Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 1,509

**physics**

Determine the banking angle needed to make a high-speed turn off a highway exit ramp with a radius of 720 m if the vehicle is travelling at 80 km/h. Assume there is no friction.

**physics**

A light, inextensible cord passes over a light, frictionless pulley with a radius of 11 cm. It has a(n) 14 kg mass on the left and a(n) 4.3 kg mass on the right, both hanging freely. Initially their center of masses are a vertical distance 2.1 m apart. The acceleration of grav...

**geometry**

if a polyhedron has a volume of 14 cm and is dilated by a factor of 1/5, what will be the volume of the dilated polyhedron? ROund your answer to the nearest thousandth if necessary

**MATH!!!!!!!**

If theres 225 students in my grade and the requirement to get into the principal list is top 5%, how many students are in the principal list?

**math**

Isaiah walks 3 miles due north, turns and then 5 miles due east. How far is he from his starting point?

**Biology**

Hormones are _____? a) produced only in response to environmental stress b) are all under the control of the pituitary gland c) signals that must interact with DNA in order to be effective d) always proteins I feel like it is b) because hormone receptors are always proteins, b...

**Biology**

Hormones are _____? a) produced only in response to environmental stress b) are all under the control of the pituitary gland c) signals that must interact with DNA in order to be effective d) always proteins I feel like it is b) because hormone receptors are always proteins, b...

**forgot to add**

Note: The "altitude" is the "height" of the triangle in the formula "Area=(1/2)*base*height". Draw yourself a general "representative" triangle and label the base one variable and the altitude (height) another variable. Note that to solv...

**calc**

The altitude of a triangle is increasing at a rate of 1.000 centimeters/minute while the area of the triangle is increasing at a rate of 3.000 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 11.500 centimeters and the area is 8...

**English 9R - Civil Disobedience Essay Check (PLZ!)**

i cant use we or I in my essay

**English 9R - Civil Disobedience Essay Check (PLZ!)**

i cant use outside info.

**English 9R - Civil Disobedience Essay Check (PLZ!)**

and QUOTES to support my ideas

**English 9R - Civil Disobedience Essay Check (PLZ!)**

she gave us us this packet full of information about rosa parks, john t. scopes, and susan b Anthony she want us to use these DOCUMENTS to support my opinion

**English 9R - Civil Disobedience Essay Check (PLZ!)**

Create a five paragraph essay based on the documents and on your knowledge of the topic. Be sre to include all the following: - A definition of civil disobedience Body paragraph using examples from the documents, prior knowledge, and class discussions. Your stance on civil dis...

**English 9R - Civil Disobedience Essay Check (PLZ!)**

Please check my essay for any grammar errors and anything, because my English teacher grades HARD and I really want a 100 on this essay. I spend HOURS writing this and I really appreciate if you check. Thank You! :) here it is: Civil disobedience is "refusal to obey laws ...

**Chemistry**

What are the signs of dH, dS, and dG for the following and please explain why? Also what does it mean by sublimation, and molten? 1. CO2(s) --> CO2(g) (Dry ice subliming) dH = ? dS = ? dG = ? 2. The electrolysis of molten NaCl(l). dH = ? dS = ? dG = ?

**Physics**

A wooden crate sits on the floor of a flatbed truck that is initially at rest, and the coefficient of static friction between the crate and the floor of the truck is 0.25. The driver of the truck wants to accelerate to a velocity of 20 m/s within 4.0 s. If he does so, will the...

**Physics**

Suppose a sled has a mass of 12 kg and a child is exerting a force of magnitude 200 N. Find the angle q at which the normal force N vanishes. What is happening physically when N = 0?

**Physics**

An Atwood's machine consists of two crates of different masses. If the pulley is frictionless and massless along with a string of negligible mass, find the acceleration of the crates and the tension in the string

**Organic Chemistry**

Thanks anyway! I can ask one of my classmates to explain

**Organic Chemistry**

Draw every stereoisomer for 1-bromo-2-chloro-1,2-difluorocyclopentane. Use wedge-and-dash bonds for the substituent groups, and be sure that they are drawn on the outside of the ring, adjacent to each other.

