Wednesday

October 26, 2016
Total # Posts: 182

**Physics**

A fireman, whose weight is 500 N, slides down a pole with an constant velocity of 3 m/s. The forces that act on him are his weight pulling him down and the force of friction pulling up on him. What is the force of friction and the net force of the fire fighter?

*October 18, 2016*

**Physics **

A ball is thrown toward a cliff of height h with a speed of 31 m/s and an angle of 60∘ above horizontal. It lands on the edge of the cliff 3.4 s later. What is the ball's impact speed?

*October 12, 2016*

**chemistry**

A metal bar having a mass of 212 g is heated to 125.0 C and then dropped into 375 g of water at 24.0 C. After a while the temp of the water and the metal is 34.2 C. If the specific heat of the metal is 0.831 J/g C, how much heat did the metal lose? How much heat did the water ...

*October 4, 2016*

**Trigonometry**

Is the given equation an identity or a conditional eqution sin(-x) tan(-x) + cos(-x) = sec x

*October 1, 2016*

**Chemistry**

Tell how a voltaic cell works. Be sure to mention the various parts of the voltaic cell and what they have to do with how it works

*June 1, 2016*

**Programming**

Design and plan the logic for a program that prompts the user for and allows the user to enter TWO numbers. The program outputs the sum of the two values. Provide declarations.

*April 28, 2016*

**History**

The economy's total output divided by its total population is called A. gross national product B. circular flow C. GDP per capital D. net export

*March 28, 2016*

**Math Help**

@Steve 3y^5-10y^5

*March 21, 2016*

**Math Help**

What is the sum or difference? A)-7y^5* B)-30y^5 C)-30y^10 D)-7y^10

*March 21, 2016*

**Whats the answer **

Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. 2-11x^2-8x+6x^2. A) -5x^2-8x+2; quadratic trinomial B) -5x^2-8x; quadratic binomial C) -6x^2-8x-2; cubic polynomial D) -8x+2; cubic trinomial

*March 21, 2016*

**Math**

ohhh so its B @Reiny

*March 21, 2016*

**Math**

Its C @Reiny

*March 21, 2016*

**Math**

The area of a rectangular garden is given by the trinomial x^2+x-30. What are the possible dimensions of the rectangle? Use factoring. A)(x-6) and (x-5)* B)(x+6) and (x-5) C)(x+6) and (x+5) B)(x-6) and (x+5)

*March 21, 2016*

**geography**

what marked the beginning of agriculture in the Americas

*February 11, 2016*

**Algebra**

The perimeter of a rectangular booth at the craft festival must be at least 58 feet. The width of JOhn's booth is 7 1/2 feet. What lengths of the rectangle will meet the required perimeter? 1. Define variable and write and inequality 2. Solve the inequality 3. Graph the ...

*January 14, 2016*

**math **

estimate each quotient 461 divided by 9

*January 4, 2016*

**science**

The answer is D.

*November 29, 2015*

**Chemistry**

What materials would be produced in the electrolysis of the following reagents? Please make sure that you correctly balance the equations! Also, please note the states of the reagents. NaCl (aq) --> NaCl (l) --> KBr (l) -->

*November 15, 2015*

**Math (Finite)**

If the amount of votes for each district is equal, it would be a tie.

*July 9, 2015*

**angles**

i do not know

*April 23, 2015*

**angles**

I am a closed figure formed by 6 segments. I have 2 angles less than a right angle and no right angles. What am I?

*April 23, 2015*

**9th grade geometry**

Rounded to the nearest hundred cubic meters, what is the total capacity (cone and cylinder) of the storage container? the cone is on top of the cylinder. the radius of the cone is 6 meters and the height of the cone is 8 meters. the height of the cylinder is 10 meters. im ...

*April 12, 2015*

**geometry**

FredFred wants to carpet his room that measures 12ft by 15ft. The carpet costs $25 per square yard. How much will it cost Fred to carpet his room

*March 19, 2015*

**vet tech**

the question is asking for the relative location of the ears when compared to the eye. Caudal is the correct answer.

*January 24, 2015*

**English**

Unscramble 18 letters to make 5 words. possibly Christmas related. SWYTURNRMHGESAHOEA are the letters and the sentence is broken down like this 5 words with this many letters in each word. 4/2/3/3/6 . Please help soon!

*January 9, 2015*

**Math**

You have a 50 cm x 50 cm card board. Squares with side length h are cut out of the corners and the sides are folded up to make a box. What polynomial represents the volume of the box formed?

*June 15, 2014*

**Astronomy**

5770

*May 6, 2014*

**English**

I need to change the word heavy into light only changing one letter at a time

*May 1, 2014*

**equations/mrs sue**

Think of what you would need to get the letter (t, r, or m in this case) by itself. 11/22=? -7/2 divided by 7 is the same as -7/2 times 1/7= -1/2 12 times 7 = ?

*April 16, 2014*

**genetics **

1) Mary has a widow's peak (either WW or Ww), but her sister has a smooth hairline (must be ww). Is either one of Mary's parents homozygous dominant or recessive? I think that that she has to have at least one of her two parents be homozygous something in order for ...

