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September 19, 2014

Posts by ashley


Total # Posts: 2,735

math
List the terms, coefficients, and degree of the following polynomial: 7x^4 – 3x^2 + 5x + 2/3 Can someone help me with this please. Thank You! :)
July 15, 2011

biology
Mitochondria vs Chloroplast The major difference between mitochondria and chloroplast is that the latter contains thylakoid membranes and pigment molecules, whereas the mitochondria membranes contain respiratory enzymes not found in chloroplast membranes. Chloroplasts ...
July 15, 2011

Confidentiality of Health Information
your medical records are private. but it depends on the 3rd parties requestiing the info for it to be made available to them. next time you visit the hospital save the medical records privacy act. almost any medical facility you go now will provide the info to you. someone ...
July 14, 2011

Algebra
Construct a truth table for (p ^ ~q) <-->q ^ is meant to be a conjunction symbol
July 14, 2011

Algebra
Construct a truth table for ~q v ~p. I am really lost here.
July 14, 2011

Algebra
Translate the following statement into English (~r v q)-> ~p The v in the center is for "disjunction" and "or" and that is an arrow meaning "if-then" after the parentheses. p=Jamie is on the train q=Sylvia is at the park r=Nigel is in the car
July 14, 2011

Math
Can someone help me with this one problem Please! :) Add: (-1/3x^2-1/4x+3/4)+(1/2x^2-1/4x-1/2)
July 12, 2011

math
List the coefficients of the given polynomial: -x3 – 4x2 + 3x – 6 My answer was going to be: -1, -4, 3, -6
July 12, 2011

Math
I completely agree with you. I am a visual learner and this book is so hard for me to understand it isn't even funny. I am so stressed out and i thank you for your help really.
July 10, 2011

Math
Simplify the following expression, and rewrite it in an equivalent form with positive exponents. 24x^3y^-3/72x^-5y^-1 My answer was going to be: 24/72*x^3/x^-5=y^=3/y^-1
July 10, 2011

Math
Thanks for your help. I wasn't even using the ^2 outside the parenthesis. Thank YOu! Ashley
July 10, 2011

Math
Raise the quantity in parentheses to the indicated exponent, and simplify the resulting expression. Express answers with positive exponents (-33xy^-1/66x^0y^-3)^2 This is the answer i am getting from TRYING to follow my online book. Please Help Me. Thank You! -33/66*x^-3/y^-1y...
July 10, 2011

Math
Simplify the following expression squareroot -14 squareroot -56 (My answer is going to be 7)
July 10, 2011

Math ( Algebra)
Short Answer: Raise the quantity in parentheses to the indicated exponent, and simplify the resulting expression. Express answers with positive exponents (-33xy^-1/66x^0y^-3)^2
July 10, 2011

Math
A sales representative must visit five cities. There are direct air connections between each of the cities. Use the multiplication rule of counting to determine the number of different choices the sales representative has for the order in which to visit the cities. ____choices
July 7, 2011

Algebra 1
I have a problem that says: Combine these two statements into a single mathematical statement: x>2 and x<7. I'm not sure if I'm supposed to do this by graphing a number line or not, is there a way to do it without a number line?
July 4, 2011

chemistry
How many grams of Na2CO3 are required to completely react with 35.6mL of a 0.315M HCl solution? Na2O3(s) + 2HCl(aq) --> 2NaCl(aq( + CO2(g) + H2O(I)
July 2, 2011

chemistry
How many grams of Na2CO3 are required to completely react with 35.6mL of a 0.315M HCl solution? Na2O3(s) + 2HCl(aq) --> 2NaCl(aq( + CO2(g) + H2O(I)
July 2, 2011

