Sunday
February 7, 2016

Posts by mary

Total # Posts: 3,558

physics
A 3.6-kg cat is sitting on the edge a merry-go-round that is spinning at 2.7 rad/s. The diameter of the merry-go-round is 5.6 m. How large is the static friction between the cat’s paws and the surface of the merry-go-round if it does not slip off?
February 6, 2016

Math
Can you show me how to do this problem: Find the missing dimensions of triangle XYZ. The info it gives me is side X has the number 2, Side Y has the letter m , and Z has the letter n. What do I do for this?
February 6, 2016

math
three taps fills water in a tank.one fills it in 3hrs another in 4hrs and the third in 6hrs.if all run together how soon will they fill the tank?
February 4, 2016

prealgebra
You deposit $2500 at 4% interest. How long will it take to earn $3000?
February 4, 2016

physics
A cubical block of density rB and with sides of length L floats in a liquid of greater density rL. (a) What fraction of the block’s volume is above the surface of the liquid? (b) The liquid is denser than water (density rW) and does not mix with it. If water is poured on ...
February 3, 2016

physic
A figure skater glides along a circular path of radius 5.20 m. (a) If she coasts around one half of the circle, find the magnitude of the displacement vector. m (b) If she coasts around one half of the circle, find what distance she skated. m (c) What is the magnitude of the ...
February 3, 2016

physics
A fireman d = 56.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of θi = 24.0° above the horizontal as shown in the figure. If the speed of the stream as it leaves the hose is vi = 40.0 m/s, at what height will the ...
February 3, 2016

physics
The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45°. With what speed must the animal leave the ground to reach that height? answer in (m/s)
February 3, 2016

physic
The magnitudes of two vectors vector A and vector B are 20 units and 5 units, respectively. What are the largest and smallest possible values for the magnitude of the resultant vector vector R = vector A + vector B ? largest:? units Smallest:? units
February 3, 2016

physics
a uniform beam 6.0 metre long and weighing 4kg rests on support at p and q placed left and right 1.0 metres from each end of the beam weights of mass 10 kg and 8kg are placed near p and q respectively one each end of the beam.calculate the reaction at p and q?
February 1, 2016

Math
You want to buy your dream car, but you are $5,000 short. If you could invest your entire savings of $2,350 at an annual interest rate of 12%. How long would you have to wait until you have accumulated enough money to buy the car?
January 31, 2016

Business Law
Do you think the legal system should enforce more promises?
January 29, 2016

math
Choose the answer. 4. (3 pt) Vanessa drew a line that was 6 inches long. She divided the line into 7 equal-length segments. How long was each segment? A.7/6 in. B.13 in. C.6/7 in. D.1/7 in.
January 29, 2016

SS 1 QUESTION PLZ HELP
what this is my first time what are you talking about?
January 26, 2016

SS 1 QUESTION PLZ HELP
plz help plzzzzzzzzzz
January 26, 2016

SS 1 QUESTION PLZ HELP
hello anyone? PLZ HELP
January 26, 2016

SS 1 QUESTION PLZ HELP
5.how do Canada's native people intend to preserve their cultures? A. by coming independent nations B. by moving away from reserves*** C. by working with existing governments D. by using English on the street signs in their communities
January 26, 2016

math
Please help solve 0.3x -1=0.2
January 23, 2016

Math
If you drive 13 miles a day for 1 week, How many miles would you have driven on the 6th day?
January 20, 2016

Science
Which of the following best describes the result of using a catalyst in a chemical reaction? A. The yield of product is increased. B. A more desirable product is often formed. C. A greater amount of heat energy is released by the reaction. D. The reaction is completed in a ...
January 19, 2016

Science
Suppose you have a 50.0g sample of ice at -30.0 C. How many joules of heat energy are needed to heat the ice to 0.0 C? How many joules of heat energy are needed to melt the ice? I do not know how to set either of these up.
January 13, 2016

Science
How to balance reaction of solid calcium carbide (CaC2) with excess water to form acetylene gas (C2H2) and solid calcium hydroxide?
January 13, 2016

