Thursday
October 30, 2014

Posts by ANONYMOUS


Total # Posts: 73,520

Math HELP!
C is the right answer or A?
October 21, 2014

Math HELP!
maybe C?
October 21, 2014

Math HELP!
As estimate for square root 47 is between? A. 4 and 5 B. 5 and 6 C. 6 and 7 D. 7 and 8 Is the answer A? Thanks
October 21, 2014

Math
Thank you
October 21, 2014

Math
Joy knits a square blanket that has an area of 1,500 square inches. What is the approximate length of each side of the blanket? A. 16 inches B. 27 inches C. 39 inches D. 42 inches Is the answer C? Thank you
October 21, 2014

Math HELP!
Thank you Ms. Sue! :)
October 21, 2014

Math HELP!
Sorry I meant to put D.
October 21, 2014

Math HELP!
Rosa, Roberto, Andrea, and Inno find an estimate for square root 10. Who has proposed the best solution? A. Rosa: "Use square root 9 and square root 25 to estimate." B. Roberto: "I will use square root 4 and square root 9." C. Andrea: "It should be ...
October 21, 2014

Algebra: Answer Check
(2 - 7i) - (5 - 3i) = -3 - 4i (1 + 2i) + (3 + 4i) = 4 + 6i
October 21, 2014

math
What is the perimeter of a triangle with the given side lengths? s1 = x + 4 cm s2 = 3x + 1 cm s3 = 7x + 3 cm
October 21, 2014

Statistics
h
October 21, 2014

Chemistry
Predict and draw the structure of the product of the reaction of the following substrates with the given reducing agent. 2-hexanone mixed with hexanoic acid with (i) NaBH4 (ii) LiAlH4
October 21, 2014

algebra
One integer is 3 less than 4 times another. Their product is 27. Find the integers.
October 20, 2014

physics
what is the work with a force of 19.3 N and a displacement 7 m and an angle of 80.0
October 20, 2014

Pre-Calc
You are taking a road trip in a car without A/C. The temperture in the car is 93 degrees F. You buy a cold pop at a gas station. Its initial temperature is 45 degrees F. The pop's temperature reaches 60 degrees F after 23 minutes. Given that \frac{T-A}{T_0 - A} = e^{-kt} ...
October 20, 2014

chemistry
use kelvin, not celsius
October 20, 2014

math
Jordan is making a beaded necklace, 2/3 of the beads she uses are red and 4/21 of the beads are blue, she wants the rest to be white, what fraction of the beads should be white?
October 20, 2014

Math HELP!
An estimate for -square root 66 is (blank) A. -6 B. -7 C. -8 D. -9 Is the answer C? Thank You
October 20, 2014

Art
What is an artwork source, because I dont know what to put in that field. Is it where I got the my idea from in my drawing, if so would a book where I got my idea be ok? Thank you
October 20, 2014

Math HELP!
Ok thank you, I just redid it and I can see that C is the answer.
October 20, 2014

Math HELP!
Then what do I pick, A?
October 20, 2014

Math HELP!
So the answer is A for the square root of 5
October 20, 2014

Math HELP!
Which two square roots are used to estimate square root 5? A. Square root 1 and square root 2. B. Square root 2 and square root 4. C. Square root 4 and square root 9. D. Square root 9 and square root 16. Is the answer B? Thanks
October 20, 2014

Algebra 2
0=x^3 - 27x You can factor out an x on right hand side 0= x(x^2-27) X=0 X=-sqrt(27) X=sqrt(27)
October 20, 2014

geometry
Find the dimensions of a rectangle if the area is 1500 ft to the 2nd power
October 20, 2014

government
why?
October 20, 2014

government
How doe Congress protect the rights of authors and inventors?
October 20, 2014

calculus
So I can just use the point-slope formula to solve equations like this?
October 20, 2014

government
What is the impeachment power of the House?
October 20, 2014

jh
oh
October 20, 2014

jh
why do you help children?
October 20, 2014

Chemistry
An aqueous solution of ammonium nitrite decomposes when heated to give off nitogen gas and water. This reaction can be used to prepare pure nitrogen gas. How many grams of ammonium nitrite must have reacted if 3.75 liters of nitrogen gas was colleced over water at 25˚C ...
October 20, 2014

physics
A centrifugal pump pumps 100 lbs/hr of water 100 ft high to the top nozzle of a distillation column. The pump impeller is 3 ft diameter?
October 20, 2014

