiment composition of potassium chlorate?I have to do lab report about the topic and the due date is around the corner.please help me..
March 14, 2015

Corporate Finance
Suppose you have been hired as a financial consultant to Defense Electronics, Inc. (DEI), a large, publicly traded firm that is the market share leader in radar detection systems (RDSs). The company is looking at setting up a manufacturing plant overseas to produce a new line ...
March 14, 2015

Math
Four of the angles of a hexagon measure 53°, 126°, 89°, and 117°. What is the sum of the measures of the other two angles?
March 11, 2015

SAT Math
This still isn't clear to me because 0 is a positive integer so I could put x=2 and y=0 and get 3x + 4y= 6. The answer is 10 and the answer choices are: A-6 B-8 C-9 D-10 E-12
March 7, 2015

SAT Math
If x and y are positive integers, which of the following could be equal to 3x+ 4y? The answer is 10, but not sure on how to get the answer? Also, is there a short cut to get to the answer without taking a lot of time on the SAT to work this type of problem out? Thank you
March 7, 2015

SAT Math
9, 13, 17, 21, ... In the sequence above, each term after the first is 4 greater than the previous term. What is the difference between the 105th term and the 99th term? I have no idea how to solve this problem
March 6, 2015

Social Studies
in order for a bill to become a law, is a unanimous decision required
March 4, 2015

Math
She has a special recipe for cranberry relish. She grinds 2 cups of cranberries and 3 cups of orange rind. If there are about 75 cranberries in one cup, how many cranberries go into her grinder?
March 2, 2015

Math
There were 25 turkey balloons, 12 pilgrim balloons, and 30 native american balloons. Seventeen of the turkey balloons popped. How many balloons were left?
March 2, 2015

Math
Jay's favorite football game was over on Thanksgiving Day at 11:45 a.m. The Thanksgiving dinner was served at 2:15 p.m. How long after the game did Jay have to wait for dinner?
March 2, 2015

SOCIAL STUDIES
What is Maya Angelou's most important event in her life?
February 26, 2015

Chemistry
Write the rate law for the reaction, expressing k(overall) in terms of k1, k2, and k3. Step 1: UV light + Cl2(g) ⇄ 2Cl(g) Fast, Endothermic Step 2: Cl(g) + O3(g) -> OCl(g) + O2(g) Slow, Endothermic Step 3: OCl(g) + NO(g) -> NO2(g) + Cl(g) Fast, Exothermic
February 23, 2015

Chemistry
Oh I see, so it's 12. Thank you!!
February 19, 2015

Chemistry
A reaction in which X and Y form products was found to be second order in X and first order in Y. By what factor will the rate of the reaction change if [X] is doubled and [Y] is tripled? a. 10 b. 12 c. 20 d. 2
February 19, 2015

Chemistry
Oh, I understand now!! Thank you so much :)
February 16, 2015

Chemistry
Why is the slowest elementary step "the rate determining step"?
February 16, 2015

Math
Daniel has 21 coins. All of them are either quarters or dimes. Altogether, he has $3.45. How many of each type of coin does he have?
February 15, 2015

Science
describe how mutation might might have influenced the development of different species of finches that darwin observed on the galapagos islands
February 12, 2015

Science
Thanks, dude! (:
February 11, 2015

Science
Describe how evolution and extinction are related.
February 11, 2015

Science
What are some effects of predation?
February 8, 2015

Math
Jenny was planting flowers for her garden. She had to plant 4 rose flowers for every jasmine flower she planted. If she plants 100 flowers in all, how many will be jasmine flowers?
February 8, 2015

Math
There are 750 students in a school. If the number of girls is 120 more than the boys, how many boys are there in the school?
February 8, 2015

9th Grade Algebra
If a is not equal to 0, and a =2b=3c, what is the value of a+b in terms of c? Would I make up numbers for the variables?
February 7, 2015

Science
Does air pressure affect species survival?
February 5, 2015

History
which of the following best describes daily life in the south during the civil war? a.about the same as before the war because factories provided necessities b.difficult but tolerable because most people did not experience major changes c.better because the North tried ...
February 4, 2015

Science
long wings are dominant to short wings in fruit flies. make a punnett square to show the predicted outcome of a cross between two parents that have both alleles for wing length. what is the ratio of flies produced?
February 3, 2015