Biology
B
January 11, 2016

Math
wow ms sue ur mean
January 8, 2016

Math
i mean not D i meant 4. A
January 8, 2016

Math
Sure 1. C 2. B 3. A D. A
January 8, 2016

Math
350 is 70% of what number? A) 500 B) 420 C) 245 D) 280 What percent of 64 is 24? A) 267% B) 62.5% C) 40% D) 37.5% What percent of $6.50 is $2.60? A) 25% B) 40% C) 90% D) 250% 20% of 140 is what number? A) 280 B) 120 C) 28 D) 12
January 8, 2016

maths,
Suppose Start Fraction pi Over 2 End Fraction less-than theta less-than pi and sine ⁡ theta equals Start Fraction 2 Over 5 End Fraction period Evaluate cosine ⁡ theta.
January 7, 2016

accounting
When sales are constant, but the production level fluctuates, net operating income determined by the absorption costing method will:
December 31, 2015

Math advanced function
State the number of solutions a quadratic trigonometric equation can have in one cycle.
December 30, 2015

Math
THANKS:)
December 30, 2015

Math
State all possiblities for the number of solutions a quadratic equation can have in one cycle.
December 30, 2015

math
. A deposit of 7,500 earns 3,900 over a period of 8 years. What is thw simple interest rate?
December 13, 2015

burke county middle school
A deposit of 7,500 earns 3,900 over a period of 8 years. What is the simple interest rate?
December 13, 2015

Labadie
0.30*3=0.9cups
December 10, 2015

STATISTICS
Before accepting a large shipment of bolts, the director of an elevator construction project checks the tensile strength of a simple random sample consisting of 20 bolts. She is concerned that the bolts may be counterfeits, which bear the proper markings for this grade of bolt...
December 4, 2015

STATISTICS
t has been claimed that 65% of homeowners would prefer to heat with electricity instead of gas. A study finds that 60% of 2000 homeowners prefer electric heating to gas. Can we conclude that the percentage who prefer electric heating differs from 65%? Use alpha = 10%
December 4, 2015

Math
If clay had 50 apples and 4 times more are red than green. How many red apples does clay have?
December 2, 2015

Math
Write the missing digits to make each number sentence true 7□7 <713
December 1, 2015

Social Studies
1. When people talk about natural resources, they usually mean (1 point) vegetation. water. minerals. all of the above•• 2. Geothermal energy is considered a (1 point) fossil fuel. renewable resource.•• nonrenewable resource. recyclable resource. 3. ...
November 30, 2015

Social Studies
Oh my gosh!- When I was submitting it I totally forgot about the corrections, Wow Ms. Sue you are so smart!
November 29, 2015

Social Studies
Meaning I got a 90:( But its okay because my grade is still a 99
November 29, 2015

Social Studies
Number 3 was the discovery that the world was round- I got it wrong
November 29, 2015

Social Studies
Thanks, I will let you know my grade.
November 29, 2015

Social Studies
Jordan-Yes Ms. Sue, Correction- 3. Which of the following is NOT one of the four major advances in early cultures? (1 point) the invention of tools the beginnings of agriculture the discovery that the world is round•• the development of civilization
November 29, 2015

Social Studies
1. People's occupations, their behavior, and their beliefs are a part of their (1 point) government. climate. technology. culture.•• 2. When geographers study human-environment interaction, they learn (1 point) how schools are run. how people and their ...
November 29, 2015

math 5th grade
Victoria has 2 pounds of flour, she uses 2/5 for pizza and 3/10 for bread. Find the weight of the pack of flour that is left..Express in decimal answer. 32 ounces of flour is what she has she uses 2/5 x32=64/5=12and4/5=12.8-32=19.2remaining flour she then uses 3/10 x32=96/10=9...
November 21, 2015

math 5th grade
Victoria has 2 pounds of flour she uses 2/5 of flour for pizza and 3/10 of the flour for bread. Find the weight of the flour she has left. Express in decimal form. I worked on this and the answer I came up with was 19.2 lbs left?
November 19, 2015

Math
Do now
November 18, 2015

Language Arts!
Thank you!!
November 11, 2015

Language Arts!
Which of the following uses the indicative mood? A. I will feel flush after I get my very first paycheck for this job B. I insisted that my brother do the dishes because I set the table ** C. If I were rich I would get convertibles for us both D. If I won the lottery I hope ...
November 11, 2015