*April 16, 2014*

**Math**

What is 1/8 of 28? Of indicates multiply. 1/8 times 28=? Or, if you prefer, what is 28 divided by 8?

*April 16, 2014*

**Math**

Jane has a pizza shop. She has 1 type of crust, 1 type of sauce and 6 toppings. How many 2 topping pizzas can she make. Note the same topping can't be used for 1 pizza

*April 6, 2014*

**UCF**

First find how many moles is 100.0g of butane. Divide 100.0g / 58.14. So 1.72 mol of butane=-5271J. The mol coefficient of butane C4H10 is 2. So multiply the mole of butane by the coefficient to get -1.817*104kj

*April 2, 2014*

**PreCalc**

a. f(x)=6(3)^x b.3 c. no, yes

*March 17, 2014*

**Physics**

A 91.76-kg boater, initially at rest in a stationary 62.54-kg canoe, steps out of the canoe and onto the dock. If the boater moves out of the boat with a velocity of 3.52 m/s to the right, what is the final velocity of the boat?

*February 26, 2014*

**Physics**

A 91.76-kg boater, initially at rest in a stationary 62.54-kg canoe, steps out of the canoe and onto the dock. If the boater moves out of the boat with a velocity of 3.52 m/s to the right, what is the final velocity of the boat?

*February 26, 2014*

**Math Division Word Problem**

There are 180 minutes in 3 hours. How many minutes are there in 26 hours?

*October 9, 2013*

**chemistry**

Why were we instructed to add distilled water to a metal nitrate solution? What purpose does the water serve in the experiment? Just to add volume so the probe can reach the solution?

*October 7, 2013*

**math**

It's easy. It's A.

*October 5, 2013*

**Math Explanation problem**

How does adding partial products help you solve a multiplication problem?

*October 1, 2013*

**Math**

If a coin is flipped. And the spinner is spun, how many total outcomes are there? Explain. Numbers: 5,1,4,2,3 (all equal)

*May 23, 2013*

**~ Math Statistic **

A random sample of state gasoline taxes (in cents) is shown here for 12 states. Use the data to estimate the true population mean gasoline tax with 90% confidence. Does your interval contain the national average of 44.7 cents? 38.4 40.9 67 32.5 51.5 43.4 38 43.4 50.7 35.4 39.3...

*April 10, 2013*

**MATH**

I posted it once. But thanks.

*April 9, 2013*

**To Evan**

I mean *still

*February 5, 2013*

**To Evan**

Okay um can I give my answers for the language arts one and then is that steal cheating ? Thanks for letting m know.

*February 5, 2013*

**Art**

I meant to say for # 1 Mexico is it right now?

*February 5, 2013*

**Art**

1. Frida Kahlo was an artist from this country. (1 point) Germany France Mexico United States 2. This important event happened while Frida Kahlo was growing up. (1 point) Spanish American War Mexican Revolution French Revolution World War II 3. Frida Kahlo was married to this...

*February 5, 2013*

**Science**

ANS: C • A is incorrect because particles have less energy and move slower, not faster, in a colder material. • B is incorrect because particles have less energy and are closer, not farther apart, in a colder material. • C is correct because particles have less ...

*February 5, 2013*

**Algebra 1**

Oh I see it i the answe (sometimes) thank you . I'm sometimes in the the box . Thank you

*February 4, 2013*

**Algebra 1 **

8.A number raised to a negative exponent is negative. Is it always , never, or sometimes

*February 4, 2013*

**Algebra 1 I need help!!!!!!!!!!!!!!!!**

Oh thankyou . I'm sorry for changing my name . So I really just put m original name . I was thinking that you have to change your name in order to put in another question,. Thanks oh my real name is Evan . So that's what I'm going to put no on. Thank you. And did ...

*February 4, 2013*

**Algebra 1 I need help!!!!!!!!!!!!!!!!**

Miss sue did you notice the answer you gave me the person who did it didn't do it right because its to the negative 4 power thanks . Can you try to solve it on your own? Thanks if you do.

*February 4, 2013*

**pre-algerbra**

$500 for 1 year at 12% per year

*January 29, 2013*

**Science**

What is the current draw of a 2 kW heater when operating at 240 V?

*January 16, 2013*

**Physics**

It is well known that bullets and other missiles fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with 8 g bullets at the rate of 110 bullets/min, the speed of each bullet being 550 m/s. Suppose too that the bullets rebound ...

*December 5, 2012*

**Statistics help?**

Hi there, I was looking for any assistance or help on how I would go about starting this assignment? Having difficulty understanding it. Thank you in advance. "A stats instructor is interested in investigating time of day his lectures were held on student' test scores...

*November 26, 2012*

**Statistics on Psychology**

Hi there, I was looking for any assistance or help on how I would go about starting this assignment? Having difficulty understanding it. Thank you in advance. "A stats instructor is interested in investigating time of day his lectures were held on student' test scores...

