Tuesday
December 6, 2016

Posts by ANONYMOUS

Total # Posts: 103,158

maths steve reiny
Sqrt(x)^sqrt(x)=2 show solution step that all i need thanks
November 2, 2016

Math, Precalc
3^x + 5^(x+3) - 3^(x+4) + (1/3)5^(x+2)= 0 3^x(1 - 3^4) + 5^(x+2)(5 + (1/3)(1) ) = 0 -80(3^x) + (16/3)(5^(x+2) = 0 times -3/16 15(3^x) - 5^(x+2) = 0 15(3^x) = 5^(x+2) divide by 5 3(3^x) = 5^(x+1) 3^(x+1) = 5^(x+1) this can only be true if x = -1 that is, if 3^0 = 5^0 , which is...
November 2, 2016

Math, Precalc
Sue's time riding the bike = 5/15 hrs = 1/3 hr Sue's time walking the 2 miles = 2/3 hr total time = 2/3 + 1/3 = 1 hr total distance = 7 miles average speed = 7/1 = 7 mph
November 2, 2016

Gaussian Elimination Method
Write the system of equations as an augmented matrix ?????u=150?7s+4m=25019s?11m=300
November 2, 2016

SS Check Answers
did you mean 1967 or 1965?
November 2, 2016

Texas History
Answer please!!!!!!!!!!!!!!
November 2, 2016

Texas History
What is the answer?
November 2, 2016

Texas History
I am reading my book about this stuff but it is hard to find the answer for this. I need at least 4 sentences about this.
November 2, 2016

Texas History
Explain how the fall of the Alamo and the Goliad Massacre both hurt and helped the Texans' quest for independence in the Texas revolution. (4 pts)
November 2, 2016

counseling
stanford-binet
November 2, 2016

Maths
A metere long strip is cut into 12 equal pieces. What is the length of each pieces
November 2, 2016

art history
in the painting the wedding, each person is a
November 2, 2016

art history
in the painting the wedding, each person is a
November 2, 2016

maths
The cost of fencing a square field at 40paise per meter is rs.2000.Find the cost of watering the field at 80 paise per 100square
November 2, 2016

maths
The cost of fencing a square field at 40paise per meter is rs.2000.Find the cost of watering the field at 80 paise per 100square
November 2, 2016

math
(2x+1)^3
November 2, 2016

Ad.func
I just rlly don't have a clue how I should proceed with this question. A picture is hanging 3 meters high and is hanging so the bottom of the picture is 1 meter above you eye level. How far from the wall on which the picture is hanging should you stand so that the angle of...
November 1, 2016

american goverment
5.  Which of the following policies represents current American foreign policy? (1 point) isolationism nation building containment international cooperation 5.D
November 1, 2016

9th grade algebra (factoring with quadratic)
Okay. thanks! It was confusing to me. I'll double check them for typos and look up quadratic formula.
November 1, 2016

american goverment check answers
6.  In January 2013, the United States officially recognized the government of Somalia for the first time since 1991. Which of the following is one ...
November 1, 2016

Chemistry
Consider the reaction between 56.0 mL of liquid ethanol (C2H5OH; density = 0.789 g/mL) and 26.0 L of O2 at 27.0°C and a pressure of 1.95 atm. The products of the reaction are CO2(g) and H2O(g). Calculate the number of moles of H2O formed if the reaction goes to completion.
November 1, 2016

math
a. Express P (x)= 1/6 ; for x = 1, 2, 3, 4, 5, 6, in distribution form. b. Construct a histogram of the probability distribution P(x) =1 over 6 ; for x = 1, 2, 3, 4, 5, 6. c. Describe the shape of the histogram in part (b). (Please show all work) Thank You
November 1, 2016

Pythagorean theorem
How do I check my answer when my triangle is an Acute Triangle?
November 1, 2016

Health
they are all right i belive sorry if im wrong im only in 6th grade but i think there right :)
November 1, 2016

Phys ED
Apply your previously acquired knowledge of soccer and decide which position in basketball resembles the sweeper in soccer? A: Point guard B: Shooting guard C: Power Forward*** D: Small Forward
November 1, 2016

statistics
a social worker is involved in a study about family structure. She obtains information regarding the number of children per family for a certain community from the census data. Identify the random variable of interest, determine whether it is discrete or continuous, and list ...
November 1, 2016

UTECH
Your company has raised financing by issuing 25-year bonds on January 1, 2009. They mature on December 31, 2033 and have a par value of $1,000 and a coupon rate of 8%. Coupon payments are made semi-annually.
November 1, 2016

math
suppose that your bank pays 10% interest, compounded semiannually. Use table 12-2 of your text to find how much should be deposited now to yield an annuity payment of $400 at the end of every six months, for 4 years.
November 1, 2016

Physics
bnnhnn
November 1, 2016

Math
1.If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up. Example: 38 rounded to the nearest ten is 40. 1.If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down. Example: 33 rounded to the nearest ten is 30
November 1, 2016

history
where and when were the workers used on large farms in your question?
November 1, 2016