**Education technologoy**

number 3 was incorrect..

**Education technologoy**

ok, can you check my answers now? Number one: D Number two: A Number three:C

**Education technologoy**

How are boolean search strategies and other search filters useful? a. They organize results alphabetically <<< b. They narrow the search results c. They increase the number of search results d. They find creative sources Which of the following are Boolean operators? a...

**Global Studies**

I was having a little trouble with this question.. what about d?

**Global Studies**

C ?

**Global Studies**

Thanks. I got another one. ________Is still a major employer in the Atlantic Provinces, particularly in Nova Scotia. a. Whaling<< b. Forestry c. shipbuilding d. computer manufacturing

**Global Studies**

Although fish is the Atlantic provinces' most abundant natural resource, what caused cod fishing to be banned throughout Canada in 2003? a. A disease killed all the cod b. People stopped eating cod c. Gas-powdered fishing boats were outlawed first d. Over-fishing was rampa...

**Trigonometry**

A bicycle is traveling at 20 feet/second. If the diameter of the wheel is 24 inches, what is the angular velocity in radians/second?

**8th Grade Science**

There is a connection between photosynthesis and cellular respiration. The products from one provide the raw materials for the other. What products of photosynthesis are starting materials for cellular respiration? A. glucose and oxygen B. heat energy and ATP C. carbon dioxide...

**Physics**

v= sqr(mg/D)

**Math**

Linda buys 3 pizzas for her party. There are 8 guests at the party. If each guest will eat an equal amount of pizza, how much pizza will each guest eat?

**lit**

oh my gosh sorry! what does F.Scott Fitzgeralrd portray liquor/alcohol as in the book "the great gatsby?"

**lit**

what are does f. scott fitzgerald portraying liquor as? thanks!

**Cary MS Math**

How do you find the volume of a rectangular prism

**Physics**

A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 44.0° above the horizontal. It rises to its maximum height and then falls down to the green. Ignoring air resistanc...

**science- physics**

when a wave strikes a boundary that is less dense than the original wave medium, the wave comes back a) upright b)inverted thank you!

**U.S History**

Document C - Thomas Jefferson, Notes on Virginia. 1781-1782 “Experience has shown that even under the best forms of government those entrusted with power have in time, and by slow operations, perverted it into Tyranny”. 3) According to Thomas Jefferson, time and peop...

**U.S History**

Thank you Ms. Sue :)

**U.S History**

Document A – Statement by Thomas Jefferson (1787) “A democracy is nothing more than mob rule where fifty-one percent of the people may take away the rights of the other forty nine. All, too, will bear in mind this sacred principle that though the will of the majority...

**history **

what was Scribner's monthly, "a georgia plantation" about? thanks!

**history**

Even though the Confederate States were more willing to fight, the Union was able to win the war. Analyze the reasons for this fact thank you!!

**geometry**

An ant looks to the top of a bulding at an angle of elevation of 32°. The ant then walks an additional 66 feet from the edge of the building. If the new angle of elevation from the ant to the top of the building is 22°, find the height of the building. Round to the nea...

**U.S History**

Please HELP!!!!

**U.S History**

What is the interpretation and counterargument from the following quote. "The will of the people is the only legitimate foundation of any government, and to protect its free expression should be our first object." Thomas Jefferson

**Social studies (7th gr.)**

According to christopher columbus, who owned the land that he explored in the americas?

**Spelling**

How did Midas react when Dionysus suggested that he be cautious?

**Need help with math data!!!!**

Thank you so much Ms.Sue :)

**Need help with math data!!!!**

I am now working on the data from before and after of my experience, but I don't know how to calculate the total % weight lost of my experience. Can you help me? Trial#1- Original weight(BEFORE): 411ml After the experience weight: 376ml What is the total % weight lost in t...

**Algebra 1**

The sume of two numbers is 28 and their difference is 4. What are the numbers?

**physics**

A thin, light wire 75.8cm long having a circular cross section 0.560mm in diameter has a 25.5kg weight attached to it, causing it to stretch by 1.12mm . what is the stress?