HS Science
I have 4 questions 1 What is the equation for the acid ionization constant of HI? 2 Give the oxidation numbers of all atoms in NaMnO4 3 An atom changes its oxidation number from -2 to -5. Is it oxidized or reduced? How many electrons did it take to do this? 4 An atom changes ...
June 30, 2011

biochemistry
Why do you think the proximal and distal histidines are invariant between myoglobin, the alpha subunit and the beta subunit?
June 30, 2011

statistics
Thank you sooo much!! Also thanks for posting steps and not just an answer.
June 30, 2011

statistics
The proportion of baby boys born in the United States has historically been 0.512. You choose an SRS of 55 newborn babies and find that 47% are boys. Do ALL calculations to 5 decimal places before rounding. (d) In a random sample of 55 newborn babies, what is the probability ...
June 30, 2011

calculus
I see that someone else on here had the same problem, I wanted to find the solutions for 5xe^x+1 but its not really an equation.
June 28, 2011

calculus
If |2x - 1 | > 3 , then which of the following could not be a value of x?
June 27, 2011

Physics
A 36 kg box hangs from a rope. What is the tension in the rope if the following are true? (a) The box moves up a steady 5.0 m/s? (b) The box has vy = 5.0 m/s and is slowing down up at 5.0 m/s2?
June 21, 2011

Chemistry
Calculate the amount of energy required for the formation of one mole of MgSe bonds (not lattice energy). The radius of the magnesium ion is 0.65 A, and the radius of the selenide ion is 1.98 A. Note that 1 A=10^-10m.
June 17, 2011

Chemistry
Calculate the amount of energy required for the formation of one mole of MgSe bonds (not lattice energy). The radius of the magnesium ion is 0.65 A, and the radius of the selenide ion is 1.98 A. Note that 1 A=10^-10m.
June 17, 2011

Math
A ball is thrown with an initial velocity of 10 m/s from a height of 2 meters. At what time does the ball hit the ground?
June 17, 2011

physics
A car goes at a constant velocity of 15 m/sec for 4 seconds. How far does the car go in that time?
June 16, 2011

Claflin
A reflecting, spherical Christmas tree ornament has a diameter of 8.0 cm. A child looks at the ornament from a distance of 20 cm. Describe the image she sees. image location in centimeters.
June 13, 2011

physics
This refers to the shuttle orbir question: my response to answers posted: So would I take the answer from the formula for a circumference of a circle(24900.26337) and divide it by 17,265 to get 1.442239408(~1.44h)? How I got the circumference: 2 x pi x 3963=24900.26337
June 12, 2011

physics
I also tried 180mi/51.3(t)=3.50877193h. Then i took 80mi/that answer to get 22.8mph. Is that the right approach?
June 11, 2011

physics
Would the time southbound be if I were to half 5.46? Or, I looked it up that it would take about 1 h 30 min from austin to san antonio. I ended up taking 80mi/1.5h=53mph. If thats not a good way to go about it, how do I figure out the time southbound?
June 11, 2011

physics
A student wanted to drive from Austin to san Antonio ,80 mi south of Austin on highway I35. Unfortunately he entered in the wrong direction and drove to waco-100 miles north of Austin –before he noticed his error. In waco ,he turned around,drove back to Austin and ...
June 11, 2011

physics
I took 1.91m x 100cm and got 191cm and then divided it by .000000047s and got 4,063,829,787 cm/s. Is that just about correct?
June 11, 2011

physics
An electron travels 1.91 m in 4.72x10^-8s. How fast does it travel? Answer in cm/s
June 11, 2011

physics
I tried 1.44 h, but I got the answer wrong. Can you please tell me what I may be doing incorrectly with the significant figures? thanks
June 11, 2011

physics
So would I take the answer from the formula for a circumference of a circle(24900.26337) and divide it by 17,265 to get 1.442239408(~1.44h)? How I got the circumference: 2 x pi x 3963=24900.26337
June 11, 2011

physics
The average speed of an orbiting space shuttle is 20100 mi/h. The shuttle is orbiting about 196 mi above the Earth’s surface. Assume the Earth’s radius is 3963 mi. How long does it take to circle the Earth? Answer in units of h ( hours)
June 11, 2011

