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Posts by lena

Total # Posts: 1,042

english
No, because the verb should be past tense. The sentence is referring to Fredericksburg who is no longer in Comance territory.It is in the past that he is in Comanche territory. The sentence should be: Fredericksburg used to be in Comanche territory.

business
The answers are correct!

Chemistry please help
State Dalton’s Postulates? In light of modern knowledge, what are the inaccuracies in Dalton’s Postulates? I know Dalton's postulates: -All matter consists of tiny, indivisible particles called atoms that cannot be created or destroyed -Atoms of one element ...

Science
Which of the following is a way to improve the efficiency of a heat engine? increase Qh reduce Qh reduce Wnet increase Qc A What are the energies associated with atomic motion called? kinetic energy potential energy bond energy internal energy D A 0.10 kg piece of copper at an...

English
Connections is great it's just stressful

Math
Mathman couldn't resist the grooving tunes inside and paid his $5.00. He was heading straight for the punch bowl when he noticed a witch mixing it together using a solution which was 60% lizard drool and another that was only 25% lizard drool. If she wanted to make 30 ...

Fourth grade math
How do I write an expanded algorithm????

Math
Wednesday

geometry
When you solve the equation above, you'll get a value for the base of the triangle. Simply multiple that value by 3 in order to get the height.

geometry
First let's look at the formula to find the area of a triangle. Area = (base x height)/2 Now, the question tells us that the height is 3x the base. Therefore, it is safe to say that if B is the base then the height must be 3B. We can then re-write the formula: 27 = ( B x ...

algebra
This is what I think you would have to do: 1) Find 6% of $350,000: (0.06 x 350000) 2) Add the # you find in 1) to the base salary to get the total pay for the year

Spinal Cord Injury @ T5
Could I ask you a question. If T5 is completely injured, does that mean that all the levels below do not work as well?

Spinal Cord Injury @ T5
I've been trying to find out what would happen to a person with complete spinal injury @ the level of T5. Is there a chart or something I could look at that would explain what would occur at each level of the spinal cord? I keep googling stuff and it keeps telling me this ...

MATH HELP PLEASE
Well this is my thinking. The factors of 33 are as follows: 1 x 33 3 x 11 Therefore, you wouldn't be able to fill all 4 kennels if you used all the dogs. The only thing that makes sense to me is to not put one of the dogs in the kennel (which gives you 32 dogs): 4 x 8 = 32...

geometry
If F is the midpoint of segment EG then you know that the distance from E to F and the distance from F to G should be equal. Therefore EF = FG. Knowing that you can solve for X by the doing the following: EF = FG 2X + 11 = 53 2X + 11 - 11= 53 - 11 2X = 42 2X/2 = 42/2 X = 21

Physics
For the Law of Sines state the formulas, explain them in your own words, and draw a diagram illustrating one of them.

Pre-Calc
x<log(lower number=6)144 I know you would do log144/log6, but I'm not sure if the sign is switched or not.

Pre-Calc
Find the area of the region between the graph of y=1/x, the x-axis, and the vertical lines x = 1 and x = 4.

Spinal Cord Injury @ T5
I'm not quite understand how spinal cord injuries work. If you have a complete spinal cord injury @ T5, what does that mean in terms of what you can do? There is so much info on the cervical region of the spinal cord but I can't find much on the thoracic especially T5...

Pre Cal/ domain
1. sqrt x^2-5x-14 2. cube root x-6/sqrt x^2-x-30 3. y= ln2x-12

essay writing
Oh, I never thought of that. Thanks a bunch!

essay writing
my prof said that I used next I will discuss way too much so now i'm thinking of other things to say other than discuss but I can't think of anything. this is when im stating my arguments in my introduction. any suggestions?

microeconomics
TRUE OR FALSE: 9. Assume that the Minimum Wage has increased to $14 from $10. If the total labour-income at the wage of $14 is higher than the total labour-income at the wage of $10, it means that the labour-demand with respect to wage is elastic. FALSE. I don't understand...

Economics
My micro econ prof was trying to explain marginal analysis and he said the following: If your marginal happiness is 0 then you are maximally happy. I don't understand this at all. Could someone explain this to me? Thanks!

Microeconomics
Thanks so much, Ms. Sue!