Math
Zoe keeps track of the miles per gallon her car gets per week. She has accumulated the following data: (1, 24), (2, 24.38), (3, 24.76), (4, 25.14) A. The common difference is 0.38 B. The common difference is 0.76 C. The common ratio is 0.99 D. The common ratio is 1.02
November 10, 2015

Math
Could you maybe explain how you got that.
November 9, 2015

Math
write the following equation in slope intercept form 3x+4y=12 Could someone explain how to do this problem?
November 9, 2015

Organic Chemistry
What observed rotation is expected when a 1.44 M solution of (R)-2-butanol is mixed with an equal volume of a 0.720 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long? The specific rotation of (R)-2-butanol is –...
November 8, 2015

Math - Arithmetic question
Thanks 😍
November 8, 2015

Math - Arithmetic question
Thanks 😍
November 8, 2015

Math - Arithmetic question
I have a question about the limits to Arithmetic problems, on my homework I've noticed that so far all of the arithmetic sequences limits are infinite (-infinity or +infinity, I was just wondering if all the limits to Arithmetic problems are to an infinity since 99% of the...
November 8, 2015

statistic
2. High density lipoprotein (HDL) in healthy males follows a normal distribution with a mean of 50 and a standard deviation of 8. c)What is the 99th percentile of HDL in healthy males? d)If we consider samples of 10 patients, what is the 90th percentile of the mean HDL in ...
November 7, 2015

Math
Play tickets cost $24 for two adults and two children. A child's ticket costs half as much as an adults ticket. Find cost of child's ticket
November 7, 2015

Grammar
Which choice is a sentence fragment? Question options: Turning on the light, he suddenly got a shock. In the first year, Julio won three blue ribbons. Maggie's photos displayed in the lobby. We swept the floor first and then washed dishes.
October 28, 2015

Resturant/Diner
Julie's home cooked dinner
October 28, 2015

Chemistry
Iodine, I2, reacts with aqueous thiosulfate ion in neutral solution according to the balanced equation I2(aq)+2S2O2−3(aq)→S4O2−6(aq)+2I−(aq). How many grams of I2 are present in a solution if 33.00 mL of 0.165 M Na2S2O3 solution is needed to titrate the...
October 27, 2015

Physics
A body starts from rest and accelerates to a velocity of 5m/s in 20s. It then maintains this velocity for 10s and then decelerates to rest in further 10s. (a) Draw a velocity – time graph of the motion (b) Calculate the initial acceleration (iA body starts from rest and ...
October 27, 2015

physic
The thickness of a book is 3.2cm, measured between the insides of it cover. The highest page in the book is 1,096. What order of magnitude estimate does that give the thickness of a page of the book?
October 25, 2015

Physic
You see a bolt of lightning and hear thunder two seconds later. The speed of sound is about 343 m/s. Estimate?
October 25, 2015

math
An artist is commissioned to paint a large painting on a wall. The wall is a rectangle and it measures 87 feet by 65 feet. The artist charges $68 per square yard. The artist gives no discount for any chunk of area less than a square yard. Find the total charge for painting the...
October 23, 2015

geography
An artist is commissioned to paint a large painting on a wall. The wall is a rectangle and it measures )( feet by '& feet. The artist charges $') per square yard. The artist gives no discount for any chunk of area less than a square yard. Find the total charge for ...
October 23, 2015

Math
The information for two pay as you go cell phone companies is given on call 3.5 hours: $10 talk time 1/2 hour: $ 1.25
October 18, 2015

Grammar
Is this sentence a proper sentence? If so, would it be punctuated with an exclamation point? How tall this building is!
October 16, 2015

math
my car gets 40 miles per gallon of gas, gas cost is $2.40 per gallon, I have to drive 3,600 miles. What will be my cost for gasoline?
October 15, 2015

MATH
Please help, I´m having trouble with that. I have done it in some diffrent ways and it kept telling me is wrong.
October 12, 2015

MATH
Find the average rate of change of f(x)=2x2−7 between each of the pairs of points below. Between (3,11) and (6,65) Between (b,m) and (s,u) Between (x, f(x)) and (x+h, f(x+h))
October 12, 2015

Algebra
Yazmin decided to get some exercise by taking the stairs from the first to the fifth floor in her apartment building. The first time she went up the entire flight, she walked up some steps and ran up 16 steps. This took a total of 60 seconds. The second time she went up the ...
October 3, 2015

