Thursday

March 5, 2015

March 5, 2015

Total # Posts: 1,386

**biochemistry**

How to prepare 2L of 5.5M HCL solutions from scratch
*March 4, 2015*

**Social Studies**

The people of Brazil can best be decribed as A Primarily indigenous in descent B largely of the white European ancestry C mestizos with shared-indigenous heritages <--- c is my answer D mixed race with native, African, and European roots.
*February 28, 2015*

**Social Studies**

The people of Brazil can best be decribed as A Primarily indigenous in descent B largely of the white European ancestry C mestizos with shared-indigenous heritages <--- c is my answer D mixed race with native, African, and European roots.
*February 28, 2015*

**biology**

hi, I am studying for an exam and I am trying to really understand the processes of things. So, in a cardiac muscle (everything else normal) what would happen if sympathetic stimulation does not lead to the phosphorylation of Troponin-I? I am asking specifically in regards to ...
*February 27, 2015*

**chemistry**

PLZ help me understand the way of solving this equation quick A 0.07 mol sample of octane C8H18 absorbed 3.5*10^3 j of energy. calculate the temperature increase of octane if the molar heat capacity of octane is 254.0 j/k*mol
*February 21, 2015*

**biology**

I need help on the following: Imagine that a motor unit, with its nerve intact, is placed in a solution that is calcium-free (but has the proper ionic strength – don’t worry how). Further imagine that the ends of the muscle fibers in the motor unit are held such that...
*February 13, 2015*

**social studies**

What are some advantages and disadvantages of a reorganized family
*February 11, 2015*

**Icp**

A student is helping her teacher move a 9.5 kg box of books. What net sideways force must she exert on the box to slide it across the floor so that it accelerates at 1.0 m/s2?
*February 11, 2015*

**Physics**

A bowling ball of mass 3.5 kg moves in a straight line at 4.48 m/s. How fast must a Ping-Pong ball of mass 3.456 g move in a straight line so that the two balls have the same momentum? Answer in units of m/s.
*February 6, 2015*

**physics**

A wheel has a rotational velocity of 18·rad/s counterclockwise. You place you hand against the wheel and the friction between your hand and the rim stops it. (a) If it takes 4·s to stop the wheel, what is its rotational acceleration? rad/s2 (b) How far does the ...
*February 6, 2015*

**Socials Studies **

what did the monarch who replaced napoleon in 1813 want to revive how did it affect the people of france
*January 20, 2015*

**Socials Studies **

What was the outcome of the five year war between France and Spain and What country did Spanish troops ally with to fight napoleon's grand armee?
*January 20, 2015*

**physics**

A ball is thrown straight up and reaches a maximum height of 6.57 m . What was its initial speed? The accelera- tion of gravity is 9.8 m/s2 . Answer in units of m/s
*January 15, 2015*

**physics**

A 25.7 kg mass attached to a spring scale rests on a smooth, horizontal surface. The spring scale, attached to the front end of a boxcar, reads T = 47.6 N when the car is in motion. If the spring scale reads zero when the car is at rest, determine the acceleration of the car, ...
*January 15, 2015*

**Socials Studies **

Toussaint Louverture was immortalized in sonnet by the British poet Wordsworth
*January 12, 2015*

**chemistry**

What volume of 1.34 mol/L hydrochloric acid, HCI, is expected to react completely with 6.89 g of calcium?
*January 12, 2015*

**Math**

Eighty metres of fencing are available to enclose a rectangular area. What are the dimensions that enclose the max area. What is max area?
*January 2, 2015*

**math**

why do you always mind this person's business ms.sue?
*December 26, 2014*

**Physics**

A 2.13 kg mass is suspended from a string which is pulled upward. The mass accelerates upwards with an acceleration of 3.10m/s2. What is the tension in the string?
*December 16, 2014*

**Physics**

A 1250 kg car traveling at 20 m/s suddenly runs out of gas while approaching the valley shown in the figure below. What will be the car's speed as it coasts into the gas station on the other side of the valley? (Assume that no energy is loss to friction.) file://dd-s-1/...
*December 10, 2014*