Microeconomics
I'm just confused about this one concept. My lecture notes say the following: Markets for goods + services: - firms sell - households buy Markets for Factors of Production: - Households sell - Firms buy I don't understand the "factors of production". What ...

english
write the possessive nouns that could replace each group of word below

Business - royalty
Thanks a bunch, Ms. Sue.

Business - royalty
I'm watching shark tank and they keep going on about royalty. They'll say something along the lines of: I'll give you 500k for 30% equity and 10% royalty. I don't really understand all this business stuff but what I think is going on it that they're giving ...

Polynomial- Doublecheck2
1) Correct 2) Correct 3) Correct 4) Not to sure how to solve the question 5) Correct 6) Correct 7) Correct 8) Correct 9) Correct 10) Correct 11) Correct 12) Do not understand description of model so I'm glad you're sure of this answer 13) Correct 14) Correct 15) Correct

chemistry
A studen is asket to calculate the amount of heat involved in changing 10.0 g of liquid bomine at room temperature (22.5 C) to vapor at 59.0 C. To do this, one must know specific heat (0.474 J/g*C), boiling point (59 C), and heat of vaporization (29.6 kJ/mol) of bromine.In ...

math
In this scenario you can't reduce the fraction because 199 is a prime #.

math
19.9% - percentages are always out of 100 so this is the same as saying the following: 19.9/100 - however it's not proper form to be using a decimal in a fraction so what you could do it move the decimal over to the right for both the numerator and denominator: 199/1000 - ...

Anatomical Terminology
Ohh ok; thanks a bunch! :D

Anatomical Terminology
So my prof said that the submucosa contained mucous glands proper. So according to the link you sent me I'm going to assume the glands are embedded within the submucosa. I still don't understand 100%. What's the point in even saying proper. Why couldn't he just...

Anatomical Terminology
I often here my prof use the word proper as in "mucous glands proper". What does the word proper mean?

geometry
What do the figures look like? State the shape and the dimensions and I'll try to help.

algebra
Well 3 is a whole number so you know your ones value is 3. Then look the 1/2. 1/2 is = 0.5. So 3 1/2 is 3.5 as a decimal.

reserch
This might be silly but one thing that immediately came to mind was the fact that our eyebrows catch our sweat so that it does not go into our eyes. Maybe eyebrows could be more thicker due to increased sweating in the warmer environment.

general knowledge
Assuming this problem was given to you on the 17th of march 2011, the answer would be TODAY. But if that's not the answer, let me know and I'll keep thinking.

math i need help plz!
I've been working on this for a while but I cant seem to get anywhere with this. I created this equation. 360(x) + 270 (y) = $ 45,990 360 (3x/4) + 270 (x/3) $27, 630 There's a starting point. If I figure out how to solve this I'll post.

algebra 2
Ok so what you would do in this scenario is fill in the sides for a and b. 10^2 + 7^2 = c^2 ( c is the diagonal AKA the hypotenuse) 100 + 49 = c^2 149 = c^2 sq root of 149 = c 12.21 = c (this # is rounded) But that's what your diagonal should be.

algebra 2
You want to use Pythagorean theory here. So a^2 + b^2 = c^2. a and b would be the 2 side length and then solve for c. Do you think you can take it from here? If you tell me what you got as a answer I can figure it out and let you know what I got.

English
The reason I changed teacher to teachers is because I feel a though you're mixing singular with plural because you later on go to say 'they' when you used the singular form of teacher earlier

English
I would write the sentence as the following: Teachers have so many responsibilities and for that reason, it is beneficial for everyone to have as much help as possible.

Primary Auditory Cortex (Psych)
In lecture the prof says A1 and primary visual cortex interchangeably. Are they the two just different ways of referring to the same thing or is A1 a specific regions in the primary auditory cortex?

algebra 2
Refer to the question you posted above this one for how to solve this type of question. Again, if you post what you believe the answer should be, I will try to solve this and I'll let you know what I got.

aims math<<<<need some one to check my answer
37-3[5+4(3-7)] 37-3[5+4(-4)] 37-3[5-16] 37-3[-11] 37+33 70

Math
First you must ask yourself what is mean weight? It is the average weight. So let's take the 2nd graders for example. To find the mean weight, they took the weight of 75 2nd graders, added it all together and divided by 75. To find the total weight of the 2nd graders, you ...

Biology - The Stomach
When referring to the lumen of the stomach is that just the opening. As in where are the HCl is and where your food enters? I googled the definition of lumen and it says inside space. I'm just not too clear on what it really means. Thanks.

