Monday

December 22, 2014

December 22, 2014

Total # Posts: 542

**Science**

YEs but i am confused what would the answer be?
*January 17, 2013*

**Science**

no thats what i need help with!
*January 17, 2013*

**Science**

WHat would the fraction be Miss SUe
*January 17, 2013*

**Science**

Name a dormant volcano?
*January 17, 2013*

**Science**

WHat fraction of the earth is covered in water? Forgot my science book HELp
*January 17, 2013*

**Science math**

Thank you both very much.
*January 7, 2013*

**Science math**

Suppose a laboratory has a 38 g sample of polonium-210. The half-life of polonium-210 is about 138 days. How many half-lives of polonium-210 occur in 1104 days? How much polonium is in the sample 1104 days later?
*January 7, 2013*

**math**

The table below shows the rates for parking a car in a parking lot. According to the pattern shown in the table, how much would it cost to leave a car in the lot for 2 full days? ~TABLE~ 1 hour: $1.00 2 hours: $1.75 3 hours: $2.50 4 hours: $3.25 A. $36.00 B. $36.25 C. $36.50 D...
*December 30, 2012*

**mathematics**

1. If $ is defined for all positive numbers x and y by x$y = 3x + 8y - y^3, then 10$2 = A. 38 B. 102 C. 14 D. 20 2. If & is defined for all positive numbers w and z by w & z = 15wz - 10w + 2 then 3 & 4 = A. 67 B. 77 C. 142 D. 152 3. All of the following are in the domain of f(...
*December 30, 2012*

**science**

help on the moon
*December 18, 2012*

**science**

u have 2 make a cool rhyme.if u like rap then rap it.Trust me i learned that in 6th grade.Its really easy.
*December 18, 2012*

**math**

A student completed 44% on a test. He completed 22 question. Then how many questions are on the test
*December 17, 2012*

**Genetics 7th**

female is dominant
*December 13, 2012*

**3rd grade language**

circle when the word means your doing something ex:running/action/verb.
*December 11, 2012*

**Pysics**

A wooden bucket ﬁlled with water has a mass of 59 kg and is attached to a rope that is wound around a cylinder with a radius of 0.071 m. A crank with a turning radius of 0.29 m is attached to the end of the cylinder. What minimum force directed perpendicularly to the ...
*December 7, 2012*

**Pysics**

A mother and daughter are on a seesaw in the park. How far from the center must the 127 lb mother sit in order to balance the 49 lb daughter sitting 7 ft from the center?
*December 7, 2012*

**Math**

The difference between my digits is 7. When you divide me by the sum of my digits, the quotient is the sum of my digits. That makes me a perfect you know what! Which number am I?
*December 4, 2012*

**Math**

When you add the number of rows in my array to the number in each row, you get 15. My digits add up to 9. Which number am I?
*December 4, 2012*

**Math**

One of my factors is 5 more than another of my factors. My digits add up to 6. I am less than 50. Which number am I?
*December 4, 2012*

**Math**

If you count backward from me to divide me by 8, the sixth number you reach is 48. Which number am I?
*December 4, 2012*

**Math**

I am a perfect square that is 11 more than a perfect square and 13 less than a perfect square. Which number am I?
*December 4, 2012*

**Math**

I am divisible by four factors in addition to 1 and myself. I am 7 less than a number with a square array. I am less than 24. Which number am I?
*December 4, 2012*

**Calculus**

Consider a manufacturer whose total cost of producing x items is given by c(x)=10000+5x+1/9x^2. a. What is the average cost function A(x)= c(x)/x? b. How many items should the manufacturer produce in order to minimize average cost? c. What is the smallest average cost? d. Find...
*December 4, 2012*

**Nutrition**

What is the portion size of a #8 scoop?
*November 27, 2012*

**physics**

A tank of height H is filled with water and sits on the ground. Water squirts from a hole at a height y above the ground and has a range R. For two y values, 0 and H, R is zero. Determine the value of y for which the range will be a maximum. (Use any variable or symbol stated ...
*November 27, 2012*