physics
Thanks! I have one more question: how did you get the .717m for the man?
June 11, 2011

physics
A man jogs at a spee of 1.1 m/s. His dog waits 1.6s and then takes off running at a speed of 3.8 m/s to catch up with the man. How far will they each have traveled when the dog catches up with the man?Answer in units of m
June 11, 2011

physics
Two ants race across a table 70 cm long. One travels at 5.7 cm/s and the other at 3.99999 cm/s. When the first one crosses the finish line,how far behind is the second one? Answer in units of cm
June 11, 2011

physics
I multiplied 68.1 X 5.099043638x10^14=3.472448717x10^16 to get the ocean area. Then to get the average depth i took 1.21mix1609m=1946.89. Then i multiplied the ocean area and volume i got to equal 6.760475683x10^19. To get the mass, I took that answer and multiplied it to 1000...
June 11, 2011

physics
Assuming that 68.1% of the Earth's surface is covered with water at average depth of 1.21 mi. ,estimate the mass of the water on Earth. One mile is 1.609 km and the radius of the earth is 6.37 x 10^6 m. Answer in units of kg
June 11, 2011

Chemistry
How many grams of Mg are needed to react completely with 3.80 L of a 2.50 M HF solution? Mg + 2HF MgF2 + H2
June 9, 2011

Elementary Statistics
42/(39+42)= 51.85%
June 8, 2011

Advanced Calculus 2
Construct an example of two Riemann integrable functions whose composition is not Riemann integrable.
June 8, 2011

Science
Sorry! I meant what different types if energy!
June 5, 2011

Science
What are the different types of motion? I always get those mixed up and my older sister says that we will be studying that next year. Thanks for the help!
June 5, 2011

Health
thank u for answering, but can u please answer my two questions that I had asked?
June 4, 2011

Health
wht about crack cocaine and u never said that cocaine could be injected on the other post
June 4, 2011

Health
I did, so none of them can be injected or wht?
June 4, 2011

Health
Is Cocaine swallowed, smoked, snorted, or injected? Is Crack Cocaine swallowed, smoked, or injected?
June 4, 2011

Health
ik i did but idk
June 4, 2011

Health
which one is a picture of a person smoking Cocaine not Crack Cocaine
June 4, 2011

Health
Ms. Sue I need help finding a Picture of someone smoking Cocaine can u find a picture for me please?
June 4, 2011

Health
ok, so is cocaine swallowed, smoked, snorted, injected or what? AND THEN IS Crack Cocaine swallowed, smoked, snorted, injected or wht?
June 4, 2011

Health
I can't find the answer to my two questions.. What are the answers, Ms. Sue?
June 4, 2011

Health
Is Cocaine swallowed, smoked, snorted, injected? Is Crack Cocaine swallowed, smoked, snorted, injected?
June 4, 2011

math
A cat owner wants to put equal amounts of food into dishes. If she has 3as a hole number. 2 over 3 as a fraction unces of cat food how many ounces will each food dish get
June 1, 2011

american history
encomienda
May 31, 2011

Math
Find m<2 m<2 is 9x - 32
May 30, 2011

Juwayria Highscholl
An obsever is looking out to sea from the top of a building that is 30 m above sea leavel. He observera ship at an angle of depression of 10. How far is the ship from the foot of the bulding?
May 28, 2011

Accounting 100
Who can be harmed when a company changes its accounting methods too often?
May 26, 2011

Pre algebra
At the wintergrove amusement park you can purchase a season discount pass for 75$ that will allow a 10$ admission to the park all season. If you do not purchase a season discount pass, then the park admission is 35$. Determine the number of times you must visit the park with a...
May 25, 2011

Pre algebra
The width of a triangle is x-3 and the length is 2x-1. Write and solve an equation to find the perimeter and area of the rectangle if the measures of its length and width are in a 1:3 proportion
May 25, 2011