French
What are some phrases a teacher can use to introduce himself/herself in French?
October 20, 2014

Algebra
I need help explaining how to work this problem for my daughter... What is the value of n so that the expression x² + 11x + n is a perfect square trinomial? 11 25 30.25 I know this is the answer but how 36
October 20, 2014

Algebra: Answer Check
1. (4i) + (2 + 8i) = 2 + 12i 2. 6i + 4i = 10i
October 20, 2014

chemistry
i figured this one out
October 20, 2014

English
Studying verbs and participles. Am I right to say falling is a verb in following sentence? The snow had been falling all night. Trying to learn and think I am pretty sure a verb, LOL!
October 20, 2014

science
1. radioactive decay occurs when atoms A- lose mass B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where would ...
October 20, 2014

Spanish
How do I say "I used to roller skate, jump rope, and ride my tricycle" in spanish?
October 20, 2014

science
How to do an outline investigation plan?
October 20, 2014

Jay
Please help me to solve this problem. Thank you in advance for helping to solve this problem. Have a great day. Here is the question? Use the point-slope form to write the given slope and point. Leave the equation in that form: slope 7/8, passes through (-2,-9)
October 20, 2014

French
La photo, c'est ton truc? Does photo here mean photo in English or photography?
October 20, 2014

SS
Is Ottawa valley an actual valley?
October 19, 2014

Math
an ice cream cone contains one spherical scoop of ice cream,the diameter of the scoop of ice cream is the same as the diameter of the cone. If the ice cream melts, will the cone overflow? Justify your answer. 4cm spherical scoop of ice cream diameter of cone- 7cm
October 19, 2014

Math
Examine the given right angle triangle. Are the side lengths given in the diagram possible? Justify your answer. lengths: 2.4m, 9.2m, 4.7m
October 19, 2014

Math/Science
Three bullets are fired simultaneously by three guns aimed toward the center of a circle where the bullets mash into a stationary lump. The angle between the guns is 120°. Two of the bullets have a mass of 9.30 10-3 kg and are fired with a speed of 440 m/s. The third ...
October 19, 2014

math
Find the surface area of a right rectangular pyramid with a base 10 in by 8 in and a height of 10 in. (Answer to the nearest square inch)
October 19, 2014

statistics
a researcher wants to find a model that relates square footage
October 19, 2014

math
ooooh no wonder i used the sa formula! thank you
October 19, 2014

math
A jade necklace is made up of 100 spherical jade beads. Each bead has a diameter of 7 mm. What is the total amount of jade, in cubic millimetres?
October 19, 2014

math
a post is put every 6 feet along a rectangular fence that is 42 feet long and 36 feet wide. how many posts are needed?
October 19, 2014

math
A large greenhouse is built in the shape of a right square pyramid with base lengths of 26 m, and a slant height of 35.4 m. How much glass, to the nearest square metre, is needed for the greenhouse? (Lateral area only)
October 19, 2014

Math
The volume of a cone is 8.1 cubic yards. The cone has a height of 2.4 yd. What is the diameter of the cone to the nearest tenth of a yard?
October 19, 2014

physics
The distance between two nearest nodes of a standing wave is 22.9 cm. Hand generated pulses move up and down through a complete cycle five times every seven seconds. Find the velocity of the wave. Answer in units of m/s
October 19, 2014

Math
Giselle has a block of wood that measures 14 cm by 12 cm by 10 cm. She is making a wooden ball in tech class. a) What percent of the wood is wasted? b) What assumptions are you making?
October 19, 2014