Algebra
y = total cost You start at a cost of $50 at zero days, so $50 is your y-intercept (b). Your rate of daily rental is your slope (m), and it goes up at $150 / 1 day. Therefore, for y=mx+b, you would write y = $150x + $50, where x>or = 0
October 3, 2015

chemistry
give products of HgCl2 + KSO4
October 1, 2015

chemestry
a compound salt Xcl2 contains 203% chloride what is element x?
October 1, 2015

ctu
Stuart’s car loan reached a maturity value of $14001.00 after 3 years. Find the rate on Stuart’s loan if the principal he borrowed was $12474.00 Use the formula to find the interest; then use to find the rate in decimal form. Leave your answer in percentage form ...
September 28, 2015

Chemistry
Dry air has a density of 1.29g/L (at 25 degrees celsius and 1 atm of pressure). How many liters would 500.g of this air occupy?
September 24, 2015

precalc
thank you so much!
September 23, 2015

precalc
i typed in exactly that equation into the calculator 10cos(2π/3)(17.2-.3)+50 and yes my calculator is in radian mode
September 23, 2015

precalc
y=10cos(2π/3)(x-.3)+50 x=17.2 i plugged this into the calculator and i got -34.5, but the answer is 43.3 how do i get that answer?
September 23, 2015

pre-calculus
Almonds cost fiver per pound and cashews cost nine per pound. How many pounds of almonds should be mixed with the cashews to make 10 pounds of a mix that sells for eight dollars per pound?
September 23, 2015

question
You purchased 8 pounds 10 ounces of candy from a candy shop. You want to split it equally among 3 classrooms at a local school.
September 20, 2015

algebra
not sure
September 16, 2015

algebra
linearfunction that represents total week pay ears $200 plus 5% commission on sales what will need to wake to equal 475 dollar a week
September 16, 2015

Macroeconomics
As an example of a price index, consider the A.C.D.P.I. (a fictitious price index). The associated basket of goods is: Good Price Coffee $8/lb. Bread $1/loaf Tea $15/lb. Aspirin $2/bottle Cola $6/case A. If the price of coffee doubles, what is the resulting percentage change ...
September 15, 2015

Math
Thank you so much Damon!!
September 10, 2015

Math
Z/2=2(11^2)-(3×7)
September 10, 2015

English
"When you touch another person's life, the gift keeps on multiplying." Please help me interpret this quote because I don't understand it very much.
September 4, 2015

math
I have the same question but it asks for you to explain. How do I explain why Luanne is closer?
September 3, 2015

Math
A blueprints scale of 1 cm=5m. what are the dimensions of a function room that measures 9cm by 7cm on the blueprint?
August 26, 2015

Math
The greatest place value is hundred thousand. The digit in the tens place is 5.the remaining digit ate 2, 3, 8 and 7. One of the digit has a value of 30,000. One of the digit had a value of 800. The value of the digit in the thousands place is 10 times greater than this. There...
August 25, 2015

math
give the reason to justify each step a. 4c+3(2+c)=4c+6+3c b. =4c+3c+6 c. =(4c+3c)+6 d. =(4+3)c+6 e =7c+6
August 19, 2015

Math
The greatest place value is hundred thousands. *the digit in the tens place is 5. *the remaining digit are 2,3,8, and 7 *one of the digit has value of 300,000 *one of the digits has a value of 800. The value of the digit in the thousands place is 10 times greater than this. * ...
August 10, 2015

statistics and probability
Solve for y . -2(y-3)= 5y-29 Simplify your answer as much as possible
August 10, 2015

Physics
Suppose you wanted to be able to see astronauts on the moon. What is the smallest diameter of the objective lens required to resolve a 0.61 m object on the moon?
August 7, 2015

Physics
Which one of the following actions would make the maxima in the interference pattern from a grating move closer together? Decreasing the frequency of the laser. Increasing the frequency of the laser. Increasing the number of lines per length. Increasing the wavelength of the ...
August 7, 2015

algebra
: a student scored 73 out of 100 on a test. If the maximum score on the next text is also 100 points, what score does the student need to maintain an average of 81?
August 6, 2015

Algebra
True or False. If a line L1 has equation y = mx + b, where m and b are constants with m ‚ 0,then an equation of a line L2 perpendicular to L1 has the form , where C is a constant. L2: y= -1x +C
August 4, 2015

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