Saturday
October 25, 2014

Posts by SaRa


Total # Posts: 3,748

Thesis statement
Because it makes families closer
October 24, 2014

Thesis statement
i'm talking about why family relationships are important
October 24, 2014

Thesis statement
I need help writing a thesis statement about family relationships
October 24, 2014

math
You are the financial planner for Johnson Controls. Assume last year’s profits were $760,000. The board of directors decided to forgo dividends to stockholders and retire high-interest outstanding bonds that were issued 5 years ago at a face value of $1,420,000. You have ...
October 23, 2014

please help
Choose the answer that identifies the nominative case pronouns. I, you, he, she, it, us, you, they I, you, he, she, it, we, you, they I, you, he, she, it, we, you, them I, you, he, she, its, we, you, they # 3 is the answer?
October 23, 2014

Grammar
1. Choose the answer that identifies the three cases of pronouns. nominative, objective, possessive nominative, antecedent, objective objective, possessive, prepositional objective, indefinite, possessive**** My answer
October 23, 2014

physical science
calculate the force output by the larger piston of a hydraulic lift when a force of 700 newtons is excerted on the smaller piston and the areas of the two pistons are 20cm and 950cm squared.
October 21, 2014

math
A golf cart has either 3 or 4 wheels. John checked all 25. How many 3 wheeled how many 4 wheeled
October 21, 2014

physic
A ball is thrown toward a cliff of height h with a speed of 28m/s and an angle of 60∘ above horizontal. It lands on the edge of the cliff 3.3s later. a) How high is the cliff? i got 26.7 m b) What was the maximum height of the ball? my answer here was 30 m C) What is the...
October 21, 2014

Perimeter and Area
The set of points (2, 3), (9, 3), (9, 2), and (2, 2) identifies the vertices of a quadrilateral. Which is the most specific description to tell which figure the points form? parallelogram square rectangle trapezoid
October 21, 2014

physic
Thanks Damon, I realized that I forgot to multiply my velocity by time (3.3). I tried to do the next part but my answer is not right. can you double check this? c) What is the ball's impact speed? I found fall time 3.3-2.47=0.83s then I used this formula V1=V0+gt = 0+9.80*...
October 21, 2014

physic
A ball is thrown toward a cliff of height h with a speed of 28m/s and an angle of 60∘ above horizontal. It lands on the edge of the cliff 3.3s later. a) How high is the cliff? i got -29.2 m but my answer is wrong b) What was the maximum height of the ball? im not sure ...
October 21, 2014

math
I labeled a clock, dice, and straight line A,B,C,D and with the chart below them it says to use those points to label and name representations of each of the following table: ray, line, line segment, and angle. Extend segments to show lines and rays. Need help because I'm ...
October 21, 2014

statistics
Use the z-table to find the requested probabilities. Enter your answers to 4 decimal places. (a) P(z < −1.02) = Incorrect: Your answer is incorrect. (b) P(z ≥ 2.43) = (c) P(−1.80 < z < 1.36) =
October 20, 2014

statistics
Assume heights and weights are normally distributed with the given means and standard deviations from the table below. Strata Mean Standard Deviation Mean Standard Deviation Height Height Weight Weight (inches) (inches) (pounds) (pounds) U.S. Men 69.3 2.8 191 28 U.S. Women 64....
October 20, 2014

statistics
The bass in Clear Lake have weights that are normally distributed with a mean of 1.9 pounds and a standard deviation of 0.8 pounds. (a) If you catch 3 random bass from Clear Lake, find the probability that the mean weight is less than 1.0 pound. Round your answer to 4 decimal ...
October 20, 2014

statistics
Potatoes - Samples: Assume the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.0 ounces and a standard deviation of 1.3 ounces. He bags his potatoes in groups of 6. You buy a bag and the total weight is 42 ounces. Here we determine how lucky or ...
October 20, 2014

AP Chemistry
What is the change of enthalpy associated with the combustion of one mole of pentane? C5H12 + 8O2 ¨ 5CO2 + 6H2O I'm very confused, Please help!
October 19, 2014

math
How to solve for t 2465=204.8t+4.6t^2
October 19, 2014

physics
Traveling at a speed of 12.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.740. What is the speed of the automobile after 1.42 s have elapsed? Ignore the effects of ...
October 18, 2014

chemistry
which of the following is consistent with the line spectrum of the hydrogen atom? one of the choices is the nucleus is udnergoing gamma decay. but this si not one of the answers. Im just wondering what kind of decay happens?
October 18, 2014

research help
I need help with some research topics for a paper?
October 17, 2014