**Physics**

A weight of 690 N is held by two cables. The left-hand cable had tension T2 and makes an angle of 41◦ with the ceiling. The right-hand cable had tension T1 and makes an angle of 42◦ with the ceiling. What is the tension in the cable labeled T1 slanted at an angle ...
*December 8, 2014*

**english**

Lennie thinks Crooks is trying to scare him and gets becomes defensive saying "George will come back"
*December 8, 2014*

**physics**

A ball player hits a home run, and the baseball just clears a wall 17.6 m high located 122.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1.1 m above the ground. (a) What is...
*November 24, 2014*

**Physics**

A 0.118 kg baseball traveling with a horizontal speed of 3.14 m/s is hit by a bat and then moves with a speed of 33.7 m/s in the opposite direction. What is the magnitude of the change in the ball's momentum?
*November 23, 2014*

**math**

Two sides of a rectangular fence are 5 5/8 feet long The other two sides are 6 1/4 feet long. what is the perimeter
*November 23, 2014*

**Math Help!**

2/3(k+8)=52
*November 19, 2014*

**math**

What is the GCF of 8 and 24? What is the LCM of 8 and 24?Write the sum of 8 + 24 as the product of its GCF and another sum.
*November 16, 2014*

**Physics**

Mary if riding her bike at a constant velocity of 10.2m/s. Suddenly someone jumps in front of her, 6 meters ahead of her. The coefficient of friction is 0.35, and her total mass is 130kg. She slams the breaks with 800N of force. Will she be able to stop in time? I heard that ...
*November 13, 2014*

**L.A.Help!!!!!!**

the answers for the whole quiz is 1. c 2. d. 3. b
*November 13, 2014*

**EDTECH**

UNIT 4 lesson 4 All of this information is part of a ___ in a database. a. record b. row c. column d. field What other information do you need to add to complete the database above? a. cell fill color b. fields c. field names d. borders
*November 13, 2014*

**science**

What would you need to know to determine the total amount of photosynthesis going on in the canopy and near the forest floor? Why?
*November 7, 2014*

**language arts**

according to harriet tubman, what was thomas garrett's role in the underground railroad
*November 6, 2014*

**Algebra**

Angle A is three times the measure of angle B. The sum of their measures is 128 degrees. Angle B is (x + 2) degrees. Find the value of x.
*October 30, 2014*

**science**

which of the following is true about the magnetic field diagram below
*October 27, 2014*

**English**

i hope that helps
*October 26, 2014*

**English**

somebody help i am new's answers are correct i got them all right
*October 26, 2014*

**math**

the product of my digits is an even number the sum of my digits is < 100
*October 20, 2014*

**statistics**

VGFIHTRNHKJ
*October 20, 2014*

**Biology**

For yogurt, draw a representative molecule of amino acids it contains.
*October 20, 2014*

**Biology**

Yogurt contains fats, cholesterols, carbohydrates(fibre, sugar and starch) and protein. For each of the nutrients that this food contains: Explain how the molecule's structure fits it function?
*October 20, 2014*

**Physics**

An apple falls from a tree and hits the ground 8.83 m below. With what speed will it hit the ground? The acceleration of gravity is 9.8 m/s2 . Answer in units of m/s
*October 9, 2014*

**algebra**

HEY IM FROM GERMANY!!!!!! YYAAAAAhhhahhahahhahahahh
*October 6, 2014*

**physics**

A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 19.0m/s when the hand is 1.50m above the ground. How long is the ball in the air before it hits the ground? (The student moves her hand out of the way.)
*September 26, 2014*

**Algebra 1**

A student reads an average of 34 pages per day. The number of pages she reads per day varies from the average by up to 8 pages. a. Write an absolute value inequality that represents the range of the number of pages she reads per day. b. Solve your inequality
*September 25, 2014*

**Algebra**

In a sports poll, 53% of those surveyed believe their high school football team will win the state championship. The poll shows a margin of error of +-5 percentage points. Write and solve an absolute value inequality to find the least and the greatest percent of people that ...
*September 25, 2014*

**Algebra 1**

EXCELLENT. Thanks much.
*September 25, 2014*

**Algebra 1**

In order to earn an A in a class, your test scores must average at least 92%. On the first 6 tests, you have an average of 91%. What score do you need to get on the last test to earn an A? Show your work.
*September 25, 2014*

