Saturday
October 1, 2016

Posts by Sam

Total # Posts: 4,933

math condense logs
it is the same thing bro log and ln
October 1, 2016

math condense logs
3logx-6log(x^2+1)+log25 logx^3-log(x^2+1)+log25 logx^3+log25-log(x^2+1)^6 log(x^3*25/(x^2+1)^6))
October 1, 2016

maths asap need help
let the perpendicular distance of a line L from the origin l = 5 and let this perpendicular make an angle @ = pi/6 with the x axis. Determine the normal equation of l? Plz show me working
October 1, 2016

Math (Expanding logarithmic expression)
you can just say lnx^3-lnx^2+lnx-ln1 lnx^3-lnx^2+lnx-0 which is lnx^3-lnx^2+lnx
October 1, 2016

Math (Expanding logarithmic expression)
your expansion is 100% correct
October 1, 2016

Psychology
HI i dont know the synopsis of the ted talk " stroke of insight" i thought the bigger picture would be that the right and left part of the brain are different but .y teacher said that is not the case
September 29, 2016

Pre-Calculus
csc theta = (sqr root 5) over 15, find sine theta
September 28, 2016

Pre-Calculus
If csc theta = square root of 5 divided by 15, find sin theta
September 27, 2016

Math
Darcy needs 1/4 yard of fabric to make a banner. She has 2 yards of fabric. How many banners can she make?
September 27, 2016

Math
What do you use to identify the specific name or line segment?? I really don't understand what my teacher is looking for, any help would be awesome.
September 26, 2016

Physical education HELP PLS!!!!!!!!!
I'm pretty sure it's D
September 26, 2016

Maths
Find the sum of the area of the ceiling and the floor of a room of 5m long, 4m wide and 2.5 high.
September 26, 2016

maths need help
Father is aged three times more than his son Ronti. After 8 years , he would be two and a half times of Ronti's age. After further 8 years, how many times would he be of Ronti's age?
September 25, 2016

Research Methods
An infomercial asserts, “A study proves that Fat-Be-Gone, and it will work for you also.” What is wrong with this statement?
September 22, 2016

trigonomentry using either exponential or complex
give the expansion of sin^8@ as a series of cos@ plz help me i only know the normal way of doing that but i do not know how to apply complex number or exponential
September 21, 2016

maths plz help
give the expansion sin^8@ as a series of cos@ plz help me show working where @ means theta
September 21, 2016

mathematics need help
find the parametric equation for the line with slope 3 and y-intercept -2 where 't' is any real number?
September 19, 2016

Math
How would I solve x2+3x+1/4 into standard form? Would I multiply everything by 4 to cancel out the 1/4 so it will cancel it. Giving me 4x2+12+1 then factoring out
September 16, 2016

maths need help
correct to one significant figure how many digit are there in expansion of 2^(1999)
September 15, 2016

Chemistry
At constant pressure, which of these systems do work on the surroundings? A(s)+B(s)-->C(g) 2A(g)+2B(g)--> 3C(g) A(g)+B(g)-->3C(g) 2A(g)+3B(g)-->4C(g) I've tried everything and I just don't understand what I'm doing wrong.
September 13, 2016

History
A fundamental theme of the Gettysburg address is A. The condemtion of unnecessary violence** B. The description of the impact of the civil war I got it narrowed down to these, I think it is A though
September 12, 2016

History
Can someone check this? The organizational patter of the Gettysburg Address is: A. problem and solution B. Compare and contrast C. Chronological D. Order of importance***
September 12, 2016

SOCIAL STUDIES (CHECK ANSWERS ASAP)
I think 1 and 2 are right but i'm not sure about 3
September 12, 2016

Math HELP!
The first thing you need to do is the parentheses so {(82-4)-4} (82-4)=78 78-4=72 Now that the parenthesis are done, divide 72 by 6. 72 divided by 6 is 12.
September 12, 2016

ss
I think the answer is B
September 12, 2016

Chemistry
How many milliliters of a 0.48 M HCl solution are needed to react completely with 7.4 g of zinc to form zinc(II) chloride? Answer in units of mL.
September 10, 2016

