Tuesday
July 28, 2015

Posts by ANONYMOUS


Total # Posts: 82,938

Algebra
Robert needs to cut for shelves from a board that is 2.5 m long. the second shelf is 18 cm longer than twice the length of the first shelf. the third shelf is 12 cm shorter than the first shelf. the remaining shelf is 4 cm longer than the first shelf. if Robert must use the ...
May 3, 2015

PHYSICS
When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This explosion blows much or all of a star's mass outward, in the form of a rapidly expanding spherical shell. As a simple model of the supernova process, assume that the star is a...
May 3, 2015

Math
Thank you Steve :).
May 3, 2015

Math
The ratio of a to b is 3 to 4, and the ratio of c to b is 1 to 2. What is the ration of a to c? F. 1 to 1 G. 3 to 1 H. 3 to 2 J. 3 to 8 K. 6 to 1
May 3, 2015

Math
Thomas and Jonelle are playing darts in their garage using the board with the point values for each region shown below. The radius of the outside circle is 10 inches, and each of the other circles has a radius 2 inches smaller than the next larger circle. All of the circles ...
May 3, 2015

Math
Thanks!!
May 3, 2015

Math
What would the grapg of 10/x look like? A. a straight line B. a parabola C. a curve*** D. none of the above What would the graph of y=3/4x - 7/8 look like? A. a straight line*** B. a parabola C. a curve D. none of the above y=x2 + 1 look like? A. straight line B. a parabola...
May 3, 2015

math
which function has the greater rate of change? x-axix: -1 | 0 | 1 | 2 | y-axis: 0 | 1 | 2 | 3 | the graph has a line and 3 dots on the line. the first dot is 0, -1 the second dot is 0, 1 the third dot is 1, 2 A. the rates of change are equal B. the graph has a greater rate of ...
May 3, 2015

Math
Thank you Ms. Sue :).
May 3, 2015

Math
40%
May 3, 2015

Math
On September 1, a dress was priced at $90. On October 1, the price was reduced by 20%. On November 1, the price was further reduced by 25% of the October 1 price and marked FINAL. What percent of the original price was the FINAL price? F. 40% G. 45% H. 55% J. 60% K. 77.5%
May 3, 2015

physics
,,
May 3, 2015

physics
vibrating a long spring with a succession of pulses with a frequency of 50Hz produces adjacent nodes that are separated by 3.5cm. what is the velocity of the longitudinal waves formed?
May 3, 2015

Math
I'm a little confused. Is the right equal to 2sin to the power of 2x-1?
May 3, 2015

Math
(sinx - cosx)(sinx + cosx) = 2sin^2x -1 I need some tips on trigonometric identities. Why shouldn't I just turn (sinx + cosx) into 1 and would it still have the same identity?
May 3, 2015

mth121
mth 121(solve the linear equation:2x+3y=3, x-2y=5 and 3x+2y=7.)
May 3, 2015

trigonometry
Solve cos(x)=0.07 on 0≤x<2π
May 3, 2015

Sociology
I need help choosing an object to describe me for a sociology project.
May 3, 2015

English
Why is it that Ray Bradbury wrote Fahrenheit 451 during the 1950s?
May 3, 2015

Math
There is more to it... Find the exact value tan^-1(tan(-22/15pi)) I just could not figure out how to find an exact value for tan(-22/15pi)
May 3, 2015

Math
Evaluate the following expressions tan(−22/15π)
May 3, 2015

Math
Is 8x^2 + x^2 - 7x - x + 2x + 5y - 3y equal to 9x^2 - 8x + 2y or 9x^2 - 6x + 2y?
May 3, 2015

math
55
May 3, 2015

ANT101
Sir Edward Burnett Tylor’s concept of survivals is best defined by which of the following? (Points : 1) Cultural traits change the least because they are the means by which a society copes with its environment. Primitive cultures have avoided extinction as more complex ...
May 2, 2015

PHYSICS
When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This explosion blows much or all of a star's mass outward, in the form of a rapidly expanding spherical shell. As a simple model of the supernova process, assume that the star is a...
May 2, 2015