**Algebra 1**

Sorry but how do you know to include 80 and 90. Just cannot understand that part. Thanks much.
*September 25, 2014*

**Algebra 1**

Can you PLEASE elaborate ?
*September 25, 2014*

**Algebra 1**

I think you are saying option c. But real answer is d. Not sure why.
*September 25, 2014*

**Algebra 1**

A teacher knows that 80% of her students will score no more than 5 points above or below the class average, 85%, on the test. Which inequality represents the test scores of 80% of her students? a. 75<A<85 b. 85<=A<=90 c. 80<A<90 d. 80<=A<=90
*September 25, 2014*

**Math**

How many tenths are there in 4/5?
*September 21, 2014*

**Finanal**

using the maximum ratios for a conventional mortgage, how big a monthly payment could the Burton family afford if their gross (before-tax) monthly income amounted to $3500? Would it make any difference if they were already making monthly installment loan payments totaling $750...
*September 18, 2014*

**physics**

A river flows with a uniform velocity v. A person in a motorboat travels 1.11km upstream, at which time she passes a log floating by. Always with the same throttle setting, the boater continues to travel upstream for another 58.8min and then returns downstream to her starting ...
*September 14, 2014*

**math**

flossie has $62.05. In quarters, she has 3 more than twice the number of half dollars, and 10 more dimes than quarters. how many of each coin does she have
*August 30, 2014*

**calculus**

Not sure what you mean. It says it's in the first quadrant.
*August 27, 2014*

**calculus**

1. Let S be the region in the first quadrant bounded by the graphs of y = e^(-x^2) y = 2x^2, and the y axis. y x = 2 , and the y-axis. a) Find the area of the region S. So when I integrate, is it from 0 to .5325? I found where they intersect on the calculator. Is this the ...
*August 27, 2014*

**Math**

By the way, you converted AUD to EUR, than apparently EUR back to AUD, yet you have different numbers for AUD...
*August 27, 2014*

**Math**

Convert from AUD to EUR, than EUR to USD.
*August 27, 2014*

**physics**

Some of the branches of physics that you will study in this course investigate motion, the properties of materials, sound, light, electricity and magnetism, properties of atoms, and nuclear reactions. Give at least one example of an application of each branch.
*August 25, 2014*

**physics**

Well i put generators and television for electricity & magnetism
*August 25, 2014*

**physics**

Some of the branches of physics that you will study in this course investigate motion, the properties of materials, sound, light, electricity and magnetism, properties of atoms, and nuclear reactions. Give at least one example of an application of each branch.
*August 25, 2014*

**algebra**

That's what I tried, but it's wrong. Idk why.
*August 22, 2014*

**algebra**

What is the maximum value of c such that the graph of the parabola y = (1/3)x^2 has at most one point of intersection with the line y = x+c?
*August 22, 2014*

**physics**

Ok I actually understand part of it now, but why is sin (θ1) used instead of cos? Wouldn't using cos give the horizontal component of F2?
*July 21, 2014*

**physics**

Three balanced forces pull on a ring that is centered over a force table. Two forces F1 and F2 are due to weights hanging from pulleys. A frictionless pulley changes the direction of a force without altering its magnitude. The third force F3 is applied by a string that passes ...
*July 21, 2014*

**Reading**

we are working togather...Thank you.
*July 3, 2014*

**Reading**

Thank you Ms. Sue
*July 3, 2014*

**english**

Words to choose from: Credible, Cursory, Designate, Deviate, Improvise, Interim, Latent, Secular, Shun, Simulate…… I remember so well the time my mother’s back injury prevented her from going to church with my brother and me. For five weeks, we were supposed to ...
*July 2, 2014*

**math**

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -6x2 + 3x + 3.
*June 19, 2014*

**Math **

The average weight of 3 boys is 53 pounds. Not one of these boys weighs less than 51 pounds. What is the maximum possible weight in pounds, of any one boy?
*June 8, 2014*

