Posts by Bryan
Total # Posts: 892

Economics
Consider the following data. The money supply is $3 trillion, the price level equals 4, the real GDP is $4 trillion in the baseyear dollars 
Math
Kevin mowed 6 lawns in 8 hours. What was his rate of mowing in hours per lawn? 
maths
If the coordinates of the midpoint of the line segment with end points (a, 4) and (3, b) are (5, 2), find the values of a and b. 
Math
Suppose that P(x) is a linear polynomial with P(6)P(2)=12. What is P(12)P(2)? 
Math
The following set of data is arranged from lowest to highest: 2, 3, 3, 4, a, b, 6, 6, 9, 12. What are the values of a and b that will make the median equal to 5 and mode equal to 6? 
Math
If a<0, what is the maximum value of (a/11)+(11/a)? 
Math
If P(x) is a cubic polynomial with P(1)=1, P(2)=2, P(3)=3, P(4)=5, find P(6). 
Math
The 4 distinct zeros of p(x)=x^4Ax^2+255 have absolute values which are prime. Find A. 
maths
Paul, Kate and Sarah's mother left a bowl of jellybeans on their kitchen counter. Paul took onethird of the jellybeans, but then threw back 4 because he didn't like the black ones. Sarah ate 6 jellybeans and then took onequater of what remained. Kate took onethird ... 
Physics
In two separate experiments, a sample of helium gas is taken from the same initial state to the same final state, along two separates paths on a PV diagram. Path a has two parts: first an isochor and second isobar. Path b is an isotherm. Determine the work done by the gas (i... 
Geometry
Quadrilateral ABCD is inscribed in a circle. Find the length of its shorter diagonal if AB=12, CD=18, arc BC=120, and arc AD =60°. 
Trigonometry
In triangle XYZ, XZ=6, ZX=7, and XY=8, find (sinY+sinZ)/sinX. 
Math(geometry)
Pentagon MNOPQ is inscribed in a circle, NO=OP=PQ and MN=MQ. If angle NMQ=96°, find angle NPM. 
Math
In a class, the probability that a randomly chosen student likes dogs is 0.72, that a student likes cats is 0.54, and that a student likes neither is 0.11. Find the probability that a student likes both dogs and cats. 
Math
In a company, the men who do not wear glasses are thrice as many as the men who do, while the women who do not wear glasses are ten more than the women who do. The probability that an employee wears glasses is 3/10. If selected employee wears glasses, the probability that this... 
Math
Suppose a boat has to make a round trip up and down a river. The trip up takes 1 hour and is with the current. The trip back takes 6 hours. Suppose the round trip is a total of 34 miles, and that the boat's speed and the speed of the current are constant. What is the boat... 
Barretto national h.s.
What is the % by mass of 2.5 of salt is dissolve in 250g of water? 
Math
@Hal 100% Thanks! I had this as an overdue and was too lazy to do the actual work. I always do my work without help but this time i was lazy! But thx! 
math series2(please helpassessment tomorrow)
The second moment of area of a rectangle through its centroid is given by: bL3/12 Using the approximation for binomial series valid for small x (+ve or –ve): (1+x)^n=1+nx/1!+(n(n1) x^2)/2!+? 1+nx Determine the approximate change in the second moment of area if b is ... 
math power series(please helpassessment tomorrow)
The exponential function can be represented as an infinity power series as follows. e^x=1 + x/1! + x^2/2! + x^3/3!+?,?<x<? 1. Calculate e (which is the same as e^1) to 4 significant figures by using as many terms of the power series expansion as is necessary. Show all ... 
financial business
. What can be a primary solution to reduce the unemployment levels in the country? increase the interest rates impose fine for savings force industries to rehire employees reduce the interest rates import goods and services NextReset 
MATHS
A garden is 50 meters wide and 120 meters long. There is a pathway that runs along the perimeter inside the garden. If the area of the pathway is half of the area of the garden, then the width of the pathway is ....? meters. Please help! area of the garden = 6000m2 area of the... 
