Saturday
September 5, 2015

Posts by Anonymous


Total # Posts: 83,895

Math
Which hill described in the table is the steepest? (Table) Street: Horizontal (ft): Vertical Rise (ft): Dixie Hill 60 20 Bell Hill 60 40 Liberty Hill 60 30 A. Bell Hill; it rises 2/3 foot for every 1 foot of horizontal travel. B. Dixie Hill; it rises 1 foot for every 3 feet of...
May 4, 2015

computer
thanks
May 4, 2015

computer
plz helpz
May 4, 2015

computer
Why do we need information?
May 4, 2015

math
the answer is $2.22. you can get the answer by adding how much Dan spent on the berries, $4.53, and peaches, 13.25 all together, and subtracting that number from the $20 dollars he paid. :-)
May 4, 2015

chemistry
a 12ml sample of 0.4m silver nitrate solution is mixed with 8 ml of 0.8m sodium chloride solution. determine the identity of precipitate and the number of grams produced.
May 4, 2015

Math
Carmen and Susan are members of their school’s running club. The length of the circular track at the school is 1/10 of a mile. In the time it takes Carmen to run 3 times around the track, Susan runs 4 times around the track. A. In the time it takes Carmen to run 12 times ...
May 4, 2015

physics
Find the total change in the internal energy of a gas that is subjected to the following two-step process. In the first step the gas is made to go through isochoric heating until it gains 5963 J and its pressure is 3.12 105 Pa. In the second step it is subjected to isobaric ...
May 4, 2015

science
correct, thank you
May 4, 2015

science
When a tennis ball smashes into a tennis racket, the ball temporarily changes shape as it compresses against the racket. Which type of energy is temporarily stored with the ball as it is compressed? (1 point) elastic potential kinetic electrical potential
May 4, 2015

English
no :)
May 4, 2015

science
3. A 10.0-kg animal is running at a rate of 3.0 m/s. What is the kinetic energy of the animal? (1 point) a. 3.3 J b. 30.0 J c. 45.0 J d. 90.0 J
May 4, 2015

science
that was correct, thank you:)
May 4, 2015

science
Two identical masses are moving down a slope. One mass is traveling twice as fast as the other mass. How does the kinetic energy of one mass compare to the other? a. The faster object has the same kinetic energy as the slower object. b. The faster object has less kinetic ...
May 4, 2015

Ms. Sue PLZ HELP!!!(science)
Levi Ackerman IT IS Y,Z,X/ I checked my book!!
May 4, 2015

Ms. Sue PLZ HELP!!!(science)
THX!!
May 4, 2015

Ms. Sue PLZ HELP!!!(science)
A portion of the amino acid sequence of an enzyme from a worm is shown below: -Q-Q-Q-Q-N-N-N-C-C Analyze the same potion of the same enzyme taken from several other organisms. Place them in order from most closely related to the worm to most distantly related to the worm. -Q-...
May 4, 2015

math
Joe starts a gym. In the first year, 300 people join. If the membership grows at an annual rate of 4%, how many members will there be after 5 years?
May 4, 2015

math
1. A(-3;4) is a point on a circle with centre at the origin. a.determine the coordinates of B, if AB is a diameter. b. Show that point C(0;5) lies on this circle. c.show that ACB has a magnitude of 90degrees. 2.a.ddetermine the equation of the circle with AC as diameter, if A ...
May 4, 2015

Precal
Evaluate the limit of f(g(x)) as x approaches 0. F(x)= 4x-4 G(x)= 8x+1
May 4, 2015

creative expression and play
i think that it is a
May 4, 2015

creative expression and play
Historically, toys have reflected the times in which they have been created. today's children sometimes play with media related figures taht: A. limit the imaginative possibilities of creative play B. develop the range of visual parameters C. encourage technological ...
May 4, 2015

math
The side of a square is measured to be 16 ft with a possible error of ±0.1 ft. Use differentials to estimate the error in the calculated area. Include units in your answer.
May 4, 2015

Art and Creative Development
i think A
May 4, 2015

Art and Creative Development
it is appropriate for teachers to comment on mass or volume when discussing: A.clay work B. collage C. pictures D. colored patterns
May 4, 2015