**Reading**

I was not _______(e)d with athletic ability; mortified or detract
*June 4, 2014*

**CHEMISTRY**

given this balance equation, C2H5OH+3O2=3H2O+2CO2 HOW MANY GRAMS OF CO2 ARE PRODUCED FROM 18.5 GRAMS OF OXYGEN GAS?
*May 24, 2014*

**algebra1**

did you take the unit test for connexus ?
*May 19, 2014*

**algebra1**

Please Help me out if you know this... Simplify. x/7x+x^2 A. 1/7+x; Where x does not equal -7 B. 1/7x; Where x does not equal 0 C. 1/7+x; Where x does not equal 0,-7 D. 1/7
*May 19, 2014*

**Biology**

Examining an animal showing juvenile somatic characteristics and sexual maturity, how can you tell if this is the result of progenesisor neoteny?
*May 8, 2014*

**Chemistry **

If the solubility constant for Ag2CO3 is equal to 8.1x10^-12 how many grams of Ag2CO3 will dissolve in a .0001 M solution of Na2CO3?
*April 17, 2014*

**Social Studies**

What characteristic did the Mauryan and Mughal empires share? -Both helped spread Buddhism -Both helped spread Islam -Both embraced the idea of religious tolerance -Both were begun by Aryan people
*April 12, 2014*

**chemistry**

A 4.70 g sample of a certain gas occupies 530. mL at STP. What mass of the same gas is present in a 1.15 L container at 40.5°C and 785 mm Hg?
*April 10, 2014*

**math **

simplify 8g^7h^-3 over (like a fraction) 2g^4h^8 a. g³ over 4h^5 b. 4g³ over h^11 c. 4g³h^5 d. 4h^11 over g³ thank you for your help!
*April 10, 2014*

**Physics**

A turntable rotates counterclockwise at 63 rpm. A speck of dust on the turntable is at θ = 0.57 rad at t = 0 s. What is the angle of the speck at t = 9.5 s? Your answer should be between 0 and 2π rad.
*April 3, 2014*

**science(check answers)**

5 is false
*March 31, 2014*

**science**

actually all are correct i got 7/7 correct
*March 22, 2014*

**Math: Thinking Mathematically**

Never Mind... I Just figured it out. Thanks Steve for help!!! :D
*March 21, 2014*

**Math: Thinking Mathematically**

Hey Steve, I'm also stuck on this problem too. I understand the part about the height being 12 yards since the three cables are attached 4 yards below the top. I can't figure out how you ended up with 15 yards. When you say that the other leg is 9 yards, are you ...
*March 21, 2014*

**Global studies**

The indigenous people of British Columbia are famous for carving __________, or tall poles containing the symbols of a particular group, family, or clan. a. monuments b. family pillars c. totem poles *** d. animal columns
*March 12, 2014*

**Algebra**

Long Divide: (x^2 + 3x + 5)/ (x + 3) Thanks.
*March 4, 2014*

**Science -Check Answers-**

Damon 4 is inertia
*March 3, 2014*

**Finance**

2,238.87
*February 25, 2014*

**6th grade social studies**

I need help unscrambling these letters to form two words: inenidj tcain They go along with the phrase ______ _____and Persia.
*February 24, 2014*

**Chemistry **

If the surface area of a human body is 17,500 square centimeters, what is the total weight of the atmosphere on a human body expressed in pounds?
*February 14, 2014*

**math**

Wandy and Paul are saving to buy their home. Wandy saved $16 390 while paul has save $18 000. how more has paul saved. how much altogether?
*February 13, 2014*

**Physics**

A football is kicked at ground level with a speed of 17.9m/s at an angle of 39.0∘ to the horizontal. How much later does it hit the ground?
*February 5, 2014*

**spanish**

I need hep unscrambling these words can anyone help? 1)GJAUDRO 2)ARBCUE 3)EUPQIO 4)MCLICISO 5)PEASRA 6)NEIST
*January 31, 2014*

**Language Arts (Check answer)**

because the story is written as a series of dated reports, we can see that the story is structures according to a. Cause and effect b. Chronological order c. Comparison and contrast d. Problem and solution ***
*January 31, 2014*

**social studies(check answers)**

These are all wrong
*January 30, 2014*

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