Social Studies
The Spanish colonists
September 9, 2016

Social Studies
What kind of relationship did colonists have with the Native Americans A. The two groups were equals B. Colonists ignored Native Americans C. Native American taught colonists religious rituals D. Colonists treated Native Americans poorly
September 9, 2016

chem help!
answer is C rate of forward reaction is always equal to rate of reverse reaction.
September 9, 2016

Chemistry
What changes of state are involved in this use of ethyl chloride? Select all that apply. Select all that apply. 1-liquid to gas 2-liquid to solid 3-gas to solid 4-liquid to solid 5-solid to liquid 6-solid to gas
September 9, 2016

Social Studies
What was the answer?
September 7, 2016

Math
5m^4/3(m^1/3*2n^1/8)
September 6, 2016

Algebra
A 116-cm board is cut into two pieces. If one piece is 40-cm shorter than the other, how long are the two pieces?
September 4, 2016

Science
MMR causes autism Help with the connection between MMR vaccine to autism pros and cons
September 3, 2016

english
A mile from end to end, yet as close to as a friend. A precious commodity, freely given. Found on the rich, poor,short and tall, but share among children most of all What am I?
September 2, 2016

Pathway to Statistics
a. What value of T represents the temperature that is 16°F below​ zero? b. A student says that T represents only positive numbers and​ zero, because there is no negative sign. Is the student​ correct? Explain
September 1, 2016

math
What number must be added to each of the numbers 1, 3, and 6 in order for the resulting numbers to form a geometric sequence?
September 1, 2016

social studies
Help a bro out and send me the right answers
August 31, 2016

social studies
I got different answers
August 31, 2016

social studies
What's the right answers for the quiz?!@Eagleman
August 31, 2016

economic
find the competitive price and quantity (as if the above marginal cost curve represents the market supply curve. given the market demand equation P=100-.1Q and TC=1000+20Q+.4Q^2
August 30, 2016

algebra help
Please help me with this and if you can explain please, okay so i have x-y=0 and x-2y=6 i have to solve by using substitution, at first i though i can replace x-2y=6 with x but then i notice that i can't can i put one of the equations into y=? Please help me with this ...
August 27, 2016

algebra
How do i do this okay i have x=17-4y and y=x-2 i have to solve by using substitution i don't get it do i replace x-2 for x then solve please help me
August 23, 2016

geography
Which of the thematic map would best show the location of climate zones?(qualtative map, cartograms, and flow- line maps)
August 23, 2016

Social studies
3) which of the following is an advantage of a presidential government? A) the president is elected independently of the legislature B) the president is part of the leg. Branch of government. C) a system of checks and balances increases legislative power. D) a system of checks...
August 23, 2016

Geometry
Three colinear points on the coordinate plane are R(x,y) S(x+8h, y+8k) and P(x+6h,y+6k0 Determine value of RP/SP and RP/RS?
August 23, 2016

American Government
Is it really b?? @mass
August 19, 2016

Social studies
Which of the following is an advantage of a presidential government? A) the president is elected independently of the legislature B) the president is part of the legislative branch of government C) A system of checks and balances increases legislative power. D) is there checks...
August 16, 2016

Social Studies
Is it D then?
August 15, 2016

Calculus
Use L'Hoplital's rule to find the limit. Lim x->0 (3-3cos(x))/(sin(4x))
August 10, 2016

Calculus
The velocity of an object is given by the velocity function v(t)=t/42. If the object is at the origin at time t=0, find the position at time t=20.
August 10, 2016

math
A shipment of 9 printers contains 4 that are defective. Find the probability that a sample of size 4​, drawn from the​ 9, will not contain a defective printer . the probability is ?
August 10, 2016

chemistry
calculate the mass of potassium hydrogen phthalate needed to prepare a 0.1M solution in a 250 ml volumetric flask given that the molar mass of potassium hydrogen phthalate is 204,23g/mol
August 3, 2016

Ap govt.
Please check my answers and help me with those that are wrong. Which of the following forms of government most clearly bases power on the consent of the governed? A. aristocracy B. totalitarian regime C. Oligarchy D. Anarchy E. Republic I put A All of the following are factors...
July 21, 2016