Biology- GI Tract
I have a question regarding the gastric wall. Do the epithelial cells of the mucosa secrete substances directly into the lumen or do they secrete into the gastric pits then then from there the substances go into the lumen?

Biology - GI Tract
Thanks Ms. Sue! :D

Biology - GI Tract
I have a question about Vit B12. Where is it absorbed in the body? In lecture, the professor stated once that it's absorbed in the small intestine and then later stated it was the large intestine. I'm thinking small intestine makes more sense but I'd like to make ...

Biology - GI Tract
Thank you!

Biology - GI Tract
In my notes it says that the last 2/3 of the esophagus is controlled by smooth muscle (controlled by ANS and ENS). What is ENS? I'm listening to the lecture the it's something nervous system but I have no idea what the E stands for.

Biology
Thank you very much! I really appreciate it!

Biology
Sorry for reposting but I really need help with this question and I've waited several hours. What is the trigone of the bladder bounded by? a) top of fundus and uretal orifices b) major and minor calyces c) orifices of ejaculatory ducts and urethra d) uretal and internal ...

math
The factors for 7 are 1 and 7 The factors for 23 are 1 and 23

math
The multiples of 7 are not 7 and 1, rather what I meant to say is that 1x7 =7, the multiples of 7 would be 7,14,21 ect. Sorry if that confused you. Same with the number 23.

math
If a number is prime then you know that it's a multiple of itself and the number 1. Example: Multiples for 7 are 7 & 1 Example: Multiples for 23 are 23 and 1 If you wanted to find the the LCM of both it would have to be 23 x 7 Do you understand why? There is no number ...

Biology - The Bladder
What is the trigone of the bladder bounded by? a) top of fundus and uretal orifices b) major and minor calyces c) orifices of ejaculatory ducts and urethra d) uretal and internal urethral orifices

The Nephron
Concentration and volume of urine depend on H2O reabsorption where in the nephron? a) ascending loop of Henle b) descending loop of Henle c) distal convoluted tubule and collecting duct d) proximal convoluted tubule >>> I think the answer is C but I'm not entirely...

Mensturation
Thank you very much!

Mensturation
I have a question. In my anatomy textbook it says that during menstrual cycle, the epithelial cells of the endometrium are shed. Are germinal epithelial cells the same thing?

math
I used to post questions like this on this homework help forum and I would always get a response that would tell me that this is a homework help forum and not a place for someone to do your homework for you. I think if you showed some of your thinking then some of the tutors ...

math
Do you recall BEDMAS? That's the order in which you solve. Brackets first then exponents. In your case there are no brackets nor are there any exponents. So go into multiplication and division and then addition and subtraction.

trig
In order to find the length of [AM], you want to look at only half of this triangle. Half of an isosceles triangle is a right angle triangle! Therefore you can use Pythagorean theory: a^2 + b^2 = c^2 (hypotenuse) Do you think you can solve this from here?

sodium tetraborate
How is the mass of sodium tetraborate related to the amount of stretch in slime? I was doing some googling and I came across something that had to do with cross-linking but I didn't really understand it. Could someone explain why the slime gets more or less stretchy?

geometry
Is this shape supposed to be a triangle? And if so, how is B the midpoint if it is a corner of the triangle? I'm a little confused. If you clarify this, maybe I would help you solve your question.

Bio - Reproductive Organs
For the first statement, I'm pretty sure there's cilia which move the occyte through the tube as opposed to peristalsis, but correct me if I'm wrong.

Bio - Reproductive Organs
Is this true? The oocyte is moved through the fallopian tubes by peristaltic contractions of the muscular layer >>> I feel as though this may be correct but I'm not too sure AND The outer layer of the fallopian tube is formed by the ampulla >>> I feel ...

math
What are you trying to figure out here? (x,y) ?

math
No problem :)

math
Ok so for this you would want the person to add the number '2.5', 5 times. So could you say something like: Kate went to the grocery store and wanted to buy 5 apples. One apple costs $2.50. How much would Kate's total come to?

math
Hi Irma. Could you explain to me what the repeated addition model is? I think if I understood what the model actually is that I could help you with this problem.

math
If you're referring to an x-y table then would you not just sub in a value for x and find the consequent value for y? For example: Lets sub in 0 for x y= 1/2 (0-8) y = 1/2 (-8) y = -4 Lets sub in 1 for x y= 1/2 (1-8) y = 1/2 (-7) y = -3.5 I believe this is what you're ...