Math
I need help proving this identity 1/cosx - cosx = sinxtanx
May 2, 2015

PHYSICS
A pipe 0.42 m long and closed at one end is filled with an unknown gas. The third lowest harmonic frequency for the pipe is 780 Hz. (a) What is the speed of sound in the unknown gas? (b) What is the fundamental frequency for this pipe when it is filled with the unknown gas?
May 2, 2015

PHYSICS
A uniform board is leaning against a smooth vertical wall. The board is at an angle above the horizontal ground. The coefficient of static friction between the ground and the lower end of the board is 0.750. Find the smallest value for the angle , such that the lower end of ...
May 2, 2015

ANT101
The ___ method of anthropology is useful in many different work settings. (Points : 1) marketing pedagogical statistical participant observation
May 2, 2015

PHYSICS
A hiker, who weighs 977 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 4500 N, and rests on two concrete supports, one on each end. He stops 1/6 of the way along the bridge. What is the magnitude of the force that a ...
May 2, 2015

PHYSICS
The figure shows a jet engine suspended beneath the wing of an airplane. The weight of the engine is 14600 N and acts as shown in the figure. In flight the engine produces a thrust of 55100 N that is parallel to the ground. The rotational axis in the figure is perpendicular to...
May 2, 2015

Math - Trigonometry
Reiny, are you still here. I need help quick. I'm really bad at trigonometric identities. I need help.
May 2, 2015

Math - Trigonometry
LS = 1/cosx - cosx/cosx = 1-cosx/cosx = sinx/cosx I know this answer is extremely wrong. I have no idea what to do.
May 2, 2015

Math - Trigonometry
I need help proving this identity 1/cosx - cosx = sinxtanx
May 2, 2015

Math - Trigonometry
I need help proving this identity 2sin^2x - 1 = sin^2x - cos^2x
May 2, 2015

Math - Trigonometry
I need help proving this identity cscx + secx = (cosx + sinx)(secx)(cscx)
May 2, 2015

Math
Thank you so much Ms. Sue. This question was confusing. Two times I kept getting 106.
May 2, 2015

Math
Barb is going to cover a rectangular area 8 feet by 10 feet with rectangular paving blocks that are 4 inches by 8 inches by 2 inches to make a flat patio. What is the minimum number of paving blocks she will need if all the paving blocks will face the same direction? (Note: ...
May 2, 2015

statistics
8.value: 10.00 points The fracture strength of a certain type of manufactured glass is normally distributed with a mean of 509 MPa with a standard deviation of 17 MPa. (a) What is the probability that a randomly chosen sample of glass will break at less than 509 MPa? (Round ...
May 2, 2015

Economics
Once we have made these assumptions, what is the question?
May 2, 2015

French
Thank you very much! Just to clarify for the first one, if it were in the je form, would the command still be "Prends des salades"?
May 2, 2015

French
I have some questions about the imperative. 1. Prends les salades! How can one tell if this is an order to you or myself, as the conjugations for both tu and je are the same for "prendre"? 2. Is "acheter" a regular or irregular verb? I want to know whether ...
May 2, 2015

life orientation
Because they need help its important to their lives
May 2, 2015

Physics
A 1.4-kg object moves along the x axis, subject to the potential energy shown in the figure. If the object's speed at point B is 1.70 m/s, what are the approximate locations of its turning points? ___________m (left-hand turning point) ___________m (right-hand turning ...
May 2, 2015

Physics
A 1.4-kg object moves along the x axis, subject to the potential energy shown in the figure. If the object's speed at point B is 1.70 m/s, what are the approximate locations of its turning points? ___________m (left-hand turning point) ___________m (right-hand turning point)
May 2, 2015

Math
A fan with a diameter of 10cm is spinning at 25 revolutions per minute clockwise. The fan's reference blade starts pointing directly upwards. Determine an equation for a sinusoidal function that represents the fan's reference blade's vertical distance from the ...
May 1, 2015

algebra
x=-7,x=7,x=5/6
May 1, 2015

Math- Trigonometric Functions
I need help please. I have to finish this question.
May 1, 2015

