Saturday
July 4, 2015

Posts by SAra


Total # Posts: 4,086

physics
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population of around 500 000 people and Milton (part of Halton Region) has a population of around 85 000 people. Assuming all people in Halton use the same ...
November 15, 2014

physics
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population of around 500 000 people and Milton (part of Halton Region) has a population of around 85 000 people. Assuming all people in Halton use the same ...
November 15, 2014

physics
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population of around 500 000 people and Milton (part of Halton Region) has a population of around 85 000 people. Assuming all people in Halton use the same ...
November 15, 2014

Statistics Help!
Please help! In a combined study of northern pike, cutthroat trout, rainbow trout, and lake trout, it was found that 22 out of 845 fish died when caught and released using barbless hooks on flies or lures. All hooks were removed from the fish. Let p represent the proportion of...
November 12, 2014

math
Use Green's Theorem to evaluate F(x, y) = y cos x − xy sin x, xy + x cos x , C is the triangle from (0, 0) to (0, 4) to (2, 0) to (0, 0) I kind of understand how to do this , but I am having trouble with the trig
November 11, 2014

Square Roots
Between what two consecutive integers does the square root of 124 lie? 11 and 12 12 and 13 13 and 14 14 and 15
November 11, 2014

math
Use Green's Theorem to evaluate the line integral along the given positively oriented curve. integral of xy2 dx + 4x2y dy C is the triangle with vertices (0, 0), (2, 2), and (2, 4)
November 11, 2014

CS
what would the output of this code be? int startDay = 6; int day = 22; switch(startDay) { case 5: day += 1; case 6: day = day + 1; case 0: ++day; case 1: day++; case 2: day += 1; default: day = day + 1; } printf("day: %d\n", day); the answer is 27, but i thought it ...
November 10, 2014

physics
A 7.75 kg(75.95 N)box is placed on a 29.7° incline on top of a lab table. The ramp is 3.11 m long, at the bottom of the incline the box slides horizontally for a short distance before rolling off the lab table. If the table is 0.84 m high, find how far from the table the ...
November 9, 2014

Shakespeare
Why is Shakespeare’s work still worth reading?
November 7, 2014

sbmjc
how many moles of methane is required to produce g of co2 after the complete combustion ?
November 6, 2014

Physics
A large flatbed truck hauls a heavy wood crate as shown. The crate is not tied down and simply rests on the metal bed of the truck. Find the maximum acceleration the truck can have if the crate is not to slide along the truck bed. (Static friction is 0.5 and kinetic friction ...
November 5, 2014

Physics
The 56 kg man in the roller coaster car is sitting on a bathroom scale. If he is traveling at 40.9 m/s at the point shown and the radius of the vertical coaster track is 87 meters, to the nearest newton what does the scale read? What is the answer to the previous problem if ...
November 2, 2014

Chemistry
Find the mass of each of the following: (a) 5.52 L O2 at 1.89 atm and 250.0 K (b) 3.43 L NH3 at 0.911 atm and 27°C (c) 117 mL SO2 at 0.823 atm and -53°C
November 2, 2014

chemistry
Thanks
November 2, 2014

chemistry
What is the eq.wt of C7H6O3 and why ??😊
November 2, 2014

Chemistry
A sample of oxygen that occupies 1.00 x 10^6 mL at 575 mm Hg is subjected to a pressure of 1.20 atm. What will the final volume of the sample be if the temperature is held constant?
November 2, 2014

chemistry
What is the eq.wt of C7H6O3 and why ??😊
November 2, 2014

chemical
Ican't found the answer
November 2, 2014

chemical
What the eq.wt of C7H6O3 and why?
November 2, 2014

Calculus
A right circular cylinder is changing shape. The radius is decreasing at the rate of 2 inches/second while its height is increasing at the rate of 5 inches/second. When the radius is 4 inches and the height is 6 inches, how fast is the a) volume changing (V=(pi)r^2h) b) ...
November 2, 2014

chemestry
consider the reaction 2N2O(g) == O2(g)+2N2(g).which of the following will cause a shift in the equilibrium to the left?
November 1, 2014

Width of a square
A rectangle has an area of 45 square centimeters and a length of 10 centimeters. What is the width of the rectangle? 55 centimeters 35 centimeters 4.5 centimeters 3.5 centimeters (my answer)
October 31, 2014

Sociology
About how many cases of Elderly abuse are reported? 1) 1of 5 2)1 of 8 3)1 of 10 4)1 of 14
October 30, 2014

Socioloy
Cassie is a 15 year runaway who is assaulted. Which victimization theory would best apply to her stituation? 1)Victim precipitation 1)Lifestyle Theory 3)Deviant place Theory 4)Routine activities Theory
October 30, 2014

Modern law
how is modern law and government have been influenced by classical Greece and Rome
October 28, 2014

AP Chemistry
Thank You! Great Explanation!
October 28, 2014

AP Chemistry
Thank You! Great Explanation!
October 28, 2014

AP Chemistry
if the energy to break bonds is greater than the energy to form the bonds, is it exothermic?
October 28, 2014

can someone please help me with sign language
what do you need help with
October 27, 2014

Health
The Muscle mass belongs to the posterior group.
October 27, 2014

physics
A beam of particles is directed at a 0.016-kg tumor. There are 2.1 x 1010 particles per second reaching the tumor, and the energy of each particle is 5.4 MeV. The RBE for the radiation is 14. Find the biologically equivalent dose given to the tumor in 16 s.
October 27, 2014

physics
A 20 g fridge magnet is being held onto the fridge by a 0.9 N force. coefficient of kinetic friction is 0.3 . a. calculate the friction acting on the magnet. b. calculate the weight of the magnet c.the acceleration of the magnet. also, explain the situation, cause i dont get it.
October 25, 2014

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

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

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