**Electrical Engineering**

Winter is coming, so I want to make a 1500 W heating coil which will plug into a 120 V wall outlet. The coil will have a cross sectional area of 0.01 cm2 and a length (when fully unwound) of 5 m. Determine the resistivity of the coil required, in Ωcm:

**Science**

What will be the new volume if 115 mL of He gas at 100°C and 0.993 atm is cooled to 26°C and the pressure is increased to 1.35 atm?

**English (concrete nouns)**

Read the passage below and answer the following question: Zach enjoyed biking to his job at Bistro Café. The early morning ride gave some serenity to his hectic schedule. Opening the restaurant allowed him to get everything ready before the rest of the crew arrived. 1.I...

**business **

Which of the following is the common balance sheet layout? A. assets = liability + owner’s equity B. profit = revenue – total expenses C. return on investment = net income owner’s equity D. gross profit margin = gross profit net sales

**math**

Nick has a revolving department store credit card account with an annual percentage rate of 15%. Last month’s balance on the account was $423.78. During the current month, he made pur- chases totaling $123.42 and made a payment of $100. The store uses the unpaid balance m...

**geometry **

If a decorative sign in the form of a circle has a diameter of 10 feet, what it the area of the sign, to the nearest square foot? A. 79 ft2 B. 16 ft2 C. 157 ft2 D. 31 ft2

**geometry **

What is the altitude of a rhombus if its area is 50 square meters and the length on one side is 12.5 meters? A. 10 m B. 4 m C. 7.5 m D. 12.5 m

**geometry **

A monument in the form of a marble cylinder has a circular base with a radius of 1.5 meters. The altitude of the monument is 3.5 meters. How many cubic meters of marble does this monument contain? A. 7.07 m^3 B. 21.21 m^3 C. 24.74 m^3 D. 6.19 m^3

**Chemistry**

Complete this Bronsted-Lowry reaction, placing each product by it's appropriate label. HSO4- + BrO- <--> ____ (ACID) + ____ (BASE)

**chemistry**

Complete and balance the precipitation reactions. Include physical states in your equations. Ba(NO3)2(aq) + CuSO4 (aq)---> K3PO4(aq)+MgCl2 (aq)---->

**math**

A politician claims that she will receive 59% of the vote in an upcoming election. The results of a properly designed random sample of 100 voters showed that 54 of those sampled will vote for her. Is it likely that her assertion is correct at the 0.05 level of significance? Wh...

**CHEM**

Can you please check my work? I got -4.3KJ/mol If this is not right can you tell me what I am doing wrong? Thank you! Questions. 1.a. Use Hess's Law and the measured mean enthalpy changes for the NaOH-HCl and NH3-HCl reactions to calculate the enthalpy change to be expect...

**Psychology**

What are examples of operational defintions in a experimental Psychology research journal. For instance, would the Oxford Happiness Questionnaire (OHQ)be an example of an operational definition in a psychology experiment? If yes, how come?

**Social Science**

Here is the abstract of the article.. Re-examined the relationship between the Oxford Happiness Inventory (OHI) and both gender and Eysenck's dimensional model of personality by giving attention to the performance of the individual items as well as to the overall scale sco...

**8th grade math**

please help to check my answer!!!

**8th grade math**

I am not sure if I did it correct, can you please check this answer for me, Ms.Sue? :) Writing equations in point-slope form: m:3, p:(-1, -2) (y-y1) = m(x-x1) y-(-2)=3(x-(-1)) y+2=3x+3 y+2-2=3x+3-2 y=3x+1

**Science**

Answer should be.....Air temperature near or over bodies of water is much different from that over land due to differences in the way water and land heat and cool. Properties that affect water temperature are transparency, ability to circulate, and specific heat. Am I correct?

**Science**

Why do the temperatures of land, air and water differ?

**Solar Energy Please Help**

what are the answer to the e) please

**Geometry**

Compare and Contrast - Describe the difference between saying that two segments are congruent and saying that two segments have equal length. When would you use each phrase?

**math**

How much will Pauline pay in interest if she takes out a simple interest loan with a principal of $3,900 at 7.2% for three years?