**Physics**

What is the frequency of a sound wave in air at 20°C that has a wavelength of 0.4 m?
*November 27, 2012*

**Physics**

A 40,000 kg railroad car initially traveling at 10 m/s collides inelastically with a 20,000 kg railroad car intially at rest. The cars stick together. What is their final speed?
*November 19, 2012*

**Physics**

A 40,000 kg railroad car initially traveling at 10 m/s collides inelastically with a 20,000 kg railroad car intially at rest. The cars stick together. What is their final speed?
*November 19, 2012*

**Physics**

A 40,000 kg railroad car initially traveling at 10 m/s collides inelastically with a 20,000 kg railroad car intially at rest. The cars stick together. What is their final speed?
*November 19, 2012*

**Physics**

A crate with a mass of 40 kg is being dragged along a horizontal floor at a constant velocity by an applied force of 180 N. What is the coefficient of kinetic friction? (g = 10 m/s2
*November 9, 2012*

**English/Literature**

I have to write an essay, but I just need help with coming up with some ideas. In the essay, I have to compare/contrast the plays "Ajax" OR "Electra" (both are by Sophocles) with the "Iliad" (by Homer). I CANNOT mention similarities/differences in...
*October 23, 2012*

**Math(Algebra)**

If an arrow was shot at such an angle that for every second of travel a lateral change of 50 feet away from the archer was gained, how far away does the arrow land from cliff base?
*October 17, 2012*

**Math(Algebra)**

Thanks Steve
*October 5, 2012*

**Math(Algebra)**

An arrow is shot vertically upward from the top of a cliff 80 feet tall, with an initial velocity of 64 ft/s, (the acceleration due to gravity is -16ft/sec). a. Write the quadratic equation representing this scenario when h is 0. b. Find the roots (solutions) for this ...
*October 5, 2012*

**history**

C. Fifteenth Amendment
*October 5, 2012*

**Science**

A gun fires a shell at an angle of elevation of 30 degrees with a velocity of 2*10^3m/s. What is the horizontal and vertical component of the velocity? What is the range of the shell? how high will the ball rise
*September 29, 2012*

**algebra**

Pat had $3. He gets some money from his parents. He now has twice as much money as Dani. Write an expression to represent how much money Dani has. Tell what the variable represents.
*September 25, 2012*

**English**

The rain forest is very wet, it gets more than 80 inches of rain each year. Run on right?
*September 24, 2012*

**English**

fragment
*September 24, 2012*

**English**

Sentence
*September 24, 2012*

**English**

Thirty million different kinds of insects sentence run on or fragment
*September 24, 2012*

**English**

Sentence
*September 24, 2012*

**English**

THe tall trees block the blue sky? Sentence run on or fragment?
*September 24, 2012*

**ENglish**

fragment
*September 24, 2012*

**ENglish**

THree fourths of all plants and animals. Sentence run-on or fragment?
*September 24, 2012*

**English**

A rain forest is always green many plants grow there. Is this a fragment, run-on or complete sentence?
*September 24, 2012*

**Social Studies**

Name 2 Natural Resources and tell me how you can take care of them? How do people use them to make a living?
*September 23, 2012*

**social studies**

california
*September 23, 2012*

**social studies**

Central Valley what Cities are in that region? What can you find there, see or do, jobs and natural resouces that you might find ther. Why is that region great?
*September 23, 2012*

**Social Studies**

What is a human resource? Name some examples of human resources and how they help the world?
*September 23, 2012*

**social studies**

Name 2 Natural Resources? How can you take care of them? How do people use them to make a living?
*September 23, 2012*

**social studies**

Name 2 Natural Resources and tell how you can take care of them. How do people use them to make a living?
*September 23, 2012*

