Thursday
March 23, 2017

# Posts by logan

Total # Posts: 363

Science
Which of the following would have more thermal energy? 200 mL of water at 100 degreesC or 100 mL of water at 100degreesC
March 22, 2017

math
Can an irrational number be a real number? (Yes) Therefore, B is false because being a real number does not imply being a rational number
March 8, 2017

Math
Oh, put the "Can these be checked" in the top of the post next time xD Your answer to question 3 is incorrect.
March 8, 2017

Math
Note that in my response, I made a typo in this line: "So you can look at something like question 1 and see that in all the possible answers, only option C has the same slope as the slope (-1) in y=-x-2. " I meant to write option D
March 8, 2017

Math
Eliminate all the answers that aren't parallel, then eliminate the answers which don't pass through the given point for X,Y So for the graph to be "PARALLEL" it must have the exact same slope. The "slope" is represented by the value in front of the...
March 8, 2017

Algebra 2
Step 1: Multiply first equation by ?1 and add the result to the second equation. The result is: -2x+2y+3z=0 -3y-2z=-3 2x+3y+3z=5 Step 2: Multiply first equation by 1 and add the result to the third equation. The result is: -2x+2y+3z=0 -3y-2z=-3 5y+6z=5 Step 3: Multiply second ...
March 8, 2017

Engineering
When we drive our car at 110 feet per? second, we measure an aerodynamic force? (called drag) of 61 ?pounds-force that opposes the motion of the car. How much horsepower is required to overcome this? drag?
February 22, 2017

Algebra
Basically she's traveling at 6mph (12mph - 6mph). To travel 3 miles at a speed of 6mph, she would need to paddle for 30 minutes
February 22, 2017

Algebra
2000 * .085 + 4000 * .0925
February 22, 2017

English help urgent
Yeah I looked up the question, it's supposed to be from an excerpt from The Lost Prince by Francis Hodgson Burnett. I imagine the answer is soot.
February 22, 2017

Algebra
9/4 = 2.25 Lay it out in an equation using x for your unknown. (2.25)% * (x) = 9 Divide both sides by 2.25% (or .0225) 9/.0225 = 400 x = 400
February 22, 2017

Algebraic equations real life problems
A book cover has the length and width(in inches) shown in the diagram. A) Find the values of a and b B) Find the perimeter of the book cover. Widths are top--3b in. bottom--(2+a)in. Lengths are left--(3a-b) in. And right--(2+a+2b) in.
December 14, 2016

Math
The area of a rectangular photo is 35 square inches. If the width of the photo is 5 inches, how tall is the photo?
December 1, 2016

Algebraic linear equations
Stefanie's train will leave the station in 24 minutes and she is y miles from the station. To catch the train, she walks at a speed of 4 miles per hour and later runs at a speed of 8 mph. Write an equation in terms of y for the distance she has to walk, w, to reach the ...
November 2, 2016

Probability & Stats
An experiments consists of tossing 4 coins successively. The number of sample points in this experiment is a. 16 b. 8 c. 4 d. 2 Please show work and why it is the answer! Thank you!
October 31, 2016

algebra
Simplify. Answer should contain only positive exponents. Please show work. (3a^2)^3 Thank you!!
October 19, 2016

Math
He got 210 because 180 + 30. 3 hours plus a half of an hour
September 27, 2016

8th Grade Math-exponents
Thank you!! It must be a typo in the book. Singapore Math. I appreciate all of your help!!
September 21, 2016

8th Grade Math-exponents
Thank you!! It must be a typo in the book. Singapore Math. I appreciate all of your help!!
September 21, 2016

8th Grade Math-exponents
Let me try writing it again... (X/2)^3*(X/2)^4 --------------------- (X/2^3)^2 I keep getting X/2^6, but the book says X/2^5. How do you get X/2^5????
September 21, 2016

8th grade math-exponents
I can't quite write the problem, so I'll try to explain it as best I can. In exponents and in fractions... (X/2) to the 3rd power times (X/2) to the 4th power...all over,or divided by, (X/2 to the 3rd power) to the 2nd power. The book says the answer is X/2 to the 5th ...
September 21, 2016