math
Or you could say 3/2 is 3 times greater than 1/2. You're comparing the two fractions with the number '3'. Maybe if you clarify your question I could be more helpful.

math
I don't know what you're asking here but maybe this is referring to ratios. For example: 1/2 and 3/2 have a ratio of 1:3

MATH
the hundreadth value in this case would be zero

MATH
Sorry, correction: (14+23)/2

MATH
Rounding to the nearest hundreadth means to 2 decimal places just in case you were unaware

MATH
To find the median, you want to arrange the #s from least to greatest and remove a number from each side. If you do so, you'll find that you have the numbers 14 and 23 left in the middle. You then want to find the average of the two. Therefore you would do the following: (...

algebra
I just realized the long division is completely unnecessary. You could just simply factor the x out. -_- x^3=5x^2+4x = x(x^2-5x+4) = x(x-1)(x-4) Hope this makes more sense. Ignore what I did above. It's completely wrong.

algebra
I think I may have done an error here. The expanded form the factored equation does not equal the equation above. Hmmm...I'm going to recheck and get back to you if I figure it out.

algebra
For this equation you should find that (x+1) is a factor. If you sub 1 in for the x-values you should get a result of zero. So next you do the following: (x+1) divided by (x^3-5x^2+4x) - First you divide the (x^3) by (x+1) and you find that in order to get x^3 you must ...

Hypoventilation VS Bradyapnea
Thank you so much!

Hypoventilation VS Bradyapnea
Hypoventilation VS Bradyapnea What's the difference b/t the two? Aren't they both decreased breathing rate?

math
TV sets are measured according to their diagonal distance from one corner to the opposite. Therefore, I feel as though for this question it's simply asking you to find the distance from the one corner to the opposite. To do this you want to view this as a triangle rather ...

math
This question does not make much sense to me. Do you think you could rephrase this and post again. I'll try to help. As of now you said there is a triangle with a square attached (singular) yet you're giving me the areas of 2 different squares. I'm a tad bit confused.

math
Future Population = Current Population x 1.5^(hours) I think this would be the exponential equation. So if you sub in 4 for hours you should get the correct answer.

Math
We want to view this as a triangle: ......x <--- lets say this is the kite angle to kite = 52 degrees ............. ground So you know the hypotenuse of this triangle is 100 ft. We want to find out the height. I don't know if you've been taught these acronyms: SOH ...

Nutrition (Blood Tests)
If there was an eight year old boy who wasn't get enough to eat and was not eating nutritious foods, what kinds of things would be wrong with him? What things would be wrong in his blood tests? This is what I'm thinking: - prolonged hunger - depression: reduced levels ...

Reproductive Cycle
What stimulating factor(s) and receptor(s) could be inhibited that would decrease the release of estrogen? I talked about how you could inhibit GnRH, LH and FSH. But I can't think of any receptors or any other stimulating factors. Any suggestions?

acid-base question
This is what I'm currently thinking. When you have a heart attack you have a decreased amount of oxygen going to the heart. Therefore anaerobic cellular respiration takes place and as a result you get lactic acid. When the glycogen stores are depleted, you get the ...

acid-base question
This man had a myocardial infarct a couple days ago and his lab report from an arterial blood sample reveals this (normal values in brackets): pH 7.30 (7.35-7.45) HCO3- = 20 mEq/liter (22-26) PCO2 = 32 mmHg (40 mmHg) What's his acid-base status and what compensation is ...

Maths
How to find a range (not domain) of function f(x)=square root of x^2-1/square root of 9-x^2

Loop of Henle
What would happen to the concentration gradient in the tissues in the thick ascending limb loop of Henle if you used loop diuretics for too long? I know that if you use them K+ isnt being recycles and therefore theres no electropositive gradient being created and therefore no ...

DNA + Genetics
During the menstrual cycle, the ovarian steroid hormones estrogen and progesterone control a dramatic transcriptional reprogramming of endometrial stromal cells (ESCs) leading to a receptive state for blastocyst implantation and the establishment of pregnancy. A key marker ...

Evolutionary Science
I'm reading this article and I'm having difficulty understanding some of the terminology. It says the following: "We show that endometrial PRL expression is a derived feature of placental mammals and that the episode of positive selection in HoxA-11 occurred ...

Evolutionary Science (stem-lineage?)
Thank you so much! I really appreciate it!

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