Grammer
Every paragraph should begin with a topic sentence. Is this True.
July 16, 2016

c programming
write a program that computes tax and tip on a restaurant bill for a patron with rs.44.50 per meal charge.the tax should be 6.75 percent of the meal cost.the tip should be 15 percent of the total after adding the tax.display the meal cost,tax amount,tip amount and total bill ...
July 12, 2016

english
Properly format the following conversation, using dialogue tags and proper punctuation. In other words, make it look as it would in a short-short story: Jane: Hey, Mary. How are you? Mary: Good. You’ll never guess who I saw yesterday! Jane: Who? Wait—don’t tell ...
July 7, 2016

Math
Find the equation of a straight line that is parallel to y=4x+1 and passes through (7,5)
July 3, 2016

math
Mario's age is thrice the age of Martin. If the sum of their ages is 80 , how old are they?
July 3, 2016

physics
Any thoughts?
June 30, 2016

physics
A cyclist is attached to a rope which is looped over a pulley (disc of mass 10kg and radius 0.5m). The rope is then attached to a hanging block of mass 5kg. What force must the cyclist generate such that the block will move with an acceleration of 2.25 m/s2. Let’s make ...
June 30, 2016

physics
A cyclist is attached to a rope which is looped over a pulley (disc of mass 10kg and radius 0.5m). The rope is then attached to a hanging block of mass 5kg. What force must the cyclist generate such that the block will move with an acceleration of 2.25 m/s2. Let’s make ...
June 30, 2016

Math
If the 4th term of an arithmetic sequence is 24 and the 12th term is 56, whats the first term?
June 29, 2016

math
1. Marry works in a factory that prudes 1,000 telephones each day when 30 telephones were sampled it was found that 9 were defective estimate how Manny telephones are defective each day. 314 telephones 284 telephones 300 telephones*** 310 telephones 2. A ice cream shop offers ...
June 9, 2016

Reading
1. What effect does Mrs. Winterbottom’s decision have on Phoebe? A. Phoebe is humiliated by her mother’s decision to leave. B. Phoebe’s behavior becomes increasingly tense and ornery. C. Phoebe is withdrawn and refuses to socialize with her friends. D. Phoebe is...
June 6, 2016

physic
Which of the following statements incorrectly describes a scenario where the source of the sound waves and the person hearing the sound are remaining stationary?
June 1, 2016

Government
Which institution developed outside the limits of the written Constitution of the United States?
June 1, 2016

physic
Which of the following statements incorrectly describes a scenario where the source of the sound waves and the person hearing the sound are remaining stationary?
June 1, 2016

Math
How many 250ml cups can I fill up if I have 250 liters of water?
May 31, 2016

Math
Sam has two cubes. The ratio of the side length of the two cubes is 2:3. What is the ratio of the volume of the two cubes?
May 31, 2016

Math
John has closed square prism with a base of 36 square inches and a surface area of 360 square inches. Figure out its height?
May 31, 2016

Math
Tom's online class requires 10 tests, and he needs to score 70 or higher to pass the class. He took 9 tests so far and his average is 68. What is the lowest score on the last test that will let him pass the course?
May 31, 2016

Math
Tom's online class requires 10 tests, and he needs to score 70 or higher to pass the class. He took 9 tests so far and his average is 68. What is the lowest score on the last test that will let him pass the course?
May 31, 2016

Math
1. If you roll a number 52 times; how many times can you expect to roll a number 4? I do not understand Probability and a GEM test is coming up Thursday Please Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!
May 30, 2016

Math
1. Which of the following sample spaces correctly lists all the possible outcomes for flipping a coin and spinning a four-colored spinner (red, blue, green, and yellow)? A. H-red, H-blue, H-green, H-yellow, T-yellow, T-green, T-blue, T-red ***** My Answer B. H-red, T-red, H- ...
May 30, 2016

Mircro-Economics
Prove The Profit Maximazatim Of The Consumer mu=p,according to cardinalist using mathematical derivation
May 27, 2016

English
Which of the following best defines props in drama? A. painted backdrops that can be used in several scenes B. movable objects used by actors onstage C. asides by actors to the audience D. tragic flaws The answer is:B
May 24, 2016

English
What does the script, or text, of a play contain? A. an essay by the playwright on the theme B. dialogue and stage directions C. the list of cast members for the first performance D. the soliloquies of the major characters My answer is B
May 24, 2016

Focus on Countries: Latin America
1. What are the causes of problems the Maya and other Native American groups face in Guatemala? How are people trying to solve these problems?****can you help me with this 2. Compare and contrast the economies of Chile and Venezuela.***and this
May 23, 2016