8th grade math-exponents
Let me try writing it again... (X/2)^3*(X/2)^4 --------------------- (X/2^3)^2 How do you get X/2^5????
September 21, 2016

8th grade math-exponents
I can't quite write the problem, so I'll try to explain it as best I can. In exponents and in fractions... (X/2) to the 3rd power times (X/2) to the 4th power...all over,or divided by, (X/2 to the 3rd power) to the 2nd power. The book says the answer is X/2 to the 5th ...
September 21, 2016

biology/science
Oxygen attracts electrons more strongly than hydrogen does. What kind of bond forms between the two hydrogen atoms and single oxygen atom that form a water molecule? A. A metallic bond B. A hydrogen bond C. An ionic bond D. A polar bond Currently stuck here.
September 19, 2016

science
What should be the range for the exponent of [H+] in solutions that are characterized as acidic? A. 0 to -0.07 B. 0 to 0.7 C. 0 to -7 D. 0 to 7
September 14, 2016

science
Which of the following is the pOH range of gastric acid? A. 1.5 to 3.5 B. 10.5 to 12.5 C. 1.5 to 2.5 D. 6.5 to 7.5
September 14, 2016

science
When are more products of a reaction available initially than at equilibrium? A. K = 0 B. Q < K C. Q = K D. Q > K
September 14, 2016

science
When Q < K, what can you conclude about the reaction? A. The reaction is not yet at equilibrium, and the reaction will proceed in the forward direction. B. The reaction is not yet at equilibrium, but the direction of the reaction must be experimentally determined. C. The ...
September 14, 2016

science
If the reaction is at equilibrium, which change will help to increase the amount of ammonia formed? 3H2(g) + N2(g) 2NH3(g) + heat A. Removing nitrogen B. Raising the temperature C. Lowering the pressure D. Adding hydrogen
September 14, 2016

science
What change do you expect if the value of the reaction quotient is greater than the value of the equilibrium constant? A. The rate of the forward reaction is greater than the rate of the reverse reaction. More reactant forms. B. The rate of the forward reaction is greater than...
September 13, 2016

science
How does deltaG° relate to K for a reaction? A. When deltaG° > 0, K < 1 and products are favored. B. When deltaG° < 0, K > 1 and products are favored. C. When deltaG° < 0, K < 1 and reactants are favored. D. When deltaG° > 0, K > 1 ...
September 13, 2016

Triangles
Determine whether the following lengths can make a triangle: 3, 5, 7
September 13, 2016

Triangles
Two sides of a triangle have lengths of 10 and 13. The length of the third side can be any number between _________ and ________.
September 13, 2016

Physics
What amount of energy is needed to change 1 kg of O degrees Celsius ice to 10 degrees Celsius water?
March 14, 2016

Math
The greatest amount of bouquets you could make is 3 because 3 is the least common factor and it goes into all the numbers equally
February 2, 2016

Algebraic inequalities
There are three kinds of fruit in a basket:apples, oranges, and pears. The number of apples is 1 less than the number of oranges. The number of pears is 2 times the number of apples. There are 17 fruits in the basket. How many of each kind are there?
December 16, 2015

Math
A landscaper installs 12 sections of trellis. Each section is 3/4 yards long. How many yards of trellis are installed altogether?
December 3, 2015

Stats
Fill in the table below regarding populations and samples. The first column represents the question the statistician is trying to answer. Fill in the blank(s) for each row. 1.Is my well water safe? 2.Are as many girls born as boys in the world? 3.Which works better, Advil or ...
November 19, 2015

chemistry
Determine the pH of a 1 M aniline solution (Kb = 4.2 10-10). I am unsure how to start, any help?
November 13, 2015

math
A company logo has 4 concentric circles suppose you graph the points (diameter,circumference ) and connect them with a line. In terms of (pie), what is the slope of the resulting line.
November 12, 2015