Biology
how does a change in the sequence of nucleotides in a strand of DNA might cause a protein to malfunction.
October 16, 2014

Biology Help
how does the structure of a cellulose molecule relates to the molecule’s function?
October 16, 2014

math
Ralph bought 4 books for k dollars each. Iris bought 5 books for k dollars each. If together they spend 90 dollars, how much is each book? 4k+5k=90 so 9k=90 90/9=10 so $10 each
October 16, 2014

math
Rhonda bakes p pies. Mary bakes 3p pies. If together they bake 20 pies, how many pies does Mary bake?Rhonda bakes p pies. Mary bakes 3p pies. If together they bake 20 pies, how many pies does Mary bake? I would've thought p+3=20 so 20-3=17 making it p=17 but not sure that ...
October 16, 2014

math
solve this equation a divided into 7=20 the actual problem has the divide sign. I got a=20*7 so a=140
October 16, 2014

math
solve this equation a divided into 7=20 the actual problem has the divide sign. I got a=20*7 so a=140
October 15, 2014

physics
Alice ((7.500x10^1) kg) and Bob ((8.5x10^1) kg) are standing at rest on friction free ice. Alice pushes Bob causing Bob to accelerate at (2.300x10^0) m/s^2. What is the magnitude of Alice’s acceleration?
October 15, 2014

physics
A (1.35x10^2) kg box is falling near Earth’s surface. It is accelerating at (7.3000x10^0) m/s^2 [D]. What is the force of air resistance on the box?
October 15, 2014

vocabulary help
When the realtor realized that there was a large dent in the floor, he tried to __________ cover it before the potential buyers noticed it. flagrantly ostensibly (my answer) surreptitiously latently Choose the word that best completes the sentence. After traffic made them late...
October 15, 2014

Check my answers
Question 1.Choose the answer that identifies the case of the parentheses word. My grandparents always go to the square dances with the Warrens and (them). nominative objective possessive *** my answer none of the above Question 2. Choose the pronoun that best completes the ...
October 15, 2014

math
Manuel painted 4 houses over the summer. John painted x houses. Patrick painted 2 houses. They painted 9 houses in all. How many houses did John paint? Not sure if it's x-(4+2)=9 or is it x+(4+2)=9
October 15, 2014

math
Max has 5 more than twice as many cookies as Chris. Write an expression that shows the number of cookies Max has if Chris has c cookies. 5+2x=c Not sure please help.
October 15, 2014

math
5 less than three times the number of chipmunks. We got 3x-5 but weren't sure.
October 14, 2014

phys
An electron of kinetic energy 50 keV moves in a circular orbit perpendicular to a magnetic field of 0.405 T. Find the radius of the orbit. I tried using KE=mv^2/2 to find velocity. then using qBv=(mv^2)/r to solve for r. but my answer was wrong. I am pretty sure this is the ...
October 14, 2014

Proves
4
October 14, 2014

Perimeter and Area
Which best describes the polygon whose vertices in the coordinate plane are (2, 3), (2, 3), (2, 1), (2, 1)? only equilateral only equiangular regular none of these
October 14, 2014

Perimeter and Area
Which best describes the polygon whose vertices in the coordinate plane are (5, 5), (0, 5), (0, 0), (5, 0)? only equilateral only equiangular regular none of these
October 14, 2014

Lasting Influences
i chose history but i'm having trouble explaining it
October 14, 2014

Lasting Influences
What of these Greek achievements was the most contribution to greek culture and explain. Military strategy Art and architecture Literature Drama History Philosophy Government
October 14, 2014

Next Big Trend?
what are two trends that can be expected to see in American stores next year?
October 13, 2014