Math
Thank you! So far, i have 12x-6y=21 3x+6y=9 -------- 15x 30 ---=-- 15 15 Y = 2 Is this correct?
February 3, 2015

Math
4x-2y=7  3x+6y=9 Please help me solve this system by multiplying
February 3, 2015

Math
Solving systems by Multiplying. 4x-2y=7 3x+6y=9
February 3, 2015

Genetics
One fruit fly is heterozygous for long wings, and another fruit fly is homozygous for short wings. Long wings are dominant to short wings. Using a punnett square, find out what percent of the offspring are expected to have short wings.
February 1, 2015

Science
Hello please help me with another question! - One fruit fly is heterozygous for long wings, and another fruit fly is homozygous for short wings. Long wings are dominant to short wings. Using a punnett square, find out what percent of the offspring are expected to have short ...
February 1, 2015

Science
Thank you so much!
February 1, 2015

Science
suppose a male mouse is Bb and a female is bb. What percent of the mice offspring from these two mice would you expect to have black fur?
February 1, 2015

Math
X-Y=5 X-Y=11
January 28, 2015

Science
How could genetic engineering of plants be useful to people? Give examples
January 19, 2015

Science
DNA can perhaps best be compared to a(n) A. secret code or B. electrical circuit
January 19, 2015

Science HELP!!!
What happens after genes are injected into an organism?
January 15, 2015

Science HELP!!!
What happens after genes are injected into an organism?
January 15, 2015

MATH!
Water flows over a dam at a rate of 500 gallons per minute. Write a function rule relating the amount of water (A) that flows over the dam to the number of minutes (M) that have passed. What are the initial value and rate of change?
January 5, 2015

Math
An orchestra buys music stands for $42 each with $298 in its bank account. Write a function rule that shows how the account balance depends on the number of stands bought. What are the initial value and rate of change of the function?
January 4, 2015

Math
The clock struck midnight as the elves roared with approval for Santa to give his gift to Macy. How many hours would pass by if Santa could give out another gift tomorrow at midnight?
December 21, 2014

math
find the length of the curve y^2=x^3 between x=0 and x=5
December 16, 2014

english
I KNOW what the caged bird feels, alas! When the sun is bright on the upland slopes; When the wind stirs soft through the springing grass, And the river flows like a stream of glass; When the first bird sings and the first bud opes, I know why the caged bird beats his wing ...
November 6, 2014

english
Both texts deal with racial discrimination. How does the structure of poem help convey this meaning in a way that the prose passage does not? A)The poem conveys meaning through imagery; the prose passage does not. B)The poem uses first person point of view; the prose passage ...
November 6, 2014

english
i honestly don't understand the story then the questions makes it harder i wanted help on that
November 6, 2014

english
help please
November 6, 2014

english
A few weeks ago I was in company with my friend Josephine S. Griffing, when the conductor of a streetcar refused to stop his car for me, although (I was) closely following Josephine and holding on to the iron rail. They dragged us a number of yards before she succeeded in ...
November 6, 2014

sixth grade math
A punch recipe says to mix 4 cup pineapple juice,8 cups orange and 12 cups seltzer in order to make 18 servings of punch. A. How many cups of each ingredient do you need to ma ke 108 cups of punch? Help me
November 4, 2014

English
What is a preterite? I am very confused on this. Is a preterite something that describes past events? For example, When I was younger, I liked visiting my grandparents house. If so, what would be the preterite in the sentence? Would it be younger?
September 28, 2014

Math
Find the equation for the exponential function that passes through the pairs of points given. Through (-1,2) and (3,1). I don't know if this is the right way to work this or what the next step is i am just very confused. Please help, thank you! y=Ab^x 2=Ab^1 1=Ab^3 2=(1/b^...
September 12, 2014

math
How long to the nearest year, will it take an investment at a rate of 12.7% to double its value if the interest is compounded every 6 months? I keep getting 568 years, I know this is not right. Could you please show me how to do this, do I take the log of both sides or just ...
September 11, 2014

geometry - need help with this.
If angle <a and <b are complementary but <a is four times as large as <b, find the measurement of a.
September 7, 2014

