# Posts by Kenneth

Total # Posts: 126

math
Can A arch tesselate

algebra
Susan is filling two ponds in her back yard. She has to dig the hole, put the liner in, and fill the pond. The first pond holds 75 gallons of water and is filling at a rate of 7 gallons of water per hour. The second holds 115 gallons of water and is filling at a rate of 3 ...

Science
Please help me. This is the question. A diver weighing 500N is positioned at the right end of a diving board with a length of 4m and negligible weight. The board is bolted down at the left end while being supported 1.5 m away from the fulcrum. a.)Find the forces F1 and F2 that...

Stats
A store carries 4 styles of denim jeans. For each style there are 5 different waist sizes and 3 different colours. The store also carries 2 named brands of t-shirts, each of 6 different colours and in 3 different sizes. A customer wants to buy an outfit consisting of one pair ...

Math
For the past 5 years, Frank and Peggy have deposited \$15,000 in a retirement account with a simple interest rate of 7%. They plan to continue to make annual deposits for the next 20 years. Explain how their money will grow over time. Note: You do not need to extend their ...

Physics
At whatever level the water rises to, only atmospheric pressure shall be actung on the meniscus. Hence, the height it reaches will be h=100/9.8

Math
(3y)(3y-2) we have to use distributive rule in this one. so 3y*3y = 9y^2. 3*3=9 and y*y=y^2, hence 9y^2. Now we also have to distribute 3y to -2, which is -6y. Holistically we have an answer of 9y^2-6y. The answer is D.

Physics
WTF YOU TWAT!! DAMON YOU ARE FREAKIN WRONG. I FEEL BAD FOR THE PPL YOU HELP. First of all in this case the elevator is accelerating downward, hence the tension in the rope will decrease and not increase. PURE LOGIC what do you feel if you pull someone up by rope? More tension...

Physics
IF ANYONE NEEDS PHYSICS HELP COME TO ME. MESSAGE ME ON MY PHONE #213-373-8762

Physics
Damon is wrong. He forgot to put 1/2*V, I think his logic was that due to the velocity = 2 m/s he automatically assume it was 4 m/s. His mathematics is flawed and you should exempt his answers from your solution sheet. The VELOCITY IS A VARIABLE YOU CANNOT ASSUME BASED UPON ...

Physics
Consider the formula. P=mv. Due to inelastic collisions we concur an impulse logically follows. Impulse = the change of momentum. Hence in mathematical terms: (.25)(1/2)V = 0.5(2-V) simplify 0.125V = 1 - 0.5V simplify 0.625V = 1 Simplify V = 1.6 m/s

Life Orientation
Describe the human rights violation that is taking place in your community or neighbouring community.Give your own position on xenophobia.

math
two wires support a pole in opposite directions. they make angles of 36° and 42° with the horizontal, and the points where they touch the ground are 50 ft apart. find the length of each wire

Project Management
ow can we determine a risk profile for our project, since each of our organizations has its own tendency to deal with risk?

science
Humans have looked at planets

Math
If a tile is 9.96 inches by 9.96 inches, how many do I need to cover 24 square feet?

Physics
A 5.2 kg bucket of water is raised from a well by a rope. The acceleration of gravity is 9.81 m/s^2.If the upward acceleration of the bucket is 4.0 m/s^2, find the force exerted by the rope on the bucket of water. Answer in units of N.

math Help plz
ok thanks i get #2 but i still don't understand 1.

math Help plz
1.Given a geometric sequence with a_1=6 and r=2/3, write an explicit formula for a_n, the nth term of the sequence. 2.A geometric sequence has a_4=4 and a_5=7. What is a?

Math
Give an example of a radical function f(x) whose domain is (3,∞) and whose range is (-∞,0] Can i plz get help

math
A potato is put into an oven that has been heated to 350°F. Its temperature as a function of time is given by T(t)=a(1-e^kt)+b. The potato was 50F when it was first put into the oven. 1.If the potato is 60°F after 2 minutes, what is the value of k? 2.When will ...

Math
What is Input 2 and Output 13 with 2 equations

science
Idk

ICT1511
Sam works at a coffee company where all the employees receive a bonus of R700, except the employees in the coffee department 3, who receive a bonus of R850. Enter his gross salary and his personal department number. Calculate the total income of Sam. Subtract 25% of the gross ...

A uniform cylindrical pipe has an external diameter of 3.6cm and an internal diameter of 2.8cm. a)Calculate the volume of the material required to construct a metre length of the pipe. b)One cubic metre of material used has a mass of 44kg.Calculate the mass of 60m of such a ...

algebra
Prove by mathematical induction that x^2n - y^2n has a factor of x+y. My answer is incomplete since i do not know what to do next. here it is: i.) for n=1 x^2(1) - y^2(1) = x^2 - y^2 = (x+y)(x-y) ii.) Assume that the proposition is true for all n=k, that is, x^2k - y^2k has a ...