Algebra help
Given f(x) = 5x 1. What is f(2)? is it 9?
October 13, 2014

Business Math
Andres Michael bought a new boat. He took out a loan for $23,980 at 3.75% interest for 4 years. He made a $4,470 partial payment at 4 months and another partial payment of $3,180 at 9 months. How much is due at maturity?
October 10, 2014

business math
Andres Michael bought a new boat. He took out a loan for $23,980 at 3.75% interest for 4 years. He made a $4,470 partial payment at 4 months and another partial payment of $3,180 at 9 months. How much is due at maturity?
October 10, 2014

physics
An astronaut is traveling in a space vehicle moving at 0.520c relative to the Earth. The astronaut measures her pulse rate at 74.0 beats per minute. Signals generated by the astronaut's pulse are radioed to the Earth when the vehicle is moving in a direction perpendicular...
October 10, 2014

math
13 2/5 - 4 1/5 = 9 1/5
October 10, 2014

math
Yeah, you could of used a calculator, it would save a lot of time
October 10, 2014

stats
Suppose that f(x) = 1:5x2 for -1 < x < 1 (0 elsewhere). Determine the following probabilities: (a) P(X > 0) (b) P(X > 0:5) (c) P(-0.5 < X </= 0.5) (f) Determine x such that P(X > x) = 0.05 (g) Find the cdf of X. could someone just get me started...
October 8, 2014

algebra
What is the solution to the linear system of equations? x + 4y = 8 x y = 7 (4, 3) (4, 3) (7, 0) The system has no solution.
October 8, 2014

math help
What is the solution to the linear system of equations? x + 4y = 8 x y = 7 (4, 3) (4, 3) (7, 0) The system has no solution.
October 8, 2014

math help
Given f(x) = x 10. What is f(7) i think its -10
October 8, 2014

help plz
Which relation is a function? {(5, 1), (4, 9), (6, 10)} {(0, 3), (0, 9), (12, 4)} {(5, 5), (5, 9), (5, 15)} {2, 10), (6, 10), (2, 3)} the third one?
October 7, 2014

math help
I think the answer is:Domain: {4, 0, 8}; Range: {2, 1, 5, 10}
October 7, 2014

math help
What are the domain and range of the relation {(4, 2), (0, 1), (0, 5), (8, 10)}?
October 7, 2014

Sewing and Technology
What color should the thread on the bobbin be? a color that complements the thread spool a darker color than the thread spool a color that contrasts with the thread spool the same color as the thread spool number2?
October 6, 2014

Sewing and Technology
Basting stitches would be best used for which of the following purposes? delicate beadwork temporarily holding fabric adding an appliqué creating a hem I think its the 3rd one?
October 6, 2014

Sewing and Technology
i think its the first one?
October 6, 2014

Sewing and Technology
foot pedal bobbin thread guide needle
October 6, 2014

Sewing and Technology
The speed at which the machine sews is controlled by the
October 6, 2014

Sewing and Technology
Television design shows can be a good source for designers. true or false
October 6, 2014

Sewing and Technology
Which of the following represents the correct formula for calculating the amount of fabric needed to make a curtain? A. length x width) + seam allowance B. (length x seam allowance) + width C. (length + seam allowance) x (width + seam allowance) D.(seam allowance x 2) + (...
October 6, 2014

English
Him is the correct one.
October 6, 2014

math
At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 24 knots and ship B is sailing north at 25 knots. How fast (in knots) is the distance between the ships changing at 5 PM? I have tried multiple times but keep getting confused.
October 5, 2014

Analytic Geometry CHECK MY ANSWER
What is the slope of the line that passes through the points (2, 3) and (2, 6)? Option A: -3/2 Option B: -3/4 (MY ANSWER) Option C: 3/4 Option D: 0
October 3, 2014

Analytic Geometry CHECK MY ANSWER
A neighborhood swim club charges a one-time fee of $25 to join and $85 each month. If n is the number of months of membership and t is the total amount spent, then the variables are related by the equation t = 85n 25. Which variable is the independent variable? A.t B.n C. ...
October 3, 2014

math
f(x, y) = 3y cos x, 0 ¡Ü x ¡Ü 2¦Ð what is the saddle point for this?
October 2, 2014

organic compounds
Discuss the types of trace elements in organic compounds.
October 1, 2014

slopes
thanks :)
October 1, 2014

slopes
what is the slope of the line (4,9) and (2,9)?
October 1, 2014

physics
A cannon is fired horizontally from a platform . The platform rests on a flat, icy, frictionless surface. Just after the shell is fired and while it is moving through the barrel of the gun, the shell (mass 3.2 kg) has an acceleration of 12500 m/s2. At the same time, the cannon...
September 30, 2014