Math
Brian is baking cookies for Zachary's birthday party if an Bryan uses 1 1/4 cups of flour for every 10 cookies if Brian needs to make 50 cookies and he have 4 cups of flour how much more flower Brian need to finish baking 
Statistics
A bin of 35 manufactured parts contains 6 defective parts and 29 nondefective parts. A sample of size 5 parts is selected from 35 parts. Selected parts are not replaced. How many different samples are there of size five that contain exactly 2 defective parts? What is the ... 
Math
Carl had a part of a pizza. He gave 1/6 of a pizza to Susan. What part of a pizza did Carl have at first? Use the variable p. 
Language Arts
(Use the passage to answer the question.) 8. Read lines 5 – 9 from “The Olympic Swimmer.” Swimmers swivel, splash, and kick Back and forth in a clear, blue pool; Like fish at play in Neptune’s sea. Swimming relaxed, and calm, and free. These stars, like ... 
Pre Algebra Review
Yes thank you so much  Bryan 
Pre Algebra Review
Thirtyfive students belong to the science club. This 1/4 the number in the 5 sections of the eighth grade. How many students are in the eight grade? How many in each section if each section has the same number of students? 
Math
Kevin mowed 6 lawns in 8 hours. What was his rate of mowing in hours per lawn? 
Algebra
The sum of 2 numbers is 40, the smaller no. Is 6 less than the larger no. Find the numbers w/ solutions. Thanks 
Algebra
Find the pattern and fill in the missing entries. In (x) out (y) 23 2 8 2 4 8 26 0 302 1.5 Rule: 
Algebra
(8.8 × 10^5)^5 
science
The atomic number of gold is 79 how many neutrons are there in an atom of gold that has atomic mass of 197 amu how you got your answer 
Camestry
Calculate the mass of 0.250 L of ethyl acetate , if the density of ethyl acetate is 0.90g / ml . 
Government
thanks though 
Government
Maybe some of us have different quizzes... 
physics
a 50 kg crate is at rest on a level surface the coefficients of friction are 0.3 and 0.4,what is the normal force acting on the crate, a man begins pushing horizontally on the crate how much force must the man exert to start the crate moving, how much force must the man exert ... 
physics
a greyhound is capable of running at 40 mph how many meters could the greyhound run in 3 minutes at this speed, how many seconds how many seconds would it take the greyhound to run 1 km at this speed 
physics
a boy pulls a 15 kg over level ground by a rope with a force of 50 newtons at 30 degrees above the horizontal, the coefficients of friction between the box and the ground are 0.3 and 0.4, calculate the normal force exerted on the box to the ground, calculate the acceleration ... 
physics
a 75kg person is standing on a scale in an elevator, the scale gives a readout in newtons(you have to use a free body diagram)determine the reading on the scale in newtons in each of the following situations, when the elevator is not moving, the elevator is moving upward at 2... 
physics
a 5kg ball is suspended by two strings one horizontally attached to a wall and one attached to the ceiling at a 35 degree angle, determine the tension in the slanted string, determine the tension in the horizontal string (you have to use a free body diagram). 
maths
A rectangular garden is to be constructed using 100 metres of fencing but using a straight wall as one side.the rectangle is x metres. Find the lenght of the garden in terms if x? 
Language Arts
he is right 
Education technology
And if that is wrong is it A?? 
Education technology
Which of the following is an effect of intellectual property theft? Record companies lose money because people download songs for free online Book companies lose money because of used bookstores Book companies lose money because people download books online Movie companies ... 
Education technology
Thanks so much for your help!! 
Education technology
How about C?? 
Education technology
1. which of the following is an example of tangible property? A method for creating ice cream that you friend thought of An idea for an invention that your dad mentioned briefly but did not write down•• Song lyrics printed in a songbook A quicker system of washing a ... 
Education technology
Read the following scenario and determine the willing participant. Eboni’s friend, Margo, was eager to tell her about the new friend she met online. She began chatting with Aaron on a social networking website and found out that they had a lot in common. She told Eboni ... 
Education technology
How about A?? 
Education technology
Which of the following does not qualify as intellectual property? a)a poem that you write b)a CD your friend bought that you borrowed c)a story that you wrote based on a book you read d)an idea that you cam up with•• Correct me 
Education technology
Which of the following helps prevent your computer from becoming infected with malicious code? Open all emails with attachments that aré from stanger Is sure your computer gets open up and the dust cleaned out of its regularly. install and regularly run updated ... 
