Posts by eric

Total # Posts: 823

3rd grade math
It snowed 6/10 times. 6/10=3/5

math
a) The system of equations is inconsistent.

math
d) infinitely many solutions

math
b) (1, 3/2)

math
d) (0,2)

math
a) infinitely many solutions

5-6th grade Math
Neler

Physics
What will happen to the time of collision if you add weight to a cart but keeps its speed the same and send it rolling down a incline towards a force sensor?

Tran
What will happen to the time of collision if you add weight to a cart but keeps its speed the same and send it rolling down a incline towards a force sensor?

Math
lhw

science
Will a plastic block that has sides that measure 9 cm and its mass is 19.2 grams float on water?

math
18,000,000 and 180,000 how are the values of 8 in each number related

Spanish
I need to unscramble some words in spanish. Can you help me 1) ripcarcat 2) nomrat 3)satdueri 4)icrncoa 5)raaperpr 6)mrorpac 7)cacreshu Thank you

Geometry
30 inches square

Language Arts
B, D, and D

Language Arts
Ms. Sue I Num 1 is B

Language Arts
yes

Language Arts
I need Help finding in understanding to get correct answer Before we buy our tickets. (1 point) Before we buy or tickets tomorrow. Before we buy our tickets, we should check the weather. We buy our tickets before. This is a complete sentence. No correction is necessary. 22. ...

Language Arts
i just need the answers in guidens

Language Arts
1. A 4. A?

Language Arts
Scott’s Good-bye We saw the months of wicked weather, As day to painful night did turn, Waiting, huddled close together For the frozen sun’s return. Our nights were almost endless torture. Our food was gone. Our fuel was low. We came in search of grand adventure But ...

Physics
Thank you Elena

math 10 pre calculus
12. An avalanche rescue team travels 8.55 km along a snow-covered trail. For the first section, the trail is flat. The team averages a speed of 2.7 km/h. Then, the terrain becomes mountainous and their average speed is only 1.2 km/h. The one-way trip takes the team 4.0 h. ...

I NEED HELP ASAP WITH SCIENCE PLEASE IT'S IMPORTAN
Thank u guys ;)

I NEED HELP ASAP WITH SCIENCE PLEASE IT'S IMPORTAN
Since fermentation occus in the cytoplasm of yeast cells explain the role of mitochondria in yeast cells?

Math
Could You Help Me ?

Math
The population of town A increases from 1,346 to 1,500. In the same period, the population of town B increases from 1,546 to 1,800. a. Find the percent of increase in population for town A and for town B. b. Which town had the greater percent of increase?

Math
Thank you Eric!! I understand after thinking about your solution. You are 100% correct!!! :=)

Math
Thank you for your response. But, I just don't understand what you wrote. It seems completely different than what the question is asking. Because the statement says all 7 numbers are even?

Math
Write five 7-digit numbers that are even. The sum of the digits in each number is 29.

Physics
There is an attractive force between all objects. Do you feel yourself gravitating towards massive buildings in our vicinity? I believe the force is negligible because it's so weak, is that correct?

Physics
You are travelling in your car at 50km/hr, your friend is traveling at 25 km/hr, both have the same mass. What distance do you need to travel to stop compared to the distance that your friend needs to stop? How will the stopping distance change if you and your friend are ...

Physics
If a sphere and paper are dropped from 10 meters and the sphere hit the ground in 1.4 seconds and the paper hit in 2 seconds, why did the impact time in case of the piece of paper change in comparison to the sphere? A. a=(Wt-R)/m;a=g B. a=(Wt-R)/m;a>g C. a=(Wt-R);a<g D. ...

Economics
1. Your country faces the following In the product market: IS = 6,752 - 37Y In the money market: LM = 1.75 In the BOP market: BP = -684 + 62Y a. Graph the above conditions. Is this an example of the classical case? If yes, explain. If no, show how it would look if it were the ...

chemistry
The 1s orbital is a sphere and the 2p orbital is made up of three dumbbells oriented in the x, y and z direction. The 2s orbital would be the same shape as the 1s orbital, but would be larger in size and the 3p orbital would have the same shape as the 2p orbitals bout would be...

maths
if 59,51,76,3,6 were numbers as total and 84,88,35,62,18 were machine produce what will be the next 5 out come numbers.if we are selecting from 1 to 90.

Math
A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of girls to total students? 12 : 15 15 : 12 27 : 12 12 : 27

Math
144 cm?

Math
The length of the hypotenuse of a right triangle is 15 cm. The length of one leg is 9 cm. Find the length of the other leg. 6 cm 12 cm 17 cm 144 cm

Math
What is the sqaure root of thirty six over forty nine?