Chemistry
There is a question on my assignment that's asks how many moles of atoms are in x mol of CO2 (and a few others). Let X represent 5x10^-4. How do I do this? Teacher didn't really teach us this. I know in one mol of CO2 there is 2 moles of oxygen atoms, so how many in ...
October 13, 2015

math
hte4rgc44444rrrrrrrr
October 8, 2015

LA Story Teller
1 is C 2 is D 3 is C 4 is C 5 is B I just took the test
September 21, 2015

Math - Algebra
On test day, a teacher sharpens 19 pencils to lend out to his students. If n represents the number of pencils that the teacher lends out, which expression represents the number of pencils he has left? A) 19 - n B) 19 + n C) n-19 D) 19n *Please help!*
September 16, 2015

Math - Algebra
Evaluate t - u/v when t = -1, u = -3, and v = 1/2 I am VERY VERY unsure what the answer is. PLEASE HELP!!! I am stuck on this!!!
September 16, 2015

Hanahan
Use addition or substitution to find the value of y for this set of equations. 4x + 13y = 40 4x + 3y = -40
May 30, 2015

math
Does anyone know all the answers
May 7, 2015

Math
AMY IS RIGHT
April 24, 2015

SS
Lol I think its B
April 21, 2015

SS
Yes you guys really need to stop cheating
April 20, 2015

Chemistry
C is the answer
March 19, 2015

english cr
compare and contrast the two differnt versions of the story of the great chicago fire. how does the format of each passage allow the author to add details and information to support his/her purose?
March 9, 2015

Physics
25 degrees
January 29, 2015

English check please
1. In the poems in this collection, who faces life with the most hopefulness and self-confidence? the speaker in “Life Doesn’t Frighten Me”********THIS ONE the speaker in “A Dream Within a Dream” the Oysters in “The Walrus and the Carpenter”...
January 26, 2015

ART Check
You were right on both! Thanks
January 22, 2015

ART Check
Brooch of Henry Clay This brooch contains a miniature picture of american statesmen henry clay. likely owned by clay or his ancestors this brooch is valued for what reason a)scholastic value b)provenance c)cultural heritage d)market value A museum is building a collection of ...
January 22, 2015

English Check please
C and d were correct thank you
January 22, 2015

English Check please
So C for 1? and thank you
January 22, 2015

English Check please
in a dream within a dream which phrase is a context clue to the meaning of grasp? While I weep--while I weep!/O God! Can I not grasp/Them with a tighter clasp? a) While I weep b)O God! Can I not c) with a tighter clasp d)can I not grasp them My answer is B Another one from A ...
January 22, 2015

algebra
How do I graph a direct variation when x=10, 20, 30, 40, and y = 4.5, 9.00, 13.50,18.00 Put x on graph going up by 10 and put y on graph at the bottom going across I am unsure of rest
January 21, 2015

Math
In a jar the number of blue marbles = twice the number of red marbles! there are 24 more blue marbles than red. How many red and blue marbles are in the jar?
January 14, 2015

math
How do I write an equivalent equation that does not contain fractions for 1/2 x -5 = 1/3
December 6, 2014

Chemistry
I'm not sure how to calculate the ΔH°rxn for 3 Al + 3 NH4ClO4 -> Al2O3 + AlCl3 + 3 NO + 6 H2O. I'm honestly not sure where to start with this problem.
November 28, 2014

5th grade math
how many flowers do I have if...1/4 are pink...2/5 of remaining flowers are red...18 are yellow
November 18, 2014

Chinese
My favorite: 我最喜欢 Wǒ zuì xǐhuān Egg: 蛋 Dàn Egg (specifically chicken): 鸡蛋 Jīdàn
October 24, 2014

algebra 2
Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole?
October 21, 2014

Science
If 2 cities on a globe is equal to 7cm, what is the actual distance between the 2 cities?
October 15, 2014

Chemistry
a 191 g piece of copper is heated to 100 C in a boiling water bath and then dropped into a beaker containing 755 g of water (density =1.00 g/cm3) at 4.0 C. What is the final temperature of the copper and water after thermal equilibrium is reached? (Scu=0.385 J/g•K)
October 15, 2014

Chemistry 30
Calculate the delta H for the reaction : 2H3BO3(aq) reacts with B2O3(solid) + 3H2O
October 13, 2014

math
Represent 30 degree increase in temperature as an integer. Would that be +30?
September 29, 2014

math
Is the amount of tax collected proportional to the cost of an item after tax has been added?explain
September 2, 2014