Pre algebra
Simplify 10w+6+3w
May 25, 2011

Pre algebra
Simplify (3c•7)•2
May 25, 2011

Pre algebra
simplify (0+9k)+k
May 25, 2011

Pre algebra
6k+10-4k-2k
May 25, 2011

Pre-algebra
9n+5-9-9n
May 25, 2011

Pre-algebra
Simplify the expression (8•5)•1
May 25, 2011

Pre-algebra
Simplify the expression 12q•0•q
May 25, 2011

Geometry - plz help
h=x b1=21cm b2=20cm area=225.5cm2 h=2(225.2)/(21cm+20cm)
May 25, 2011

Pre algebra
Kayla has a 41% grade average. On an exam that is worth 20% of her grade she gets a 100%. What is her grade now?
May 25, 2011

Math
Kayla has a 41% grade average. Then sha takes an exam that is for 20% of her grade and gets an 100%. What is her grade now?
May 25, 2011

US history
What actions did William Carney take that he became the first black recipient of the congressional medal of honor?
May 24, 2011

Grammar
Hailey hurt her leg... Bad or badly
May 24, 2011

Grammar
What is the difference between accept and except?
May 24, 2011

U.S. History
During the civil war, name three reasons each why the north's money value went down and why the south's money went even more down than the north
May 24, 2011

Science
The part of a cell that protects it from its environment is the...?
May 24, 2011

U.S. History
This isnt homework but I found out that I am related to kit Carson (great great great great great great uncle) I wanted to know more about him. Any information? Thanks a lot!
May 24, 2011

8th grade science
What is the reprodution in bacteria, prokaryotic cells, called? A. Mitosis, B. Binary fission, C. Interphase, or D. Fusion. Thank you for helping! I need this because it's for my 9 weeks exam study guide which counts for a whole lot of my grade. Thanks!
May 24, 2011

Math(scientific notation)
1)9.32E-7 + 1.32E+4 = 2)1.32E+4 + 1.04E+5/6.47E+4= 3) 9.93E+6/(9.32E-7)(1.32E+4)= I keep getting a different answer from the answer my teacher provided.
May 24, 2011

Human growth and development
Order from least effective to most effective against pregnancy. Condoms, abstinence, sponges, birth control.
May 23, 2011

Pre-algebra HELP ME PLEASE
A triangle has side lengths of (x+4), (4x-8), and (2x+8) units. If the perimeter of the triangle is at least 88units, what is the minimum length of each side of the triangle?
May 23, 2011

math
8 divided by 4=2 2•5=10 hope this helped!
May 23, 2011

Pre-algebra (DESPRATE NEED OF HELP!)
A triangle has side lengths of (x+4), (4x-8), and (2x+8) units. If the perimeter of the triangle is at least 88 units, what is the minimum length of each side of the triangle?
May 23, 2011

Biology(HELP ME!!!)
An average person blinks their eyes about 20 times per minute. Estimate the number of times a person will blink in 1 year.
May 23, 2011

Pre-algebra
7(3g-9)>6(5g-6)
May 23, 2011

Pre-algebra
8(2j-6)>2(4j-4)
May 23, 2011

Pre-algebra
3(4b+8)<132
May 23, 2011

Pre-algebra
-5(c+15)<75
May 23, 2011

Pre-algebra
-12(g+8)>24
May 23, 2011

Pre-algebra
6(p-8)>78
May 23, 2011

Pre-algebra
8(m+5)>-32
May 23, 2011

Pre-algebra
-9(f-6)<117
May 23, 2011

physical science
False, not ALL units of energy are vectors. Most of them are though
May 23, 2011

physical science
True
May 23, 2011

calculus
Find the volume of the solid generated by revolving the region about the given line. The region is in the first quadrant bounded above by the line y= sqrt 2, below by the curve y=secxtanx, and on the left by the y-axis. Rotate the region about the line y=sqrt 2. i also need to...
May 23, 2011

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