Chem
which particle is larger in radius silver ion or neutral silver atom
November 1, 2016

Math
The length of a rectangle is 3 units shorter than one-third of the width, x. Which expression represents the perimeter of the rectangle?
November 1, 2016

Social Studies 7 Pls CoRRect Mee
b,d b a c
November 1, 2016

history
He is right TRUST ME 100%
November 1, 2016

MATHEMATICS.
FIND THE COMPOUND INTEREST OF 1400 IN 4YEARS AT 3% PER ANNUM
November 1, 2016

la
In "All Together Now," why does Barbara Jordan most likely mention the conflict in Bosnia?
November 1, 2016

Probability
suppose 45 students in an organization are male and 55 are female. Ten females and 15 males in the organization are graduating students. What is the probability that a: a.) student chosen at random is male or a graduating student? b.) students chosen at random is female ...
November 1, 2016

la
tolerance definition
November 1, 2016

social studies
its your boy is 100%
November 1, 2016

Social Studies
Is it b
November 1, 2016

Chemistry
Formula of (ch3ch2)2chch2ch(ch3)2
November 1, 2016

language arts
whats the answer
November 1, 2016

Calculus
Haha! Thank you!
November 1, 2016

Calculus
Find dy/dx at the point (-3, 1) for the equation x = y^3-9y^2+5. A. -1/17 B. -1/13 C. -1/15 D. 1/17 E. 1/15 I posted this question before with a typo, but the point still doesn't appear to be on the graph of the function.
November 1, 2016

Math
Calculate the pH and pOH in 5.10-3M HNO3
November 1, 2016

pre algebra 8th grade
Thank you so much.
November 1, 2016

Physics
A body A of a mass 0.16 kg exerts a force of 6.2x10^-10 N on a body B when the distance between their centers is 0.37 meters. What is the mass of body B?
November 1, 2016

physics
A block and tackle has a velocity ratio of 4 and it is used to vertically raise a load of mass 50kg.if the effciency is 80%,determine the minimum effort reguired to raise the load.
November 1, 2016

Converse of the Pythagorean Theorem
Can you please help me and my grandson? It says: The length of the sides of the triangle are 5m, 6m, and 7m. Is the triangle acute, right, obtuse? How can I check my answer to see if it was right?
November 1, 2016

Algebra Pythagorean Theorem
Can you please help me answer these and explain? Please? Determine whether the given lengths can be side lengths of a right triangle. 1) 6ft, 10ft, 12ft 2) 10in, 24in, 26in 3) 20m, 21m, 29m 4) 15cm, 17cm, 21cm 5) 14ft, 22.5ft, 26.5ft 6) 12yd, 35yd, 38yd
November 1, 2016

Calculus
Find dy/dx at the point (-3, 1) for the equation x = y^3-9x^2+5.
November 1, 2016

Trig
find all solutions of 2sinx=1-2cosx in the interval from 0 to 360
November 1, 2016

Statistics
Your pocket contains 2 quarters and 2 Nickels. You randomly pick one of the coins and without replacing it you pick a second coin. Are the events, Q1 = First pick was a quarter Q2 = Second pick was a quarter a) Independent? b) What is the probability of getting a quarter both ...
November 1, 2016

Math
Alex can complete a model rocket assembly in four hours less time than it takes Sean. Working together, they can complete the assembly in one and a half hours. How long would it take Alex to do the assembly working alone?
October 31, 2016

Math
Gabriel can ride his bike three times faster than he can run. He runs 9 miles and bikes 45 miles. If the total time for both activities is four hours, how fast can he run ?
October 31, 2016

Adv. functions
When you simplify: sin(pi+x)cos((pi/2)-x)-cos(pi+x)sin(x+(3pi/2)) What's the answer cause I got -2sinxcosx, which I don't know if can simplify to -2sinx But the answer key says -1 so. I'm not sure how to get that
October 31, 2016

mgf liberal arts
Four accounting majors, two economics majors, and three marketing majors have interviewed for five different managerial positions with a large company. Find the number of different ways that five of these people could be hired if the first two positions are to be filled by an ...
October 31, 2016

Science
What caused the syringe to leave a puddle of water after sitting in the sun for 10 minutes ?
October 31, 2016

Math
Situation: You exercised 24 hours each month for a year. How many hours did you exercise by the end of the year? You may be able to do the math mentally thanks to expanded notation and the Distributive Property How would I put this into distributive property??
October 31, 2016

chemistry (charges)
just want to check if this group is neutral, R-NH2 thanks!
October 31, 2016

check my work (american goverment)
Amelia is correct
October 31, 2016

check my work (american goverment)
1.C
October 31, 2016

check my work (american goverment)
1.  Why was the Department of Defense created? (1 point) to place the U.S. Army and Navy in one executive department to establish a military chain of ...
October 31, 2016

ENGLISH FAST!!!!
Which synonym for fear most strongly suggests a fear that causes one to freeze in terror? Alarm Dread Fright Panic I say D
October 31, 2016