Education technology
D??? 
Education technology
Which of the following is a sign that your computer may have been infected with malicious code? Your computer runs faster than normal The page you open are not distorted Your computer restarts on its own and then runs properly •• Your computer locks up or stops ... 
Education technology
Which of the following is not an example of malicious code? A. Trojan horse B. worm C. virus D. spy gear •• 
Education education
Which of the following is not a quality of a successful AUP? State acceptable use for school computers Covers network etiquette Contains a code of conduct for Internet users Requires no signature•• Correct me 
Education technology
Which of the following rules is most likely to be used in an A.U.P.? A. Communication should be civil and respectful of one another •• B. Private files can be viewed without permission from the owner C. Proper credit to the source is not necessary if the material ... 
Education technology
Never main I think it's A 
Education technology
Which of the following is a benefit dead education simulation do not provide? They use real objects that can be physically touched They allow you to manipulate objects by turning them around vertically•• They can use 3D movement and objects They can show shapes ... 
Education technology
how can simulations be used in education? 1. They are allowed people to touch a real item throug the computer. They provide a realistic experience that students many not get in real life.•• They substitute games for learning. They make games real. Correct me 
Algebra 2
How many mins/max are there in the equation x^34x^27x+10? I said that there are 2 because if it is to the 3rd exponent, it increases then decreases then increases again when graphed. Is my statement correct? Thank You 
Algebra 2
i got 9/7 the  was just to signify what it was sorry about the confusion. I should have put an equals sign 
Algebra 2
Q: What is the value of b in the equation 4^2b3 = 8^1b? My Work/Answer: Set each sides base to 2 2^2(2b3) = 2^3(1b) cancelled bases out solved for b my answer  9/7 Is my work and answer correct Thank You 
Algebra 2
when i finished the first multiplication my answer was (1/x4) and then multiplied that to the second set remaining in 1/1 which is equal to 1 Is that correct Thank You 
Algebra 2
Q: (x^29/x^25x)(5xx^2/x^2x12)(x^28x+16/x4) my answer: 1 How i solved: crossed multiplied 2 of the 3 sets of fractions the multiplied the answer to the remaining one and simplified. Can you check that my work is correct? 
math
Ore from least to greatest 6/2,7/3,5/4,1/3,4/3 
Algebra 2
Q: Write a quadratic equation with integral coefficients whose roots are 6+i and 6i My Answer: x^2+12x+37 (first) sum=12 product=37 (then) write equation using formula x^2(sum)x+product Is my work and answer correct? 
spanish
Ahora yo ___ en Panama. Mi hermana y yo ___ altas,rubias y delgadas. 
Physics
1. An arrow is shot from the top of a 50 m castle wall at 18 m/s horizontal to the ground. How far from the base of the castle wall will it land? 2. A cannon with a muzzle velocity of 45m/s is shot a various angles to get maximum distance. The general knows that if it is shot ... 
Physics
Do the following calculations for a 1150 kg car. a. How much work must be done on the car to accelerate it from 0 to 60 km/h. **** Hi I am looking for advice on my questions below. This is my attempt at answering them.. Am i at least on the right track? Ek=1/2mv^2 =1/2(1150)(... 
Fluid Mechanics
Air at 70 F flows in a .8 inch diameter horizontal pipe. The density of the air is constant at .077 lbm/ft3. Assuming fullydeveloped flow determine the maximum pressure drop over a 30 ft section of pipe if the flow is laminar. Ans. = .00288psi 
chemistry
5.What is the major difference between the twodimensional and three dimensional models of ethane and methane? When might you choose to use a twodimensional model rather than a threedimensional model when representing one of the molecules? 
MATHS
A wooden crate half full of pineapples has a mass of 14kg. The same crate one third full of pineapples has a mass of 12 kg. What is the mass of the empty crate? Please help, many thanks. 
MATHS
If I paid 12z for something and received 27s in change, how much did the item cost, given that 5s = y and 10y = z ? 
