Thursday
October 2, 2014

Posts by anonymous


Total # Posts: 71,560

accountancy
1067
June 4, 2014

physics
What is the kinetic energy of a 19 kg dog that is running at a speed of 7.7 m/s (about 17 mi/h)?
June 4, 2014

Math
Thank you very much :).
June 4, 2014

Math
A bag contains 7 black socks, 12 white socks, and 17 red socks. If you pick one sock at random from the bag, what is the probability that it will NOT be white? A. 1/2 B. 2 / 3 C. 3 / 4 D. 7 / 12 E. 7 / 36
June 4, 2014

Geometry
what is it?
June 4, 2014

Trig
Find the coterminal angles: one positive one negative angle. 55° and (9(3.14)/5) answer degrees in radians and radians in degrees
June 4, 2014

Math
Thank you Steve.
June 4, 2014

Math
tan0 and sin0
June 4, 2014

Math
If tanè = 4 / 3, then sinè = F. 3 / 4 G. 3 / 5 H. 4 / 5 J. 5 / 3 K. 5 / 4
June 4, 2014

math
Find the total number of compounding periods and interest rate per period.  Princial: $700, time period :8yrs , nomial rate: 1.5%, interest compounding :monthly, copounding amount________, compound interest_______  * i need to figure outhe compounding amount & ...
June 4, 2014

assessment
What statistical technique is often used to calculate an estimate of reliability?
June 4, 2014

MATH
Solve the fractional equation 3x/2+1/4(x-2)=10
June 4, 2014

trig angle of elevation
The eyes of a basket ball player are 6 feet above the floor. He is at the free-throw line, which is 15 feet from the center of the basket rim. The center of the rim is 10 feet above the floor Before shooting the player decides to step back a few steps. His angle of elevation ...
June 4, 2014

Math please help
Solve the equation x^2/5 + x^1/5 -6=0
June 4, 2014

Algebra
Solve the equation 6(1/x)^2-7(1/x)+2=0
June 4, 2014

Algebra
Solve the equation x^2/5 + x^1/5 -6=0
June 3, 2014

chemistry
What is the molarity of a 28.9 g of CaCl2 dissolved in water to make up 0.78L of solution?
June 3, 2014

Math
Find the total number of compounding periods and interest rate per period. Terms investment: 6years, nomial rate: 18%, interest compounding :monthly, compounding period________, rate per period %_______ * i need to figure out the compounding period & rate per period%
June 3, 2014

MATH
Is the equation identity or conditional? 3(x+2)=3x+6 3(x+4)=3x+4
June 3, 2014

Algebra
Add and subtract the rational expression and simplify. -3y/8x+7y/6x -1y/12x
June 3, 2014

boring math
A business purchases a piece of equipment for $25000. The equipment will be replaced in 10 years at which time its salvage value is expected to be $2000. Write linear equation giving the value V of the equipment during the 10years.
June 3, 2014

chemistry
Calculate the molarity (M) of AlCl3 in a solution prepared by adding 0.750 L of 0.7 M AlCl3 and 0.250 L of 0.1 M AlCl3 . Assume volumes are additive
June 3, 2014

random question about writing
Im very bad at writing and my grammar is very bad too. can any writing tutor gave me tips to improve?
June 3, 2014

linear math
Is the equation identity or conditional? 3(x+2)=3x+6 3(x+4)=3x+4
June 3, 2014

math
simplify as much as possible. Assume that all variables represent positive real number 4x√32xv^2 + v√2x^3
June 3, 2014

math
I did make a sketch, I just used the wrong function, thank you
June 3, 2014

math
The eyes of a basket ball player are 6 feet above the floor. He is at the free-throw line, which is 15 feet from the center of the basket rim. The center of the rim is 10 feet above the floor Determine the angle of elevation (to the nearest degree) from his eye to the center ...
June 3, 2014