Trigonometry
A segment of height 3 inches (distance from center ofchord to center of arc) has an arc of .4 radian.find the area of a segment.

Chemistry
Carbon tetracholoride is made according to the following reaction: carbon disulfide + chlorine gas yields carbon tetrachloride and disulfur dichloride. Write the correct balanced equation and then determine how many grams of CS2 are needed to make 16 kilograms of CCl4.

Probability
What is the rule for the sequence 20, 17, 13, 8, 2? I've been trying to answer it by second difference method but still don't get correct formula.

Math
Wong ran for 45 minutes in a marathon without stopping.How many seconds Wong run without stopping?

Measurement&Formulas
Maria works out for 150 minutes every Saturday.How many hours is this?

health
is it c

algebra
If you are paid an hourly wage of \$9.00, determine an equation for finding your weekly gross pay (P)for t hours. Specify an amount between 25 and 40 hours worked for 1 week and determine your gross pay for that week.

engineering
What do you do to peel a hard boiled egg so the shell will not not not stick to the white. so you can eat the egg and not get egg shell in your mouth?

science
How do you peel a boiled egg with the shell sticking ?

calculus
find the absolute maximum and minimum of the function y=2cos(t)+sin(2t) on the interval of [0, pi/2] I have taken the derivative but I have no clue how to solve it for 0

science
how fast is mach 1 ?

analogies
Open is to close as retreat is to. I'm not sure if pursue could be the right answer

Trigonometry
116

math
an open box is to be formed out of a rectangular piece of cardboard whose length is 8 cm longer than its width to form the box,a square of side 4 cm will be removed from each corner of the cardboard then the edges of the remaining cardboard will be turned up.

QuickBooks Accounting
Describe how the QuickZoom feature of QuickBooks does or does not provide the same help in the statement of cash flows as it does in the income statement.

Physics
W1 = F s = ∆KE = 0.34KE0 W2 = (F cos 42◦)s = F s cos 42◦ = 0.34∆KE0 cos 42◦ = 0.25∆KE0 Therefore, there is an 25% increase in kinetic energy.

MATH
130

Which career i must choose

Maths literacy,life science,history,geography
which carreers are available for this subject,i want 2 choose 1 of it

math
can I get examples of phythagorem theory

Statistics
The mean length of the first 20 space shuttle flights was about 7 days with a standard deviation of about 2 days. Using Chebychev's theorem, at least how many of the flights lasted between 3 and 11 days.

physics
motion that has no acceleration 13 letters only

types of buisness writing
Give me an example on how to Draft an e-mail of at least four complete sentences

chemistry
what is the effect of barium chloride solution, dilute hydrochloric acid and dilute trioxonitrate(v) acid on iron II ammonium sulphate hexahydrate

chemistry
effect of Bacl2 and HNO3 of (NH4)2so4.feso4.6ho2

Math(arithmetic & Geometric Series)
the common different between p and q

Chemistry
calculate the standard free-energy change for the synthesis of hydrazine from nitrogen and hydrogen. N2(g) + H2(g) right arrow N2H4(l)

Physics
Physics

Physics
How to calculate a gravitational force exerted on the paralle to the incline if its mass is 20kg is pulled upwards by a force inclined at 30 degree to the horizontal nd it accelerate along the incline plane at 2m.s-2?

Physics
A block,mass 20kg,is pulled upwards by a force F along a plane inclined at 30 degree to the horizontal.it accelerate along the inclined plane at 2m.s-2. The surface of the inclined exert a friction force on the block calculate the component of the gravitational force exerted ...

Physics
A block,mass 20kg,is pulled upwards by a force F along a plane inclined at 30 degree to the horizontal.it accelerate along the inclined plane at 2m.s-2. The surface of the inclined exert a friction force on the block calculate the component of the gravitational force exerted ...

Soc. Studies
I think it is A but idk what do you think.

physics
A System Has A Total Mechanical Energy Of 350 J And Kinetic Energy Of 220 J. What Is Its Potential Energy?

\$1,638/\$12,600 = finance charge per \$1.00 = \$0.13/\$1.00. Multiply both numerator and denominator by 100 in order to increase the \$1.00 to \$100.00 = answer \$13/\$100.

a random sample of the grade of 78 students is taken. what is the probability that the average grade will be between 80.3% and 82.3%?

Chemistry
Boric acid is a weak acid with an equilibruim constant(K)of 10-9.3. What is the pH balance of a 0.1 molar solution of boric acid?

programmar
The technical management team is ready to review your proposed design for BeT. The Banking e-Teller system allows bank customers to perform ATM transactions from their cell phone. This first generation system will allow customers to check balances, make remote capture deposits...