Math
I have no Idea how to set this up to work. Please help! Nutrition one serving of campbell's soup companies campbell's pork and bean contains 5 grams of proton and 21 grams of carbohydrates. a typical slice of lite rye bread contains 4 grams of proton and 12 grams of ...
September 5, 2014

Psychology
I wanted to know if someone could give me an example of hypotheses for a 2 x 2 factorial anova
May 31, 2014

Physics: Earthquakes
I'm studying for an upcoming exam and I came across this problem: 10 seconds separate the P- and S-wave arrival times of an earthquake which shakes you 1m. How far away is the earthquake epicenter and what is the magnitude? I'm stuck and would really appreciate the ...
April 28, 2014

Statistics
You take a trip by air that involves three independent flights. If there is an 67% chance each specific leg of the trip is on time, what is the probability all three flights arrive on time? (Round your answer to 3 decimal places.) Probability =??
April 4, 2014

Business statistics
You take a trip by air that involves three independent flights. If there is an 67% chance each specific leg of the trip is on time, what is the probability all three flights arrive on time? (Round your answer to 3 decimal places.) Probability=
April 4, 2014

Algebra
It's not fun for me. It's stressful, and it takes a lot of time. Time I could spend on American literature, History, or learning French. Your sugar mama/daddy joke is funny, but I don't see where these equations and expressions will fit into my life. I'm tired ...
March 28, 2014

Algebra
No... I'm confused. Is this going to be useful later in life?
March 28, 2014

Algebra
In the last one, I tried just cancelling out factors and got 2m^2/12m^3? Is that close, or no?
March 28, 2014

Algebra
For the first one, I can kinda see how I could factor v^2 + v - 12.. Would it look something like 2(v -6)? Which is like the numerator on the other side.
March 28, 2014

Algebra
Please help me simplify the expressions and solve the equations? 1. v^2 + v - 12/ v^2 + 6v + 8 divided by 2v - 6/ v +2 2. 2/ b-2 = b/ b^2 - 3b +2 + b/ 2b - 2 3. 1/ x-2 + 2x/ (x-2)(x-8) = x/ 2(x-8) 4. (m^2 + 2m + 1/ m^3 + 3m^2 + 3m +1 (m^2/m - 3m/3) Thanks!
March 28, 2014

Algebra
Please help me solve this problem? 3/x + 6/ x+3 = 8/ x+1 Thank you
March 28, 2014

Algebra
Can you help me work this out with long division? r^2 - 7r + 12/ r+4 divided by r^2 - 7r +12/ r^2 + 6r +8 Thanks.
March 28, 2014

Algebra
Can you please help me with these Algebra word problems? Complete the following word problems. 1. Tell whether the table represents inverse variation. If so, write the inverse variation equation and solve for y when x = 4. Show work that supports your conclusions. Table: ...
March 28, 2014

Business Statistics
What is the median of 29, 49, 27, 64, 79, 59, 29 and 41? 29.0 45.0 59.5 49.0
March 27, 2014

Algebra
Simplify the expression, if possible. State the excluded values, if any. 1. 5x - 5/ 10x^2 - 25x + 15 2. w^2 + 6w + 9/ 2w^2 - 18 Thanks so much.
March 21, 2014

Algebra
Okay. Thanks so much. :)
March 20, 2014

Algebra
I'm asked to simplify these expressions by using long division. I've attempted these a few times and I'm very confused. Any help you can provide would be very much appreciated. 1. (72 - 8x^2 + 4x^3 - 36x) / (x - 3) 2. (8b^3 - 6) / (2b - 1) Thank you.
March 20, 2014

Algebra
1. How far is the Willis Tower from Navy Pier, given that each unit is approximately 1/8 mile? Round your answer to the nearest tenth of a mile. The Willis Tower is at the point (-6,-3) and NP is at the point (10,9). I did this calculation: d^2 = (10 - (-6))^2 + (9 - (-3))^2...
March 13, 2014

Algebra
y = 1/2x - 2 Is that right?
March 13, 2014

Algebra
Find the equation in slope-intercept form of the line that is the perpendicular bisector of the segment between (-3,4) and (3,-8) Can you help me figure this out? Thank you!
March 13, 2014

Algebra
This is Algebra. Haha.. You can take algebra between 8th and 11th grade. Something like that.. Not really a grade thing.. Just a subject. Why do you ask?
March 11, 2014