College Physics
A snowball off a roof that slopes downward at an angle of 40degrees. The edge of the roof is 14 m above the ground and the snowball has a speed of 8 m/s as it rolls off the edge of the roof. If a 1.8 m tall man is standing 4 m from the top of the edge of the roof, will he be ... 
Physics
A snowball off a roof that slopes downward at an angle of 40degrees. The edge of the roof is 14 m above the ground and the snowball has a speed of 8 m/s as it rolls off the edge of the roof. If a 1.8 m tall man is standing 4 m from the top of the edge of the roof, will he be ... 
math grade 7
Does 5(3)^2 6 equal 5(9)6 equal 5+96 equal 146 =8 ?????? Thanks! 
Maths
Noors knows that David, Adam, Jane and Luisa are brothers and sisters. However, she does not know the order in which they were born. There are 24 different combinations of their birth order. How many more different combinations would there be if there were five children in the... 
MATHS
A rectangular prism has dimension of length 8cm, height 9cm and width 6cm. The prism expanded at a constant rate until the width was 8cm. If the other dimension also expanded at the same constant rate, find the volume of the rectangular prism after its expansion. 
Biology
c 
English
Did you ever get the right answers, i desperately need help with mine. 
Physical Geology
How do you find the numerical age and can you provide an example. 
social studies
12 is right. 14 is right. I have proof if you don't believe my skype Is "uhdepths". Not trying to be rude @Ms.Sue 
satistics
Assume that the math SAT scores are normally distributed with a mean of 500 and a standard deviation of 100. If you score 560 on this exam, what percentage of those taking the test scored below you? semperfi 
Math
tom is scheduling his classes for next quarter. he wants to take three classes, and has the following options: spanish at 9, 10, or 11; music at 9 or 11; math at 10 or 12. list possible schedules he would choose 
dice probability (math)
if a pair of fair dice is rolled, what is the probability that we roll a total of five if we are given that the total is less than nine? 
Math
it cost $2 to buy a raffle ticket. if there are 500 tickets sold, and there is one first prize of $250, three second prizes of $100, and five third prizes of $50, what is the expected value of this raffle? 
math
Heart is 100 percent correct!!! 
Math
so is this right? 
Math
100 
Math
A circle is divided into 18 equal parts.How many degrees is the angle for each part? How many degrees is the angle for 5 parts into ? 
Math
Luka is eating crackers. Each serving has 1.6 grams of fat. She ate 0.75 serving of crackers at lunch. She is now eating 1.5 servings of crackers as a snack. How many grams of fat did Luka eat all together? Explain how you solved the problem 
MATHS
Three fair coins are tossed at the same time. What is the probability that one of the coins will show heads and other two will show tails? 
Statics
I have a structure that is constructed of circular rod that has a mass of 7 kg per meter of length. I must determine the moment Mo about O caused by the weight of the structure. From the origin (O), the structure is 2m tall (z direction), branches outward in the y direction 1.... 
math
Calories Burned = 234n 234 comes from (9 blocks to work + 9 blocks from work)(13 calories per block) 
MATHS
Three fair coins are tossed at the same time. What is the probability that one of the coins will show heads and other two will show tails? 
Physics
Assume the length of an organ pipe is L=24cm. You have excited the wave in the tube, and you observe that it has displacement nodes at 4cm, 12cm, and 20cm measured from one end of the pipe. In which harmonic, n, is the air in the pipe oscillating? What is the frequency of the ... 
Physics
You snap your fingers at the open end of a 1 meter long tube that is closed at the other end. With a microphone at the open end, you determine that it takes 5.8msec between the time you snap your fingers and the echo from the closed end is detected. Based on this info, ... 
Statics
A former student of mechanics wishes to weigh himself but has access only to a scale A with capacity limited to 100 lbs and a small 24lb spring dynamometer B. He discovers that when he exerts a pull on the rope so that B registers 22 lb, the scale A reads 80 lb. What is his ... 
Statics
A former student of mechanics wishes to weigh himself but has access only to a scale A with capacity limited to 100 lbs and a small 24lb spring dynamometer B. With the rig shown he discovers that when he exerts a pull on the rope so that B registers 22 lb, the scale A reads ...