*November 24, 2012*

**Honors chemistry**

If you convert torr and mmHg to atm ( by dividing them by 760) and add all the atm together you get 2.07

*November 14, 2012*

**math**

A pipe carries water at a flow rate of 10 gpm. Determine its volumetric flow (Q=V/time) in: A. Ft^3/s

*November 5, 2012*

**Math**

The Specific weight of water is 62.4 lb/ft^3. Assuming 7.48 gal/ft^3, determine the weight of 1 gal of water?

*November 5, 2012*

**6th grade math**

It means the absolute value of a number

*November 5, 2012*

**writing**

7 is true.

*September 13, 2012*

**physics**

While Steve is mostly right there is an error in his algebra. The third line should read: 9.0=-4.9(v^2/9.8^2)+v(v/9.8)+1.5. The rest can be correctly solved using this equation.

*September 10, 2012*

**Math**

Convert 60,000 BTU/hr to in.cubic feet/minute.

*September 4, 2012*

**Math**

im hoping you can figure out my question!!!!!

*May 4, 2012*

**Math**

Yes, I am having a hard time.

*May 4, 2012*

**Math**

A baseball has a circumfrence of 9 in. You have a rectangular piece of leather that is 24in. x 36in. How many baseball covers can be made from assuming no loss?

*May 4, 2012*

**Math**

What's 12 divided by 5?

*April 30, 2012*

**Science**

I guess taking a double look B makes the most sense out of process of elimination. C doesn't make sense and by the question wording I don't know about A so...B?

*April 30, 2012*

**Science**

Why do all goldfinches have some yellow feathers? A. Goldfinches change their feather color to fit their habitat B. Goldfinches inherit their feather color from their parents C. Goldfinches learn their feather color from other goldfinches

*April 30, 2012*

**Science**

Jessica and David spotted birds at the neighborhood park where they had a bird feeder set up. Why are the birds a consumer in this habitat? A. They are eaten by other animals B. They need food to survive C. The birds make food of their own

*April 30, 2012*

**chemistry**

Give the concentration in meters when 3.51 moles of HNO3 are dissolved in enough water to make 1.2 liters of solution

*March 5, 2012*

**Speech**

Ballad Verse poem with 3 stanzas, 8 lines per stanza and the last line is the same or very similar to the 1st line.

*February 29, 2012*

**Speech**

Iambic Tetrameter poem with 8 syllables and 2 stanzas with 4 lines each.

*February 29, 2012*

**English (Beowulf)**

[Beowulf's Funeral] "On a height they kindled the hugest of all Funeral fires; fumes of woodsmoke Billowed darkly up, the blaze roared And drowned out their weeping, wind died down And flames wrought havoc in the hot bone-house, Burning it to the core. They were ...

*February 1, 2012*

**physics**

stephanie serves a volleyball from a height of .8m and gives it an initial velocity of 7.6m/s straight up. how high will it go? how long will it take to reach maximum height?

*October 3, 2011*

**Biology**

your answer are right i just used them.

*September 29, 2011*

**Geometry**

Find x if m<UKL = 13x-4, m<JKL = 20x+12, and m<JKU = 72

*August 29, 2011*

**math**

what would be the change in water speed going from an opening of 10ft height by 25ft width into a tube 5ft height by 18ft width if the water was traveling at 1.2mph?

*June 16, 2011*

**geometry**

the surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width is 3 inches. Find the height

*May 24, 2011*

**algebra 2**

a tree casts a shadow of 34 feet. the angle of th elevation of the sun is 52. what is the height of the tree?

*May 20, 2011*

**american history**

what did the fugitive slave acts specify?

*April 25, 2011*

**Math**

Please help, I need help with the substition method in math!!!!!!!

*April 18, 2011*

**8th grade math**

the first side of a triangle measures 3 cm longer then the second side the third side is 4cm shorter then twice the second side the perimeter is 31cm. how long is each side?

*March 7, 2011*

**reading**

need to draw floor plan of my room and home I have to use my map story to show me example how do I draw my desk ??

*February 26, 2011*

**ap chem**

^shots fired

*February 13, 2011*

**math**

write an equation that represents a way to break down 18

*February 1, 2011*

**Math**

the mean of 4 numbers is 31. What is the fourth number if 3 of the numbers are 37,15,22

*February 1, 2011*

**calculus**

What is the average rate of change of y=4x^3 over the interval P(1, 4) and Q(5, 500)?

*January 26, 2011*

**physics**

22500kg

*December 2, 2010*

**Math**

wheel of thorium? what is it?

*November 11, 2010*

**Language arts**

thank-you

*November 7, 2010*

**Language arts**

outdoors

*November 7, 2010*

**Language arts**

What is the adverb in the sentence: It began to rain, and we all ran outdoors.

*November 7, 2010*

**physics**

3.974

*October 30, 2010*

**World History**

How did the motives and administration of colonies during this period of “new imperialism” differ from the previous time period?

*May 11, 2010*

**3rd grade math**

nevermind my other comment, the answe is 13. 13*2=26 13*6=78

*May 11, 2010*

**3rd grade math**

are the last two numbes 4 and 2? or 40 and 20?

*May 11, 2010*

**math**

what math is this from? algebra or what?

*May 11, 2010*