Algebra
# 2: * I need to find the length of a (the short leg), the length of b, and the length of the hypotenuse.
March 11, 2014

Algebra
Hi. 1. I have a right triangle here. I know that I am to use the Pythagorean Theorem: a^2 + b^2 = c^2. In this case, side a is (x + 4) and b is x. The hypotenuse is 4 + (x + 4) So here we have the equation: (x + 4)^2 + x^2 = 4 + (x + 4)^2. I need to find the length of a (the ...
March 11, 2014

Algebra
You say that I can't use a^2 + b^2 = c^2, but that formula is called the Pythagorean theorem. I was instructed to use that formula. Am I misunderstanding what you're saying?
March 11, 2014

Algebra
For #1: When I get √(9y - 196) = -7 can I square each side to get 9y - 196 = 49? Then I can add 196 to both sides. It cancels out on the left side and I have 9y = 245. Then I can divide both sides by 9. I would get y = 27.2. Would that be correct?
March 11, 2014

Algebra
I have a couple questions about # 1. Why can't it be a^2 + B^2 = c^2? I think that's what I'm taught in class. Also, if you square everything, isn't still going to come out the same? If you do something to the entire expression, it doesn't change the value...
March 11, 2014

Algebra
1. √(9y - 196) + √196 = √49 My work: I squared all 3 roots and got 9y - 196 + 196 = 49 The - 196 + 196 cancels out and we are left with 9y = 49. divide 49 by 9. = 49/9. I'm pretty sure this is wrong. Can you show me where I messed up? 2. √x(√9...
March 11, 2014

Algebra
Well, I entered in the calculator √28 + √63 + √175 and got 6.06. I just entered the expression. I didn't take the sq roots first.
March 11, 2014

Algebra
I have a question. #3: On my calculator, √28 + √63 + √175 = 6.06, but 10√7 = 26.5. Shouldn't they = the same number? As for #5.. I'm not really sure, tbh. I tried that problem a while a go and I'm not quite sure where I was going with it.
March 11, 2014

Algebra
Simplify the expressions and solve the equations 1. 2√3 - √12 My answer: 2√3 - 2√3 = 0 2. √(5p + 5)^2 = √(6p + )^2 I got the answer p = 4 3. √(28) + √(63) + √(175) This one seems so simple. I tried multiple times, but I can...
March 11, 2014

Algebra
Okay, I have a graph of a sq root function. I'm told to write the radical function for f(x). Some points on the line are (1,-2) and (5,0). I know you probably can't help me a whole lot, but if you can give me any insight into how to figure this problem out, I'd ...
March 11, 2014

Algebra
Y values: -2, -1, 0, 1. Right? I'm not sure why I had so much trouble with this. I think I was making a minor mistake in my calculations that set everything off. Thanks for your help.
March 11, 2014

Algebra
Okay. Thank you. :)
March 11, 2014

Algebra
Complete the table for each function. 1. f(x) = √x The x values are 0, 1,4 and 9. The corresponding y values that I got are 0, 1, 2 and 3. 2. g(x) = -1/4√ x The x values are 0, 1, 4, and 9. The corresponding y values that I got are 0, -1/4, -1/2 and -3/4 3. h(x...
March 11, 2014

Inverse laplace
Given F(s) = 1/((s-1)^(2)(s+1)) After using partial fractions, I got (1/4)[(2/((s-1)^(2)))+(1/(s+1))-(1/(s-1))] before applying Laplace inverse. Apparently, the answer is (1/4)[2te^(t) + e^(-t) - e^(t)], however I don't know where the t in 2te^(t) came from. Can someone ...
March 6, 2014

Polynomial
Arrange the terms of the polynomial in descending powers of p. 13rp-4r^4p^4-4r^2p^3 Is my answer correct? -4r^4p^4-4r^2p^3-13rp
March 2, 2014

Algebra
That is the wrong answer
March 2, 2014

Algebra
Arrange the terms of the polynomial in ascending powers of b. 25db^5-7dm+3b^10-6db^6 My answer is: Am I correct? 25b^5d-7dm+3b^10-6b^6d=3b^10-6b^6d+25b^5d-7dm
March 2, 2014

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