Math
I am a number between 20 and 30. When you divide me into 6 equal groups,there is an even number in each group and 2 are left over.what number am I?
July 9, 2014

statistics
suppose you roll two number cubes and pick a letter of the alphabet at random. find the probability you will roll two odd numbers and pick one of the letters k, l, or m.
June 4, 2014

art history
Which of Michelangelo's sculptures is a metaphor for courage, determination, and strength?
May 20, 2014

physics
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 27.0°C is placed in a freezer. What is the final temperature if 430 kJ of energy is transferred from the bowl and soup? Assume the soup has the same thermal properties as that of water, the specific heat of the liquid ...
April 21, 2014

physics
=(1/2 m v^2)(.69)/(m C)
April 21, 2014

physics
A piece of iron block moves across a rough horizontal surface before coming to rest. The mass of the block is 1.8 kg, and its initial speed is 3.8 m/s. How much does the block's temperature increase, if it absorbs 69% of its initial kinetic energy as internal energy? The ...
April 21, 2014

pre-algrebra
melind wants to paint the exterior lateral surface of her house. It is nine feet high and has a perimeter of 140 feet. each gallon of paint covers 300 square feet how many one gallon cans of paint does she need to buy to paint her house
March 7, 2014

Math
Do u mean 9/39
March 5, 2014

Math
Assume you are working on a house the length of the house is 50 feet, the width is 30 feet, and from the ground to the gable is 10 feet. The height of the triangle prism on top is 6.5 feet. If you are going to shingle the roof of this house, how many square feet should you ...
February 28, 2014

Correction
Not understanding how to answer this You pore over the present evaluation: two intoxicated college females, one DUI and the other trying to run from police officers, both with no prior arrest, and both nursing majors at the local college. As judge, you must decide whether to ...
January 31, 2014

Math
Thanks sweetie it's easy
November 20, 2013

physics
Two stones are thrown vertically up at the same time. The first stone is thrown with an initial velocity of 11.5 m/s from a 12th floor balcony of a building and hits hits the ground after 4.6 seconds. With what initial velocity should the second stone be thrown from a 4th ...
September 10, 2013

Chemistry
A gas occupying a volume of 664 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final volume?
May 7, 2013

Chemistry
A gas occupying a volume of 664 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final volume?
May 7, 2013

language and art
How to write a character sketch?
May 1, 2013

social studies
Welcome to Jiskha the home for cheaters XD
March 11, 2013

Social Studies
All I know is that it is Harrison. Can't remember why but it is.
February 25, 2013

physics
Just use (k*|q1|*|q2|)/r^2 It should come out as 1,638,427.5N
February 19, 2013

math
a pizza has a diameter of 18. what is the best estimate of the area of the pizza?
February 8, 2013

Physics
can anyone explain how they got their answer?
January 23, 2013

Math
1.5%h=12. What is h?
January 9, 2013

physics
A ferry boat is 6.2m wide and 7.1 m long. When a truck pulls onto it, the boat sinks 6.02 cm in the water. What us the weight of the truck? The acceleration of gravity is 9.81 m/s2. Answer in units of N
December 19, 2012

College Algebra and Finance
Please help! Just need the answer... A lender gives you a choice between the following two 30-year mortgages of \$200,000: Mortgage A: 6.65% interest compounded monthly, one point, monthly payment of \$1283.93 Mortgage B: 6.8% interest compounded monthly, no points, monthly ...
December 7, 2012

math
A lender gives you a choice between the following two 30-year mortgages of \$200,000: Mortgage A: 6.65% interest compounded monthly, one point, monthly payment of \$1283.93 Mortgage B: 6.8% interest compounded monthly, no points, monthly payment of \$1303.85 Assuming that you can...
December 7, 2012

math VERY URGENT
First year 1+ 2=3 Second year 3+2+2+2=9 Third year 9+2+2+2+2+2+2+2+2+2=27 Fourth year 27+[27•2]=81
December 4, 2012

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