Math- Trigonometric Functions
A fan with a diameter of 10cm is spinning at 25 revolutions per minute clockwise. The fan's reference blade starts pointing directly upwards. Determine an equation for a sinusoidal function that represents the fan's reference blade's vertical distance from the ...
May 1, 2015

chemistry
What is the root mean square speed of argon gas at 300 K? 1. 4.33 × 102 m/s 2. 1.37 × 101 m/s 3. 3.96 × 102 m/s 4. 4.30 × 101 m/s 5. 5.92 × 102 m/s
May 1, 2015

chemistry
Given a percent yield of 45.0% for the reaction: H2 + Cl2 → 2 HCl(g) How many moles of HCl gas are produced if 15.5 L of Cl2 at STP and excess H2 are reacted? 1. 0.769 mol 2. 0.346 mol 3. 0.622 mol 4. 3.08 mol 5. 1.38 mol 6. 0.156 mol
May 1, 2015

Social studies
How did the Cold War affect South Carolina? A. Military bases were reopened or built in the state*** B. the Soviet Union became a trade partner C. Communism became a popular political system D. The state experienced an economic recession
May 1, 2015

Social Studies
Thank you:)
May 1, 2015

Social Studies
How did changes in society caused by world war 2 affect blacks? A. Public schools were desegregated during the 1940s B. Black soldiers returning from war no longer encountered discrimination C. For the first time blacks were needed for factory work*** D. Units such as ...
May 1, 2015

P.E.
sorry if u feel like that!
May 1, 2015

P.E.
It's Dependence!!
May 1, 2015

P.E.
___________________ is when the brain develops a chemical need for a substance Intoxication*** Withdraw Detoxification Dependence
May 1, 2015

Chemistry
Imagine that you have a 6.00L gas tank and a 3.00L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 125atm , to what pressure should you fill the...
May 1, 2015

P.E.
thanks!! Sorry for me being silly.
May 1, 2015

P.E.
I now this! I looked it over and know I feel stupid!! It would be definitely definitely a!! I am sure, just to make sure am I right??
May 1, 2015

P.E.
OK!! Sorry:(:( I will Google the words and then try again.
May 1, 2015

P.E.
a person who wakes up after a night of binge drinking and feels nauseous and has a headache probably Has a hangover Has cirrhosis Is having a blackout Has a concussion***
May 1, 2015

Chemistry
Aluminum granules are a component of some drain cleaners because they react with sodium hydroxide to release both heat and gas bubbles, which help clear the drain clog. The reaction is 2 NaOH(aq) + 2 Al(s) + 6 H2O(ℓ) −→ 2 NaAl(OH)4(aq) + 3 H2(g) What mass of ...
May 1, 2015

Chemistry
305.3333
May 1, 2015

Chemistry
Nitric acid can be produced by the reaction of gaseous nitrogen dioxide with water. 3 NO2(g) + H2O(ℓ) −→ 2 HNO3(ℓ) + NO(g) If 916 L of NO2 gas react with water, what volume of NO gas will be produced? Assume the gases are measured under the same ...
May 1, 2015

P.E.
thx!!
May 1, 2015

P.E.
I checked the answers and I think it is B.
May 1, 2015

P.E.
yes Ms. Sue I do know what Intoxicated is. It is when someone drinks and loses their mind and change their behavior! BTW, thanks Dove but I would like Ms. Sue to confirm for me!
May 1, 2015

P.E.
A person suffered a head injury, was unconscious for a few minutes, and is now sleepy and disoriented. This person likely Is intoxicated*** Has a concussion Is having a seizure Has meningitis
May 1, 2015

P.E.
OK! I just realzied that i did not eter the answer choices correctly, they are suppose to be:- Is made up of the brain and spinal cord Links the body to the brain Is made up of sensory and motor neurons Is responsible for thought and reasoning
May 1, 2015