math
Thank you reiny:)
June 3, 2014

math
Stuart estimates that he will need $25000 to set up a small business in 7years.How much must stuart invest at 12% interest compound quarterly to achieve goal?
June 3, 2014

math 1 question!!!!!!
Got it its B
June 3, 2014

math 1 question!!!!!!
D?
June 3, 2014

math 1 question!!!!!!
Which situation best represents a proportional relationship? (1 point) Kelly sold 2 rings for $3 and 3 rings for $6.<----- Lawrence packed 27 plates in 9 boxes and 81 plates in 27 boxes. Jeff ran 4 miles in 20 minutes and 6 miles in 24 minutes. Francesca placed 8 pencils in...
June 3, 2014

math 1 question!!!!!!
Which is equivalent to the expression shown when a > 0 and b > 0? -21a^2b/35ab A. 3a/5 B. -3a/5 C. -3ab/5 D. 3a/5b<---
June 3, 2014

math
Direct variation Y is proportional to x. Use the x value & y value to find a linear model that relates y and x. x=5, y=9 X=11, y=1.5
June 3, 2014

math 1 question!!!!!!
Im right?
June 3, 2014

math 1 question!!!!!!
my answer is B?
June 3, 2014

math 1 question!!!!!!
A fence encloses a rectangular field. The field is 4 meters longer than it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? 1192 1296 1292 1440
June 3, 2014

math 1 question!!!!!!
Tasha is going on a picnic. The probability that it will be sunny is 2/3. The probability that someone will bring potato salad is 7/9. What is the probability that it will be sunny and that someone will bring potato salad? 1/9 4/27 14/27 6/7<------
June 3, 2014

MATH
Yes
June 3, 2014

MATH
Slope : 3/2; y-intercept : (0,3)
June 3, 2014

MATH Graph
Sketch the graph of line y=1/2x+1
June 3, 2014

Math
A fence encloses a rectangular field. The field is 4 meters longer than it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? 1192 1296 1292<---- 1440
June 3, 2014

statistics
the breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 125 and a variance of 25. The material is considered defective if the breaking strength is less than 113 pounds. What is the probability that a single, randomly selected piece ...
June 3, 2014

Physics
Calculate the maximum deceleration of a car that is heading down a 30.0° slope (one that makes an angle of 30° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and that the ...
June 3, 2014

Math
The ratio of adults to girls to boys on a class field trip was 1:4:5. If the trip included 6 more boys than girls, how many adults were with the group? A. 3 B. 4 C. 6 D. 8 E. 12
June 3, 2014

physics
and also how do you know to use the tan of 10
June 3, 2014

physics
I am confused with c where did the 45 degrees come from
June 3, 2014

physics
A passenger on a train notices that a 2.00 kg mass is displaced 10.0° from the vertical as the train accelerates. (a) What is the acceleration of the train? (b) What would the acceleration be if the mass was 5.00 kg? c. What would angle have to be to indicate a horizontal ...
June 3, 2014

Math
Thank you
June 3, 2014

Math
J. 1.25
June 3, 2014

Math
If f(x) = x^2 + 9 and g(x) = 24 + 4x, what is the value of f(4) / g(-1)? F. 0.75 G. 0.8 H. 1.2 J. 1.25 K. 1.75
June 3, 2014

Scientific notation
a microscope is set so it makes an object appear 4 x 10`2 times larger than its actual size. A virus as a diameter of 2 x10`-7 meter. ow Large will the diameter of te virus appear when it is viewed under te microscope?
June 3, 2014

Scientific notation
a rectngler section of land made of wheat farms has a length of 5 x 10`4 meters and a width of 6 x10`3 meters. What is the area of land in square meters?
June 3, 2014