SS
Is Jumbo Glacier in Canada actually a glacier or only a mountain resort?
October 19, 2014

Algebra
What polynomial could you subtract from 5x^3 - 12x - x^2 + 9 - 12x^5 - 6x^4 to give a difference of 19 + 8x^3 - 18x - 19x^5 - 2x^2 - 8x^4?
October 19, 2014

science
1. radioactive decay occurs when atoms A- lose mass B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where would ...
October 19, 2014

Orgo Lab
146
October 19, 2014

Orgo Lab
Recrystallization is often used at the end of a synthesis. Choose the most accurate answer/s to explain the purpose of recrystallization and how it is done effectively? Note there may be more than one correct answer. 1.Dissolve the crude product in the minimum amount of cold ...
October 19, 2014

science
What is the visual reaction when CuSO4 and NaCO3 is combined? I know what to do, I just forgot the info at school and I need this done by tomorrow. I would prefer to figure it out on my own but I don't have the chemicals at my house and I can't find anything online to ...
October 19, 2014

psychology
Ms sue I tried.. I will try again then post
October 19, 2014

statistics
what is the percentage of the area under the curve is above the mean of the normal curve
October 19, 2014

physics
a soldier climbs a cliff with a pull of 750N on the rope and th rope is 22 degrees to the cliff . how much is he pulling.'
October 19, 2014

physical chem
calculate work when 1mol of H2O is heated from 0-100 degrees C at fixed pressure of 1atm.
October 19, 2014

Algebra
Angel service club is selling flowers. Cost if flower is .50. Sales price is cost of flower plus 40%. How many flowers do they need to sell to make profit of $500
October 18, 2014

physics
What is the velocity of the fallen ball that has 5kg
October 18, 2014

calculus
use differentials to determine by approximately how many centimeters does the diagonal of a square table increase if its area is increased from 50 square centimeters to 54.45 square centimeters? Area= s^2 Diagonal= sqrt(2s^2) so, D= sqrt(2A) dD=A^(-1/2) dA dD= 50^(-1/2)* 4.45 ...
October 18, 2014

Music
Is Sonata by Domenico Cimarosa in binary form?
October 18, 2014

math
it is a 3 digit number all the digits are different the first and second digits are multiple of 3 the first digit is greater than the second digit. the sum of the first two digits is 7 more that the third digit the number is not a multiple of 5 the third digit is greater than 3
October 18, 2014

Physics
2
October 18, 2014

Physics
Sanjay's air boat starts from rest and accelerates at 8.7 m/s2 for a distance of 176 meters. How fast is it moving at the end of the 176 meters?
October 18, 2014

Calculus
If G(x)=(x)/(1+2x), find G'(a) and use it to find an equation of the tangent line to the curve y=(x)/(1+2x) at the point (-1/4,-1/2). My answer: G'(a)=1/(1+2x)^2 Equation of tangent line: y= 4x+0.5
October 18, 2014

Calculus
A pebble is dropped from an open window 100 meters above the ground. a) What is the velocity of the pebble after 2 seconds? b) What is the velocity of the pebble when it hits the ground?
October 18, 2014

Calculus
Find the slope of the curve f(x)=1/(x^2+3). My answer: (-2x)/(x^2+3)^2
October 18, 2014

Calculus
The number of bacteria after t hours in a controlled laboratory experiment is n=f(t). Suppose there is an unlimited amount of space and nutrients for the bacteria. Which do you think is larger, f'(5) or f'(10)? If the supply of nutrients is limited,would that affect ...
October 18, 2014

Computer Science
class Employee{ public static void main(String[]args) { float hours; String lastName, firstName; char letter; float rate; boolean Y; boolean N; System.out.println("What is your first name?"); firstName = In.getString(); System.out.println("What is your family&#...
October 18, 2014