Math
Paul is painting a square wall with an area of 115 square feet. To the nearest foot, what is the length of the wall? Hint: A = s2. 11 29 42 58

Math
Which of the images above represents a proof of the Pythagorean Theorem? Explain your choice, and then explain how the figure proves the Pythagorean Theorem.

Math
Thankss

Math
Thinking about the different types of numbers you learned in this unit, how would you help someone remember the differences between rational and irrational numbers? Remember to mention some of the Key Words from your lessons

Math
(4,3) is the answer?

Math
Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis.

math
Three cards are drawn without replacement from a well-shuffled deck of 52 playing cards. What is the probability that the third card drawn is a diamond?

math-10th
(7x+3)/x(x+6)^2 can be simplified to (7x+3)/(x^2+6x)^2 which can be simplified to... (7x+3)/(x^4)+(6x^2)

Math
If jimmy had 30 apples and gave 14 away. What fraction would that be

Chemistry
How many moles of H2O would be produced if 3.61 molt HCI react with an excess of Ca(OH)2?

Chemistry
How many molts of H2O would be produced if 3.61 molt HCI react with an excess of Ca(OH)2?

MATH
1000000000

stats
If SS = 50 and s^2 = 10, what is n?

Physics
One kind of slingshot consists of a pocket that holds a pebble and is whirled on a circle of radius r. The pebble is released from the circle at the angle θ so that it will hit the target. The angle in the drawing is 35.5°. The distance to the target from the center ...

AP Chemistry
The molar heat of fusion for water is 6.01 kJ/mol. The heat capacity for water is 75 J/mol deg. Which expression gives the quantity of energy need to change 1.0 mol ice at 0C to liquid water at 25C? A. 6010/(75x25) B. 6.01+75 C. 6010+(75x25) D. 6010/298+(75x25) E. (6010+(75x25...

math
Grossnickle Corporation issued 30-year, noncallable, 8.5% annual coupon bonds at their par value of $1,000 one year ago. Today, the market interest rate on these bonds is 6.5%. What is the current price of the bonds, given that they now have 29 years to maturity?

math/finance
Assume that you are considering the purchase of a 30-year, noncallable bond with an annual coupon rate of 8.5%. The bond has a face value of $1,000, and it makes semiannual interest payments. If you require an 7.4% yield to maturity on this investment, what is the maximum ...

Honors Geometry
If <MQJ = 50 degrees 41' 24", find the measurement of <JQG

Physics
I am in need of some basic tools in which to become better prepared to excel in my "Conceptual Physics" college course. I am a retired veteran of the Army and have not been in school for 25 years. Some reference charts for Trigonometry, basic glossary for any ...

Physics
A batter hits a baseball at an angle of 30 degrees with the horizontal. The ball is hit at a height of 2 m and leaves the bat with a speed of Vo. What is the minimum Vo for the ball to clear the outfield fence? The fence is 5 m high and located 60 m from home plate.

physics
here is another way: make it to X1,X2,X3 X1=(1/2)(1.3*19)(19) X2=(1.3*19)(23) X3=(1.3*19)/(0.9)(1/2)(1.3*19) total distance = X1+X2+X3

Math
? Not right. 4 years later I know. but the answer would be 19.33 miles. you forgot to add the mile when you subtracted 1.5(the first mile)

Economics
1. An economy's production possibilities frontier is also its consumption possibilities frontier. a. under all circumstances b. under no circumstances c. when the economy is self-sufficient d. when the rate of tradeoff between the two goods being produced is constant 2. ...

Accounting
i have urqhart as well

Science
A solution contains 0.01M ethyl acetate, 0.10M acetic acid and 0.10M ethanol. For the same equilibriujm constant of 2.00, calculate the equilibrium concentrations of ethyl acetate, ethanol, and acetic acid in the solution.

Calc
derivative? f(x)= e^(-2x^2+25x+8)

chemistry
E degrees (V) A galvanic cell based on the following half reaction s Au3+ 3e- ----> Au 1.50 Mg2+ 2e- ------> Mg -2.37 The cell is set up at 25 C with [Mg2+] = 1.00 x 10^-5 M The cell potential is observed to be 4.01 V. Calculate the [Au3+] that must be present. Au3+ = ...

chemistry
Consider the galvanic cell constructed from the following metals and their corresponding metal ions: E degrees (V) M^3+^ + 3e^-^ ----> M 0.29 N^2+^ + 2e^-^ ----> N 0.61 calculate the value of K for the cell reaction at 25C

chemistry
an aqueous solution of pdcl2 is electrolyzed for 27.4 seconds during this time 0.1064 g of Pd is deposited on the cathode. Calculate the average current used in the electrolysis.

chemistry
a certain radioactive nuclide has a half life of 5.00 hour. Calcuate the decay rate for 1.000 mole of this nuclide __________ decay s-1

Physics PLEASE help!
I REALLY NEED HELP WITH THIS!!!!! In this problem, your task is to analyze a lead balloon. The balloon in question is a hollow sphere of diameter of 20.0 m, constructed from a lead foil 0.25 mm thick and filled with helium gas. Below the balloon, a passenger basket is ...