Threading a machine
How do you thread a sewing machine?
September 30, 2014

Good Neighbor Day
What are some ways you can be a good neighbor?
September 30, 2014

stats and prob
Consider a sequence of independent Bernoulli trials with p= 0.2 a) what is the expected number of trials to obtain the first success? for this I thought of it as geometric so 5 trials b) after the eighth success occurs, what is the expected number of trials to obtain the ninth...
September 30, 2014

chemistry
i got 6.667. what does this mean?
September 27, 2014

chemistry
an electron in n=5 emits 4052 nm to what energy level does the electron move
September 27, 2014

physics
In a TV set, an electron beam moves with horizontal velocity of 2.5 × 107 m/s across the cathode ray tube and strikes the screen, 44 cm away. The acceleration of gravity is 9.8 m/s2 . How far does the electron beam fall while traversing this distance? Answer in units of m
September 27, 2014

chem
The electron in a ground state H atom absorbs a photon of wavelength 121.57nm, to what energy level does the electron move?
September 27, 2014

Chemistry of Life
thank you!!!!!!
September 26, 2014

Chemistry of Life
Which statement is true about water molecules? The oxygen atom has a negative charge. The hydrogen atoms do not share electrons. Water molecules move randomly around each other. Water molecules cannot dissolve many substances. Question 2. How does water relate to the ability ...
September 26, 2014

math
Which equation is equivalent to 3x + y = 5? (Points : 1) y = 5 3x y = 5 + 3x y = 3x 5 y = 3x 5
September 26, 2014

Algebra HELP PLEASE
No the choices are these: (3, 11) (2, 1) (1, 3) (5, 5)
September 26, 2014

Algebra HELP PLEASE
Which is a solution to the equation y = 2x 5?
September 26, 2014

physics
if a man moving away with the speed of 0.5 of sound from a stationary sound source producing a sound of frequency , he would hear a sound of frequency
September 25, 2014

trignometry
prove that the area of any triangle XYZ is y^2*sin(x)*sin(z)/2*sin(y)
September 25, 2014

trignometry
prove that the area of any triangle XYZ is y^2*sin(x)*sin(z)/2*sin(y)
September 25, 2014

Plz Hellp
Wanda took out a personal loan for $16,000 at 9% simple interest. How much interest will she pay after 5 years? Suppose she pays off the loan in 3 years instead of 5 years. How much money will she save in interest?
September 24, 2014

math
yes
September 24, 2014

math
number 1 is d and number2 is b
September 24, 2014

Algebra
Wanda took out a personal loan for $16,000 at 9% simple interest. How much interest will she pay after 5 years? Suppose she pays off the loan in 3 years instead of 5 years. How much money will she save in interest?
September 24, 2014

Science
smallest unit that consists of at least one atom A. Protons B. Neutrons C. Electrons D. Molecules Im thinking D but im not sure i don't remember.
September 24, 2014

MATH-Help!
A new set of car tires has a tread depth of 8 millileters. The tread depth decreases 0.12 millimeter per thousand miles driven. Write an equation that gives the tread depth as a function of the distance driven. Then predict what distance the tread depth will be 2 millimeters....
September 23, 2014

Grammar
1. Choose the answer that identifies the form of the verb in the sentence. Cindy is painting her room purple. present present participle past past participle Question 2. Choose the answer that identifies the tense of the verb in the sentence. Has the rain stopped yet? past ...
September 23, 2014

math
The wave heights h in the open sea depend on the speed v of the wind and the length of time t that the wind has been blowing at that speed. Values of the function h = f(v, t) are recorded in feet in the following table. the values that you need on the table are.. 20hr/30 knots...
September 23, 2014

math
a radio uses one-third the number of watts used by lamp, and a heater that uses 15 times as many watts as a lamp. when all are in use, the total electrical power is 1.1 kilowatts how many does the radio use?
September 23, 2014

Chemistry
How many carbon atoms are contained within 10.0 pounds of sugar, (sucrose) which has the formula c12h22o11?
September 22, 2014

Chemistry
Suppose a metal worker shapes a 3.4 mg piece of gold until it is a thin, perfectly square plate that is uniformly 8.6x10^-6 cm thick. What is the length of a side of the plate, in cm?
September 22, 2014

Empires
I need help to compare and contrast the Babylonian and Hittite empires
September 22, 2014

geography
How does chinas geography influence how people live in china?
September 22, 2014

geography
How did the geography of China affect the development of early civilization there?
September 22, 2014

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