Chem
why is (NH4)2Cr2O7 >> N2 + Cr2O3 + 4 H2O balanced like this.

Decimal division
If you were going to solve 0.7 divided by 0.0035 what would you write down on paper step by step?

Physics
How long does it take a motor cyclist to come to rest?which travels at 12m/s decelerates at 3m/s^2

math
Q: Convert 4x^2 + 4y^2 -8x -16y -29 = 0 into standard form. I first started by pairing the like terms together, getting: 4x^2 -8x + 4y^2 -16y = 29 The next step, I'm a little confused. I know I need to complete the square, but I'm not sure how to fully factor out the ...

Algebra II
Working on my online math homework, I encountered this problem: Solve: (3x^-1 y^-2)^-2 (x^2 y^5)^-1 [[Spaces denote the end of the exponent.]] Because of the law of exponents that deals with negative exponents, I did the reciprocal and distributed the exponent, getting (1/3x^2...

trig
how do you work find sin (a-B)beta sign. sin a = 12/13,a lies in quadrant II,and cos B = 15/17, B lies in quadrant I.

algebra
lol

statistics
in a class of 40 student,18 pass maths, 19 pass account,16 pass economics 5 pass maths and account only, 6 pass maths only, if each student pass at least one of the subject.find the percentage number who fail in at least one of economics and maths. how many student fail in all...

physics
considering we use Newtons second law, we also have to logically conclude that we are individually find each object's net force. Therefore we neglect the other mass i.e. we plug in Newtons second law for the car Fnet = (990)(2.15), considering we are isolating the objects ...

5 ways in which the human or environmental problem impact on the community
I don't know the answer so I need help

U.S history
Describe America’s economic and military role in WW1

U.S history
World War 1

U.S history
Describe America’s economic and military role in the war

U.S history
how did Wilsonian idealism turned the war into an ideological crusade that inspired fervor and overwhelmed dissent

math
1. A die is tossed 10 times and the number of sixes rolled is recorded. The number of sixes rolled will follow what type of distribution? a. poison b. binomial c. geometric d. normal

explain hou you can use an array to find partial products for 4X36

language art

language art

english
I'm kinda getting stumped. What are some other characteristics people kind have like their family besides physical ones?

algebra homework

biology
the atomic mass =the number of _________+ the number of

algebra
How do I work this to get the answer because I am stuck. Help, Help, please anyone. Ihope that you are able to understand what I am asking. 3 SQRT10 over SQRT15 2 over 5+SQRT3

algebra
Can someone show me the step to solving this equation because I am just not getting it. My teacher is confusing me, so I need someone else to explain it in a different uncomplicated way. y-1/x+3 = -3/4.Thanks so much you guys for the help.

math
Solve: (a+4)/2 = (a + 4)/a

Cultural Diversity
ethic's 125 /impact on oreintalism on arab muslin chararteristics

high school
Explain in your own words the difference between an account that is earning simple interest for 5 years and another account that is earning interest that is compounded annually for 5 years

high school algerbra class
(2/x^2-4)+(3/x^2)+(x-6+1/x+3) someone please show me how to work this problem with the steps, so I can see if I can get it. This is due tomorrow in class. Thank you.

high school algerbra class
2/x^2-4+3/x^2+x-6+1/x+3 Could someone help me with this fraction? I have tried to answer it over three days now without any luck. If anyone can help please show the steps,so I can see how you got the answer. Thanks in advance!!!

math
the point P lies in the first quadrant on the line y=10-4x from P, perpendicular lines are drawn to the x and y axis. What is the maximum area of the rectangle formed?

Economics
Table setting refers to the achious or manners that are acceptable at table 1.A well-laid table stimulates appetite

language arts
words that ryme with kite

algebra
Marlene rides her bycicle to her friend Jon's house and returns home by the same route. Marlene rides her bike at constant speeds of 6mph on level grond, 4mph when going uphill and 12mph when going downhill. If her total riding time was 2 hours, how far was John's ...

Math
Draw an array for 12x7. (You don't have to draw all the boxes inside, just the shape and the dimensions.) How would you bread up this array into two smaller arrays? Show your two smaller arrays on your drawing, Then fill in the equation and solve the problem.

Math
Draw an array for 12x7 (You don;t have to draw all the boxes inside, just the shape and the dimensions.) How would you break up this array into two smaller arrays? Show your two smaller arrays an your drawing. Then fill in the equation and solve the problem.

Math
Draw an array for 12x7 (You don;t have to draw all the boxes inside, just the shape and the dimensions.) How would you break up this array into two smaller arrays? Show your two smaller arrays an your drawing. Then fill in the equation and solve the problem.

Math
Two small arrays have neen conbined to make a big arraay. What are the dimensions and product of the big array? Fill in the equation that shows this big array broken into two small arrays. 10x6 10x5 ?