Physics
A satellite with a mass of 284 kg approaches a large planet at a speed vi,1 = 14.4 km/s. The planet is moving at a speed vi,2 = 11.0 km/s in the opposite direction. The satellite partially orbits the planet and then moves away from the planet in a direction opposite to its ...

physics
The coordinates of an object moving in the xy plane vary with time according to the equations x = −6.85 sin ùt and y = 4.00 − 6.85 cos ùt, where ù is a constant, x and y are in meters, and t is in seconds. (a) Determine the components of ...

Physics
two skaters, each of mass 55 kg, approach each other along parallel paths separated by 3.8 m. They have opposite velocities of 1.9 m/s each. One skater carries one end of a long pole with negligible mass, and the second skater grabs the other end of it as she passes. The ...

physics
Thanks Tiffany! I wish my teacher could actually teach me this instead of puffing the devil' so lettuce...

math
the letters elementary are placed in a bag. one letter is randomly selected from the bag. what is the probability the letter selected is a consonant?

algebra
Does the parabola open up or down? -10m + m 2 = 21 + y

GED-Word Problems
14000 just times both number

GED-Word Problems
2970

math
its 4 1/4

physics
by gravity its going to far at a rate of 9.8 per sec you can drop basicly anything down a building and it will still fall the same speed. well basicly gravity

physics
i believe its was 9.8 mph persec

physics
30 if you divide them

MATH
Solve this system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions 2x-y=0 3x+y=5

history
Hamilton / Jefferson Readings Quiz can someone help me check my answers the answers with an (*) at the end them are the ones i think are right 1. Alexander Hamilton thought that having a virtuous citizenry was a necessity in a Repulic. A) True * B) False 2. Who said "The ...

history
the Puritan dilemma can someone help me check my answers the answers with an (*) at the end them are the ones i think are right 1. Englishmen rejoiced when Henry VIII turned his back on the Pope because now they felt they would be free to join the Protestant Reformation and ...

history
Hamilton / Jefferson Readings Quiz can someone help me check my answers the answers with an (*) at the end them are the ones i think are right 1. Alexander Hamilton thought that having a virtuous citizenry was a necessity in a Repulic. A) True * B) False 2. Who said "The ...

history
the Puritan dilemma can someone help me check my answers the answers with an (*) at the end them are the ones i think are right 1. Englishmen rejoiced when Henry VIII turned his back on the Pope because now they felt they would be free to join the Protestant Reformation and ...

history
Hamilton / Jefferson Readings Quiz 1. Alexander Hamilton thought that having a virtuous citizenry was a necessity in a Repulic. A) True B) False 2. Who said "The goodness of a government consists in a vigorous execution?" A) Thomas Jefferson B) Alexander Hamilton 3. ...

history
the Puritan dilemma 1. Englishmen rejoiced when Henry VIII turned his back on the Pope because now they felt they would be free to join the Protestant Reformation and gain a purer church. A) True B) False 2. Puritan's believed that marriage came before God. A) True B) ...

math
Evaluate the expression 8a + b for the given variable. b = 3a – 2

Statistics
“How would you describe your own physical health at this time? Would you say physical health is—excellent, good, only fair, or poor?” The Gallup Poll asked this question of 1005 randomly selected adults, of whom 29% said “excellent.” Suppose that in ...

MATH URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Tara is researching the stork population living in a bird reserve. On her first day, she captures and tags 37 birds. Two weeks later, she captures 48 birds and finds that 30 are not tagged. Estimate the actual number of storks in the bird reserve. 27. In a marketing survey ...

Chemistry
It is not wrong, correct way to calculate answers thanks DrBob222

marketing
Mark is trying to determine his firm's average cost per unit of production. He finds that the cost for all labor and materials is $80,000 and fixed overhead expenses are $40,000. If the company produces 20,000 items in the time period, the average cost is_____.

Discrete Mathematics
It was proven during the previous lecture that 1+2+3+....+n=[n(n+1)]/2. Using that result, find the sum of all 3-digit palindromes: a palindrome is a number that can be written as ABA, where 1=<A<=9 and 0<=B<=9. Hint: decompose ABA = 100*A + 10*B + A and use above ...

Chemistry
That's wrong

American Literature
To what does the title of the play Dutchman by Amiri Baraka allude?

Politics
In congress.

Politics
Which one is more preferable agency or sociological representation? Would be nice if someone can give any ideas on it. thanks

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