**physics**

A commuting student leaves home and drives to school at an average speed of 42.0 km/h. After 20.0 min he realizes that he has forgotten his homework and returns home to get it at the same average speed. It takes 7.0 min to find the report, after which the trip to school 42.0 k...

**Math 6th grade**

Can you give me a word problem for 11/12 / 1/4?

**algebra**

thank youu!

**algebra**

the product of the square of a number and 8? fifteen less than the sube of a number? thanks!

**Physics**

0.801m

**Lit**

what was the mother's role in the puritan family? thank you

**geography**

I have homework and I left my book at. School and I need some landforms

**Calculus**

Given that f(x)=x^8h(x) h(−1)=5 hŒ(−1)=8 Calculate fŒ(−1).

**Calculus**

Find a cubic function y=ax3^+bx^2+cx+d whose graph has horizontal tangents at the points (-1, -16) and (1,12).

**Algebra 3 and trig**

An ocean liner is 177 miles due west of lighthouse A. Lighthouse B is 265 miles due south of lighthouse A. Find the distance from lighthouse B to the liner and the bearing of the ocean liner from lighthouse B.

**Chemistry**

Use Hess's Law to find the change in heat of 2C(graphite)+H2(g)-->C2H2(g)? Given: C(graphite) + O2(g) --> CO2(g) change of heat rxn = -393.5 kJ 2H2 (g) + O2(g) ---> 2H2O (l) change of heat rxn = -571.6 kJ 2C2H2 (g) +5O2(g) ----> 4CO2(g) +2H2O (l) change of heat...

**Calulus**

At what interval is 2x^3+0x^2-54x+6 increasing?

**chemistry**

can you convert the grams to liters of water using the conversion factor of 22.4 liters in one mole?

**physics**

A block of mass 8.50 is sliding along a smooth surface when it encounters a 0.800 long region of roughness with =0.310. The block emerges from the rough patch at a reduced speed of 5.00 and continues on.

**physics**

A solid disk of radius 6.50cm and mass 1.65kg , which is rolling at a speed of 2.60m/s , begins rolling without slipping up a 10.0 slope.How long will it take for the disk to come to a stop?

**orchestra programs????????**

orchestra programs for teens in rockland county??? like a group of teens playing songs and they perform it (concert)

**theology class????**

I'm Christian and I'm applying to a catholic high school (due to the budget cuts in my district). The thing is that I'm required to take theology (Religion class) for four years of high school. ... I'm just wondering, it's theology interesting, fun... and s...

**distributive property**

What is the answer to this problem -7(10+7f)

**Algebra**

Find the distance d(P1,P2) between the points P1 and P2 P1=(-1,5);P2=(2,4) d(P1,P2)=

**Find the equation....**

Find the equation with the given properties. Express the equation in slope intercept form. Containing points p=(-4,-2) and Q=(-2,1) What is the equation of the line? y=

**geography**

What regions have low or high annual precipitation?

**Calculus**

Below is a table containing information about differentiable functions f and g: x: -2 -1 0 1 2 f(x): 4 3 5 2 1 f'(x):1 4 2 5 3 g(x): 5 2 1 3 4 g'(x):3 5 4 1 2 F(x) + g(x), G(x)=f(x) * g(x), H(x) = g(x)/f(x) Find F'(-1) Find G'(0) Find H'(-2)

**Calculus**

A man starts walking north at 4 ft/sec from point P. Five minutes later a woman starts walking south at 5 ft/sec from a point 500 ft due east of P. At what rate ae the people moving apart 15 minutes after the woman starts walking? Draw a diagram. 1) What rate is given? State a...

**Combinations and Permutations, Steve and Ms. Sue☺**

Hey izzy Slim shady is correct ALL THOSE ANSWERS ARE CORRECT

**third grade math**

Define 3-fracture

**Find the intercepts**

Find the intercepts and graph the equation. 3x+4y=12

**Finding the midpoint**

Find the midpoint of the line segment joining the points P1 and P2 P1=(3,2) P2=(-5,7) The midpoint is=

**chemistry**

A 337-\rm mL sample of unknown \rm HCl solution reacts completely with \rm Na_2CO_3 to form 17.1g \rm CO_2. What was the concentration of the \rm HCl solution?

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