**Social Studies**

Which three countries makes up most of North America?
*September 20, 2012*

**English**

The total suprised us and pleased us. Is this right?
*September 17, 2012*

**English**

Combine each pair of sentences use and,but,or, to join the two predicates The total suprised us. The total pleased us.
*September 17, 2012*

**English**

Thanks
*September 17, 2012*

**English**

Would the answer be Ray baked and served cookies. the simple predicates would be baked and served.
*September 17, 2012*

**English**

Write each sentence pair. Underline the simple predicates then write a conjunction you could use to join them. Ray baked cookies. Ray served cookies.
*September 17, 2012*

**math**

i am less than one million.The number in the left most place is a 9. The numbers in each place to the right is 2 less than the previous number.I have no ones.What number am i?
*September 16, 2012*

**simple subject**

what is the simple subject in this sentence Jenna enjoyed working and Patrick enjoyed work.
*September 13, 2012*

**math**

i am a number less than 10.my hundreds digit is 3 more than my thousands digit,my tenths is 2 less than my hundreds and my ones is the sum of my tenths and hundreds digits.what number can i be?
*August 23, 2012*

**Maths**

What is the square root of:- a)6889 b)1681
*June 8, 2012*

**english**

How to make a sonnet poem with 10 syllables
*May 14, 2012*

**Math**

A rectangular solid has a base area of 43.3 sq inches and a height of 50 inches a triangular prism has a base in the shape of an equilateral triangle and a height of 50 inches. the volumes for both shapes are equal. find the side of the equilateral triangle for the base of the...
*May 12, 2012*

**Maths**

The sum of the 2digits of a 2 digit number is 15. If th number formed by reversing the digits is less than the orginal number by 27.Find the orginal number
*May 8, 2012*

**DATA HELP!!**

Estimate the population size of a bird species if in 100 sightings along a migration path, 25 were ringed, and it is known that 500 of the birds had been ringed before the sightings?
*May 3, 2012*

**English arts 1 Nouns**

Aaron plans to attend college once he completes this course workbook. im suppose to identify the nouns in the sentence the nouns are Aaron,college,workbook right? im debating on course idk? help lol
*May 3, 2012*

**Data Management**

Estimate the population size of a bird species if in 100 sightings along a migration path, 25 were ringed, and it is known that 500 of the birds had been ringed before the sightings?
*May 2, 2012*

**Data Management**

Verify that the expression formula for a hypergeometric distribution gives the same result as the general equation for the expectation of any probability distribution.
*May 2, 2012*

**Data Management**

A box contains 14 yellow, 6 green, 10 purple, and 12 red candies jumbled together. What is the expected number of red candies among 5 candies poured from the box?
*May 2, 2012*

**Math**

Hey, I'm confused on this one problem and can you help me please? Thanks a bunch! :] The problem is: The figure consists of a square with 4 half circles surrounding it. If the perimeter of the figure is 87 yards, what is the radius of each half circle? What is the area of ...
*April 25, 2012*

**Algebra2**

The area of a rectangular field is x^2-x-72 m^2. The length of the field is x+8 m. What is the width of the field in meters?
*April 5, 2012*

**First Year Chemistry**

I have a question that I don't understand from my first year chem lab. Calculate the minimum volume of water needed to decompose all the excess Ethanoic Anhydride. Recall: 1.0g of H2O = 1.0 ml of water. How do I go about doing this?
*March 11, 2012*

**Math**

What is a motion pattern?
*March 8, 2012*

**English-metaphors**

It must be nice," she said. "It must be very nice. I wish women could do such things." "It ain't the right kind of a life for a woman. Her upper lip raised a little, showing her teeth. "How do you know? How can you tell?" she said. "I don...
*February 20, 2012*

**English-metaphors**

Is this quote a metaphor? "That's a bright direction, there's a glowing there." In context it seems like a metaphor since the direction she is looking in is not actually bright or glowing. there was a lot of text for the question but I thought it e too much. ...
*February 20, 2012*