P.E.
is it a and c??
May 1, 2015

P.E.
thanks!
May 1, 2015

P.E.
The peripheral nervous system (Select all that apply) Is made up of the brain and spinal cord Links the body to the brain Is made up of sensory and motor neurons*** Is responsible for thought and reasoning***
May 1, 2015

Language arts
Whose attitude toward Scrooge is most severe
May 1, 2015

ANT101
"In most situations, the first-born male has priority to inherit the chieftainship (primogeniture)" (Nowak & Laird, 2010, p. 177). Suppose you write the following in a post/paper: In most cases, the first-born male has priority to inherit the chieftainship (Nowak & ...
May 1, 2015

ANT101
"In Tikopia, when the paramount chief dies, there is an election among the lesser chiefs to replace him" (Nowak & Laird, 2010, p. 177). Suppose you write the following in your post or paper: When a Tikopian chief who rules over other chiefs dies, the chiefs beneath ...
May 1, 2015

ANT101
It is okay to use as many direct quotations as you want in a post/paper, as long as you properly acknowledge them. (Points : 1) No. You should use quotations sparingly to underscore your points, not to present a large body of information or make your points for you. Yes, you ...
May 1, 2015

ANT101
is it C
May 1, 2015

ANT101
Which one of these is not the best way to provide in-text citation? (Points : 1) According to Jones (1998), "Students often had difficulty using APA style, especially when it was their first time" (p. 199). According to Jones (1998), the first time is the hardest ...
May 1, 2015

Math
So then could it be represented by pi(n)/2 ?
May 1, 2015

Math
How to find the asymptotes of k(x) = 0.5csc(2x)?
May 1, 2015

math .
louisville is 14 mi due north of farmville, stanton is due east of farmville, and louisville is 25 mi from stanton. how far apart are farmville & stanton? round to the nearest tenth (of a mile). -- im not sure how to do this problem
May 1, 2015

Lang arts
No he lied it can be both A or B.
May 1, 2015

Math
30.45
May 1, 2015

physics
a spherical balloon of diameter 2m is filled with helium.Assume STP .how much is contained in the balloon helium
May 1, 2015

HEALTH (check answers)
All right, i also took this quiz earlier, both of you are correct :)
May 1, 2015

Science
How does the structure of epithelial tissue function to prevent dehydration?
April 30, 2015

Science
What type of tissue do you think the wall of the villi is made from? Is it connective tissue or maybe epithelial tissue?
April 30, 2015

Trigonometry
Yes, the origin is an x-intercept here. So how can I find the y-intercept in a function such as y = -2 sin(x - (pi/2)). I want to know from where to begin graphing, from the minimum or maximum value.
April 30, 2015

Trigonometry
Suppose I'm graphing a graph like j(x) = -2 sin 4x. How can I tell if the origin is an x-intercept for it?
April 30, 2015

Math 12
What is the probability of being dealt four cards of a kind in a five card hand? I know it is 0.00024, but I need this as a fraction and I don't know how to do that.
April 30, 2015

Science
Does the circulatory system make hormones, or merely distribute them after they are made in endocrine tissues?
April 30, 2015

Math
Correction on answer choice B -8x^20 y^8*
April 30, 2015

Math
Which of the following expressions is equivalent to (-2x^5 y^2)^4 A. -16x^20 y^8 B. -8x^10 y^8 C. -8x^9 y^6 D. 16x^9 y^6 E. 16x^20 y^8
April 30, 2015

Math
Thank you Ms. Sue :).
April 30, 2015

Math
She would save an hour of actual driving time.
April 30, 2015

Math
Kaya drove 200 miles in 5 hours of actual driving time. By driving an average of 10 miles per hour faster, Kaya could have saved how many hours of actual driving time? A. 1 / 6 B. 2 / 3 C. 7 / 10 D. 1 E. 4
April 30, 2015

math
The ferris wheel shown makes 12 revolutions per ride.how far would someone travel during one ride
April 30, 2015

Algebra 1
4/y *16y^2=64y
April 30, 2015

Math
right on the second. wrong on the first. forget the 9 owed. his portion of the bill is 5 dollars, to that add your portion
April 30, 2015

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