Art and Creative Development
i think it is B or D
May 4, 2015

Art and Creative Development
most three dimensional creation will require some sort of: A. clay or play-dough B. props C.paper bases D. fixative or fastener
May 4, 2015

math
What is the maximum volume in cubic inches of an open box to be made from a 12-inch by 16-inch piece of cardboard by cutting out squares of equal sides from the four corners and bending up the sides? Your work must include a statement of the function and its derivative. Give ...
May 4, 2015

Stoichiometry
2H2O(l)  O2(g)  2SO2(g) → 2H2SO4(aq) If 50.0 g of sulfur dioxide from pollutants reacts with water and oxygen found in the air, how many grams of sulfuric acid can be produced? How many grams of oxygen are used in the process?
May 4, 2015

english
Zorros lemon tree produce too much fruit she gave them away therefore to have friends and neighbors
May 4, 2015

english
David asked “if the Week 4 assignment needed to be uploaded to Waypoint.”
May 4, 2015

math
The position function of a particle in rectilinear motion is given by s(t) s(t) = t3 – 9t2 + 24t + 1 for t ≥ 0. Find the position and acceleration of the particle at the instant the when the particle reverses direction. Include units in your answer.
May 4, 2015

PHYSICS
Please help me, I don't understand how to solve this: 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...
May 4, 2015

maths
solve the following systems of equation 5x+3y+z=-34 x-3y+2z=13 14x-2y+3z=-53
May 3, 2015

chemistry
What volume of 3.00M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.400M Na2CO3?
May 3, 2015

physics
A cube has a density of 2200kg/m3 while at rest in the laboratory. What is the cube's density as measured by an experimenter in the laboratory as the cube moves through the laboratory at 81.0{\rm \\%} of the speed of light in a direction perpendicular to one of its faces?
May 3, 2015

Math--ONE QUESTION
Use arrow notation to describe the translation of point P(-9 , 8) to point (-14, 0). (x,y) -> (x + 5,y -8) (x,y) - > ( x - 8, y + 5) (x,y) -> (x - 5, y + 8) (x,y) -> (x - 5, y - 8 )
May 3, 2015

Math Trigonometric Identities
1/sinx - sinx = cosx/tanx
May 3, 2015

Math HELPPP!
Andrew's dog Bubba has an exercise area behind the house. A stake in the ground has a 12 foot rope tied to it. The other end of the rope is fastened to Bubba's collar. If Bubba travels in a circular path around the stake. What is the largest Circumference allowed by ...
May 3, 2015

Math
That leaves me with x > 6
May 3, 2015

Math
The solution set of radical(x - 1) (is greater than sign) 5 is the set of all real numbers x such that: F. x (is greater than sign) 4 G. x (is greater than sign) 6 H. x (is greater than sign) 24 J. x (is greater than sign) 25 K. x (is greater than sign) 26
May 3, 2015

Math
The measure of each interior angle of a regular polygon with n sides is [(n - 2)180 / n] degrees. What is the measure of each interior angle of a regular polygon with n sides, in radians? A. (n - 2)pi / 4n B. (n - 2)pi / 2n C. (n - 2)pi / n D. (n - 2)2pi / n E. (n - 2)4pi / n
May 3, 2015

Physics
Prove that if an object is at a distance of twice the focal length from a lens the image is the same size as the object. Show this using an algabraic method.
May 3, 2015

Math
If tan A = a / b, a (is greater than sign) 0, b (is greater than sign) 0, and 0 is (less than sign) A (is less than sign) pi / 2, then what is cos A? a. a / b B. b / a C. a / radical(a^2 + b^2) D. b / radical(a^2 + b^2) E. radical(a^2 + b^2) / b
May 3, 2015

Math trigonometric Identities
Is this correct? (sinx - cosx)^2 = 1 - 2sinxcosx LS = sin^2x - 2sinxcosx + cos^2x = 1 - cos^2x - 2sinxcosx + cos^2x = 1 - cos^2x + cos^2x - 2sinxcosx = 1 - 2sinxcosx LS = RS
May 3, 2015

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

l.o
list and discuss any four factors that could threaten or limit the core function
May 2, 2015

Statistics
fdasf
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

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