**Geometry**

27....remember is volume 3x3x3
*February 15, 2012*

**Geometry**

Help me today,please!Don't give me the answers if you don't want to,but please give me an idea of what im supposed to do! :(
*February 13, 2012*

**Geometry**

Two angles of triangle FGH measure 33 degrees and 57 degrees.What is the measure of the third angle in FGH?
*February 13, 2012*

**Trigonometry**

Add and subtract as indicated. Then simplify your answer if possible. Leave answer in terms of sin(θ) and/or cos(θ). (Remember to enter trigonometric powers such as sin2(x) as (sin(x))2.) 1/sin-sin=
*January 30, 2012*

**Chemistry**

How does the formation of metallic bonds explain the fact that metals tend to conduct electricity?
*January 23, 2012*

**Science **

How does the formation of metallic bonds explain the fact that metals tend to conduct electricity?
*January 23, 2012*

**geometry**

If 3 inches represent 18 miles, what do 7 inches represent?
*January 19, 2012*

**Algebra**

c=6350/(425-3x) What is the cost and equation to remove 99% of the pollution in the pond?
*December 15, 2011*

**Algebra**

The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: C=6350/(425-3x) . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal. Can someone tell me how figure this out step by step recheck my ...
*December 15, 2011*

**precalc**

Suppose that z1=6-8i. Find: A. The Trig Form of the complex number z1, where your theta is in degrees. B. The Trig form of z1*z2, where z2=5[cos(60degrees)+isin(60degrees)] C. The Trig Form of (z1)^4
*December 5, 2011*

**Pre-Calculus(Help)**

Partial Fraction of the Rational Expression: x^2+x+8/x^3+x
*December 4, 2011*

**Economics**

Do you feel there are any imbalances to our wage structure in our economy? why? give an example
*December 4, 2011*

**spanish**

Al principio del cuento, el narrador y su familia de braceros migratorios tenían que mudarse a Fresno porque la cosecha de las fresas se había terminado. El narrador estaba triste porque no quería cambiar su vida, pero sus hermanos estaban emocionados ...
*December 4, 2011*

**Math**

Jim Gray invested $8,500 four times a year in an annuity due at All-Star Investments for a period of 3 years at an interest rate of 12% compounded quarterly. Using the ordinary annuity table , calculate the total value of the annuity due at the end of the 3-year period. The ...
*December 3, 2011*

**Further maths**

The 7th term of an A.p is 20 and the 13th term is 38 find the ,1,70thterm ,2,11thterm
*November 30, 2011*

**Further maths**

The 7th term of an A.p is 20 and the 13th term is 38 find the ,1,70thterm ,2,11thterm
*November 30, 2011*

**World History**

Which Christian empire in southwest Asia did the Ottomans conquered? What was the capital of the Christian Empire in southwestern Asia that the Ottomans conquered?
*November 17, 2011*

**reproductive system**

What does pamouseen mean inreproduction
*November 4, 2011*

**calculus**

do you happen to see a slant asym.?
*October 26, 2011*

**calculus**

what is the vertical asymptote and horizontal asymptote of f(x) =1/4x^4-(3/2)x^(1/2)
*October 26, 2011*

**cj**

what is the sum of 756 and 249?
*October 26, 2011*

**Physics**

A particle of mass 5 kg is acted upon by a horizontal force of magnitude 16 N for 8 seconds, in which time it moves from rest until it is traveling with a speed v m/s. The particle continues to move with this speed for the next 15 seconds. it is brought to rest by the ...
*October 19, 2011*

**Mechanics**

A particle of mass 5 kg is acted upon by a horizontal force of magnitude 16 N for 8 seconds, in which time it moves from rest until it is traveling with a speed v m/s. The particle continues to move with this speed for the next 15 seconds. it is brought to rest by the ...
*October 19, 2011*

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