Pharmacology
Which of the following statement is false? a. Insulin syringes are only for measuring insulin dosage for administration b. Patient is to take 1.0 ml lorazepam elixir at bedtime, it is appropriate to administer the medication using 0.5 ml oral syringe by giving twice c. The 0.3...
May 20, 2016

math
Use the TVM Solver to calculate the amount you should make in monthly payments into an investment account if you want to have $1,000,000 in 60 years. The account pays 3.9% interest compunded monthly and you will make an intial investment of $25,000
May 19, 2016

Artificial Intelligence
Three prisoners, A, B, and C, are locked in their cells. It is common knowledge that one of them is to be executed the next day and the others are to be pardoned. Only the Governor knows which one will be executed. Prisoner A asks the guard a favor: "Please ask the ...
May 19, 2016

History
I can't find it. @ms.sue
May 17, 2016

History
In which state was brown v. board of education brought? a.) Kansas b.) Georgia c.) Kentucky d.) Mississippi
May 17, 2016

Physics
An engine rated at 5.0x10^4 watts exerts a constant force of 2.5x10^3 newtons on a vehicle.determine the average speed of the vehicle.
May 10, 2016

calculus
The volume V, in liters, of air in the lungs during a two-second respiratory cycle is approximated by the model V = 0.1729t + 0.1522t^2 − 0.0374t^3, where t is the time in seconds. Approximate the average volume of air in the lungs during one cycle. (Round your answer to...
May 10, 2016

PHYSICS HELP Harmonic Motion
A 32.0 kg block at rest on a horizontal frictionless table is connected to the wall via a spring with a spring constant k= 32.0 N/m. A 2.00E-2 kg bullet travelling with a speed of 5.500E+2 m/s embeds itself in the block. What is the amplitude of the resulting simple harmonic ...
May 9, 2016

Math
Candy bars sold for three weeks.. Sold 26 candy bars first week Second week sold 4 less than 2 times the number of candy bars sold during girst week Third week sold 6 more than 1.5 times thenumber sold in second week
May 8, 2016

calculas 1
Find the value(s) of c guaranteed by the Mean Value Theorem for Integrals for the function over the given interval. (Enter your answers as a comma-separated list.) f(x) = x^9, [0, 9]
May 7, 2016

calculas 1
1 to 2 5 interval
May 7, 2016

calculas 1
Use upper and lower sums to approximate the area of the region using the given number of subintervals (of equal width). (Round your answers to three decimal places.) y = 7/x number of interval between are 5 upper sum= lower sum=
May 7, 2016

Calculus
Use the Midpoint Rule with n = 4 to approximate the area of the region bounded by the graph of the function and the x-axis over the given interval. f(x) = x^2 + 4x, [0, 4]
May 7, 2016

calculas
Use left and right endpoints and the given number of rectangles to find two approximations of the area of the region between the graph of the function and the x-axis over the given interval. (Round your answers to four decimal places.) g(x) = 7 sin x, [0, π], 6 rectangles...
May 7, 2016

calculas 1
A child places n cubic building blocks in a row to form the base of a triangular design (see figure). Each successive row contains two fewer blocks than the preceding row. Find a formula for the number of blocks N used in the design. (Hint: The number of building blocks in the...
May 7, 2016

Stat
An SRS of size n is taken from a large population whose distribution of income is extremely right-skewed and the mean income is calculated. Which of the following statements is false? a) When n > 30, the sampling distribution of is approximately normal. b) When n increases...
May 6, 2016

Statistics
An unprepared student is about to take his first test of the semester. He is told that his test will be composed of 20 multiple choice questions, each with 4 possible answers, only one of which is correct. a.What is the probability that the unprepared student randomly guesses ...
May 3, 2016

Art
It was C
May 3, 2016

Art
1. Why would knowledge of mathematics be useful to an architect? A Help the architect to determine the best building site B Help the architect to determine the best building materials C Help the architect to determine measurements of building materials D Help the architect to ...
May 3, 2016

calculus upward@miss reiny
upward...
May 2, 2016

calculus too hard help
if y=x^x^x^x... dy/dx=? plz show working thanks got no ideal at all
May 2, 2016

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