Scientific nottion
3x10`6 square meters
June 3, 2014

Math
Thank you Reiny.
June 3, 2014

Math
Two values of m satisfy the equation |5m - 11 | - 3m = 9. What is the result when you multiply these two values together? F. 2.5 G. 2.75 H. 3.2 J. 3.75 K. 4.25
June 3, 2014

math
a clock reads 4:00 pm. how many degrees will the minute hand turn in 15 minutes?
June 3, 2014

travis
What is the IMA of this simple machine if A=5m B=11m, and C=12m
June 3, 2014

Physics
Consider the 52.0-kg mountain climber in the figure to the right. Find (a) the tension in the rope and (b) the force that the mountain climber must exert with her feet on the vertical rock face to remain stationary. Assume that the force is exerted parallel to her legs. Also, ...
June 3, 2014

Physics
Calculate the maximum deceleration of a car that is heading down a 30.0° slope (one that makes an angle of 30° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and that the ...
June 3, 2014

Physics
A passenger on a train notices that a 2.00 kg mass is displaced 10.0° from the vertical as the train accelerates. (a) What is the acceleration of the train? (b) What would the acceleration be if the mass was 5.00 kg? c. What would angle have to be to indicate a horizontal ...
June 3, 2014

Physics
A 10.0N frictionless pulley is suspended from an overhead supported by a chain. two weights suspend off the pulley. One weight is 30.0N and the other is 20.0N. (a) What is the tension on the rope? (B) what is the acceleration of the weights? (c) what is the tension on the chain?
June 3, 2014

math
Copy of Consider the charged particle S2- Match the first column with the correct number in the second column. Note: •The same number may be used more than once, if necessary.. •Not every number will be used.
June 3, 2014

Math
Thank you so much, sir.
June 3, 2014

Math
If the height of an equilateral triangle is 9, what is its area? F. 27 G. 54 H. 81 J. 27 sqrt(3) K. 54 sqrt (3)
June 3, 2014

algebra
if t equal tip and meal meal write a function using a 13% tip
June 3, 2014

English
Are sitcom titles italicized or underlined?
June 3, 2014

math HELP!!!!!!
Suppose 10% of the flights arriving at an airport arrive early, 60% arrive on time, and 30% arrive late. Valerie used the random-number table to find the experimental probability that of 5 flights, at least 2 will arrive late. The digit 0 represents flights arriving early. The...
June 2, 2014

Algebra
The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 82 cm^2, what is the length of the diagonal? Note: Your answer must be a number. It may not contain any arithmetic operations. w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100...
June 2, 2014

Algebra
I have about 3 homework problem that I am stuck on! please help me. #1: The area of a rectangle is 16, and its diagonal is \sqrt{68}. Find its dimensions and perimeter. (x^2)+(y^2)=\sqrt{68} (x^2)+(y^2)=8.246 xy=16 y=16/x (x^2)+(16/x)^2=8.246 (x^4)+(96/x)=8.246 Then I got ...
June 2, 2014

trig
To guard against a fall, a ladder should make an angle of 75o or less with the ground. What is the maximum height that a 20-foot ladder can reach safely to the nearest tenth of a foot? in my diagram I set it up using the sin function since I want to find the height so I did (...
June 2, 2014

algebra
you are given the 2012 value of a product and the rate at which the value is expected to change during the next 5 years. use this information to write a linear aquation that gives the dollar value V of the product in terms of the year. (let t=12 represent 2012). 2012 value $...
June 2, 2014

algebra
if jack's truck is worth $4000 now but losing 8% of its value every year, what will it be worth in 5 years
June 2, 2014

physics
a. 242.5N b. 140N c. 0.5
June 2, 2014

physics
A 280 N block rests on a 30° incline. (a) What is the normal force exerted by the incline on the block? (b) What (static) friction force is needed to prevent the block from sliding down the incline? (c) What is the minimum coefficient of static friction needed?
June 2, 2014

math
A road has a 10% grade (slope).how much does it rise if it is 2 km long?
June 2, 2014

algebra 2
Let's be rational
June 2, 2014

algebra
Which of the following represents the sum of points p and t plotted below?
June 2, 2014

math
The t-shirts for the fundraiser will cost $4.00 to make and there is a $25.00 delivery fee. There are two sized wristbands; a large one that will cost $5.00 to make, and a small one that will cost $3.00 to make. If everyone who orders wristbands orders one small and one large ...
June 2, 2014