Language Arts urgent!!
thanks
October 31, 2016

Language Arts urgent!!
Oh, it is dictionary!!!
October 31, 2016

Language Arts urgent!!
Dictionary Encyclopedia Thesaurus Wikipedia I think Encyclopedia. Is that right??
October 31, 2016

Language Arts urgent!!
A student is writing a paper and needs to make sure she is using the word apprehension correctly. What reference book would help her check its part of speech?
October 31, 2016

Math
I need help with all of it
October 31, 2016

math
Suppose you deposit $600 in a savings account. The interest rate is 4% per year. Find the principal balance in the account after six years
October 31, 2016

Maths
A hexagon has 6 sides, find the sum of the interior angles.
October 31, 2016

science, organic chemistry
Determine the amount of compound remaining in the aqueous phase and organic phase and organic phase if a 5.0g organic compound is dissolved in 100 mL of water and is extracted with three 50-mL portion of ether (kb= 10). Compare this with one 150 ml portion with ether. Which is...
October 31, 2016

Physics
Hi
October 30, 2016

Soail STuddies
Why was agriculture important and life-changing for Ancient Egyptians?
October 30, 2016

Physics 11 steve or any physics teacher helpURGENT
thanks, why does total momentum need to be conserved?
October 30, 2016

Finance 300
Suppose a stock had an initial price of $94 per share, paid a dividend of $2.50 per share during the year, and had an ending share price of $76.50.
October 30, 2016

History
Is there a website that shows all the holidays they celebrate?
October 30, 2016

History
I'm doing a project for the Republic of Congo (Not the Democratic) and I have to find a holiday celebrated there and explain and name one food eaten on that holiday I chose National Youth Day but I cant find a specific food they eat on that day. Can anyone help?
October 30, 2016

Social studies
What are the causes of contemporary social problems
October 30, 2016

engineering
During drilling of a deep oil well, the drill pipe got rigidly stuck. It was necessary to determine the depth at which the jamming occurred. The engineer ordered the pipe subjected to a large upwards tensile force, i.e., she pulled on it. As a result, the top of the pipe came ...
October 30, 2016

Algebra One
Find the 20th term for 5,-5,-15,-25
October 30, 2016

Lang Arts
STORIES OF USEFUL INVENTIONS, excerpt By S. E. Forman 1911 THE MATCH There never was a time when the world was without fire, but there was a time when men did not know how to kindle fire; and after they learned how to kindle one, it was a long, long time before they learned ...
October 30, 2016

Maths
a bottle is 1/4 full of drink. If 500 ml of drink is added to it the bottle is 2/3 full. How many milliliters does the bottle hold when it's full?
October 30, 2016

Math
divide the sum of 19/16 amd 13/4 by thier difference
October 29, 2016

Math
Find the area of a path 2 metres wide built around a rectangular pool 10m by 4m.
October 29, 2016

math
Three bells toll at intervals of 8 minutes, 15 minutes and 24 minutes respectively. If they toll together at 3 p.m, at what time will they next toll together again?
October 29, 2016

Science
Cost is an example of _____ in designing a product. A. a constraint B. a solution C. a trade-off D. an idea is the answer A?
October 29, 2016

Science
Identifying the cause of any problems in a design is called _____. A. Patenting B. Brainstorming C. Prototyping D. Troubleshooting is the answer D?
October 29, 2016

Science
Identifying the cause of any problems in a design is called _____. A. Patenting B. Brainstorming C. Prototyping D. Troubleshooting is the answer D?
October 29, 2016

Science
Identifying the cause of any problems in a design is called____.
October 29, 2016

1 MATH QUESTION
When using the midpoint formula, what is different between a number line and a coordinate plane?
October 29, 2016

Algebra 2
Express log A in terms of the 2 logarithms of prime numbers: A= (sqrt(3)*sqrt4(125))/7^3
October 29, 2016

math
If a dark-haired mother and father have a particular type of gene than the probability that any child that they have will be light-haired is 0.25. What is the probability that all three children will have light hair? Thanks.
October 29, 2016

math
I solved it. Thanks anyway. (1/125)
October 29, 2016

math
You are writing multiple choice test. Each question has 5 choices, only one of which is correct. You have no idea how to answer three questions. What is the probability that you will get all three of these questions correct if you guess the answers? Please help. I'm ...
October 29, 2016

math
A manufacturer of calculators would like to separate defective calculators from calculators that are acceptable. Through an error, a shipment of twelve calculators is sent out containing three defective calculators and nine working calculators. A customer buys five of these ...
October 29, 2016

math
Hospitals contain backup generators in case of power failure. A hospital has two backup generators each of which has a 2% probability of failure. Only one generator is needed to supply emergency power. What is the probability that the backup system will work in the case of a ...
October 29, 2016

Physics
Did you get the answer?
October 29, 2016

Physics
Somebody once told me the world is gonna roll me
October 29, 2016

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