Calculus
The cost of producing x ounces of gold from a new gold mine is C=f(x) dollars. Do you think the values of f'(x) will increase or decrease in the short term? What about the long term? Explain.
October 18, 2014

Art
I am.
October 18, 2014

Algebra
(1990,52),(1992,55),(1994,59), (1996,63),(1998,66) With out calculating find a 2-year period that had a greater rate of chsnge than 1990-1992 explain your reasoning
October 18, 2014

Algebra
find the complex zeros of the polynomial. Write f in factored form: F(x)= 2x^2-5x^3-20x^2+115x-52=0
October 18, 2014

Algebra Help
Form a Polynomial f(x) Degree: 4, Zeros: 2+2i;-5, Multiplicity:2 f(x)=a(______________)
October 18, 2014

Spanish please?
to warn people of harm to protect men late at night to drive off evil spirits to care for people's children Discuss different things you can do in Punta del Este, Uruguay. Describe how the Pan American Games were established. 23. Give two reasons why the work of Marí...
October 18, 2014

Spanish Questions?
16. What makes Pan American Games different from the Olympic Games? some sports are unique, like jai alai they are celebrated every 2 years only Cuba can host them they are celebrated every 6 years 17. Which theory was developed based on observations made on the Galá...
October 17, 2014

algebra 1
4=18-3w 18 - 3w=4 +18 +18 -3w=22 7 1/3
October 17, 2014

biology
Part A. Making Visual Connections with the Textbook (5 points) You can answer these in a Word document, indicating the question number followed by your answer. Below is the Absorption Spectrum of Photosynthesis. As your textbook explains, plants have a number of light-...
October 17, 2014

Calculus
The number of bacteria after t hours in a controlled laboratory experiment is n=f(t). Suppose there is an unlimited amount of space and nutrients for the bacteria. Which do you think is larger, f'(5) or f'(10)? If the supply of nutrients is limited,would that affect ...
October 17, 2014

Calculus
The cost of producing x ounces of gold from a new gold mine is C=f(x) dollars. Do you think the values of f'(x) will increase or decrease in the short term? What about the long term? Explain.
October 17, 2014

Calculus
1. If the tangent line to y=f(x) at (4,3) passed through the point (0,2), find f(4) and f'(4). My answer: f(4)=3 f'(4)=1/4
October 17, 2014

computer literacy
A computer worm is most likely to attack
October 17, 2014

chemistry
Table salt, NaCl(s), and sugar, C12H22O11(s), are accidentally mixed. A 4.00-g sample is burned, and 3.30 g of CO2(g) is produced. What was the mass percentage of the table salt in the mixture?
October 17, 2014

Language arts
Which of the following exoresses a main idea from "Always to Remember"? A. Maya Ying Lin was a talented and smart college student who became a designer. B. Maya Ying Lin's family life, travel ecperiences, and education provided er a background necessary for a ...
October 17, 2014

MATH HELP PLEASE
Which statment is false? A. The number zero is a rational number. B. Some irrational numbers are also rational numbers. C. Every irrational number is a real number D. Every integer is a rational number Is the answer C?
October 17, 2014

Language arts
Which best describes Maya Ying Lin's design in "Always to remember" A. Place of healing, vertical like other monuments, durably made of stone. B. Harmonious with surrondings, place of healing, quiet memorial. C. Place of healing, political statement, quiet ...
October 17, 2014

physics
can u help me pleaseeeeee @Damon
October 17, 2014

MATH HELP PLEASE
Gee ok I get it please dont yell. Damon was sayigng what is the square root of 21 so I got confused
October 17, 2014

MATH HELP PLEASE
square root 21=4.582575695, so is the answer C? Because I do not understand what you are saying. C is the answer?
October 17, 2014

MATH HELP PLEASE
So the answer is 100000% D?
October 17, 2014

MATH HELP PLEASE
Which of these numbers can be classified as both real and irrational? a. 5.85 b. 63.4 c. square root 21 d. square root 36 Is the answer D?
October 17, 2014

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