College Algebra
The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 82 cm^2, what is the length of the diagonal? Note: Your answer must be a number. It may not contain any arithmetic operations. w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100...
June 2, 2014

math
a man is in a boat 2 miles from the nearest point on the coast. He is to go to point q, 3 miles down the coast and 1 mile inland. If he can row at 2 mi/h and walk 4 mi/h toward what point on the coast should he row in order to reach point q in the least time?
June 2, 2014

College Algebra ..Please help
I've figure out number #1 so I no longer need assistance on that one. But please help me with the following 4 questions. PLEASE
June 2, 2014

College Algebra ..Please help
I have about 5 homework problem that I am stuck on! please help me. The first of 5 is: A rectangular garden is 20 ft longer than it is wide. Its area is 8000 ft{}^2. What are its dimensions? Im not even sure where to start with this one. Next #2: The area of a rectangle is 16...
June 2, 2014

Physics
A 10.0N frictionless pulley is suspended from an overhead supported by a chain. two weights suspend off the pulley. One weight is 30.0N and the other is 20.0N. (a) What is the tension on the rope? (B) what is the acceleration of the weights? (c) what is the tension on the chain?
June 2, 2014

College Algebra
Thank You. I guess I was over thinking the problem a bit!lol It's my first semester and everything's so new. Thanks so much again
June 2, 2014

College Algebra
A rectangular garden is 20 ft longer than it is wide. Its area is 8000 ft{}^2. What are its dimensions? w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100) = 0 w-80 = 0 w=80 or w+100 = 0 w = -100 I think that x=80 makes more sense. However what would the length be if ...
June 2, 2014

science
can someone help me with this question from your perspective? I just need an example of how to write a similar question. Earth’s energy sources include both renewable and nonrenewable resources. Name at least three sources of energy that could be used in your house. Then ...
June 2, 2014

rounding
8.530 rounded to the nearest tenth degree = 8.5
June 2, 2014

math
For number 3 I need for help on how to do that one
June 2, 2014

math
350 is the amount of students that can order wristbands
June 2, 2014

math
For number 2 I figured out the answer so I do not need help with that one.
June 2, 2014

math
The t-shirts for the fundraiser will cost $4.00 to make and there is a $25.00 delivery fee. There are two sized wristbands; a large one that will cost $5.00 to make, and a small one that will cost $3.00. 1. Write an expression to represent the student council's total cost ...
June 2, 2014

math problem
After12 years I shall be 3 times as old as I was 4 years ago find my present age
June 2, 2014

math problem
Find an equation of the line that passes through two points. (0,4) and (7,10)
June 2, 2014

math 1 question!!!!!!
I am a boy you are a girl dont know that smell you work to much
June 2, 2014

math 1 question!!!!!!
Which is the best display for the set of the number of daily 911 calls made during a month, if you want to be able to identify the mode? A. Histogram with intervals of 5<----- B. Histogram with intervals of 3 C. Line plot D. Line graph
June 2, 2014

math HELP!!!!!!
THAX!!!!
June 2, 2014

math HELP!!!!!!
2. Researchers at Jackson Hospital asked 40 randomly selected patients about their sleep habits. Sixteen reported sleeping 8 hours or more each night. If their are 700 patients in the hospital, estimate the number of patients who sleep 8 hours or more each night. A.140 B.160 C...
June 2, 2014

physics
two objects of equal mass are placed in a room. Object A is placed on the floor and object B is placed on a table top that is 3 meters of the ground. Which one has more potential energy and why?
June 2, 2014

math HELP!!!!!!
Okay i got it C
June 2, 2014

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