Saturday

May 28, 2016
Total # Posts: 323

**Math**

concrete is to be mixed using cement and sand into the ratio 2:5. how much sand will be required to mix with 96 pounds of cement? use proportion to solve
*May 16, 2016*

**Science**

Historical models of the solar system include: A.Helliocentric,B.nebular,C.Geocentric model or earth centered universe and a _ model or sun centered universe
*May 16, 2016*

**Math**

7+7=14
*May 12, 2016*

**Math**

Yes
*May 12, 2016*

**Math**

name two fractions that you know are equivalent to 1/2
*May 12, 2016*

**Equivalent fraction**

How can you tell if two fraction are equivalent by using the fraction strips
*May 12, 2016*

**Equivalent fraction**

How can you tell if two fraction are not equivalent using fraction strip
*May 12, 2016*

**math**

1/4"=1' then 5"by6"=5'
*May 10, 2016*

**Calculus Related Rates**

If a spherical balloon is inflated and its volume is increasing at a rate of 6 in^3/min. What is the rate of change of the radius when the radius is 3 inches??
*March 17, 2016*

**Calculus Related Rates**

Two people leave from the same spot and walk at 4 ft/sec going north and 5 ft/sec northwest. At 30 seconds, how fast is the distance between them changing??
*March 14, 2016*

**Chemistry **

How many milliliters of 2.00 M NaHO solution are needed to neutralize a 8.00 mL of 3.50 M H2SO4 solution?
*February 29, 2016*

**Biology**

Which is an example of a population? all the squirrels in North America and Europe all the species of organisms in one state all the rose bushes around the world all the sugar maple trees in a state park
*February 10, 2016*

**indians**

which tribe controlled northeastern of Florida
*December 12, 2015*

**Math**

10xX=100 are u stupid 😂
*December 12, 2015*

**vocab**

i don t now
*November 19, 2015*

**Math**

Nevermind.:)
*November 2, 2015*

**Math**

irrational?
*November 2, 2015*

**Math**

Select the BEST classification for π ??? Is it rational or irrational?
*November 2, 2015*

**Physics**

never mnind, i just saw similar posts to my question
*October 17, 2015*

**Physics**

Initially, a particle is moving at 4.00 m/s at an angle of 33.5 degrees above the horizontal. Two seconds later, its velocity is 6.45 m/s at an angle of 60.0 degrees below the horizontal. What was the particle's average acceleration during these 2.00 seconds? Enter the x ...
*October 17, 2015*

**math (check last answers) plz**

Last questions, thanks for everything There are 21 plates of tomato sandwiches, 27 plates of cheese sandwiches, and 12 plates of beef sandwiches on a buffet table. If a guest randomly picks a single plate, what is the probability that he gets tomato or cheese sandwiches? A)0....
*October 14, 2015*

**Math**

Am I correct.. I believe the second one is A 11/65
*October 14, 2015*

**Math**

Last questions, thanks for everything There are 21 plates of tomato sandwiches, 27 plates of cheese sandwiches, and 12 plates of beef sandwiches on a buffet table. If a guest randomly picks a single plate, what is the probability that he gets tomato or cheese sandwiches? A)0....
*October 14, 2015*

**Math**

Thank you Mr.Paul
*October 14, 2015*

**Math**

Okay :)
*October 14, 2015*

**Math**

1/6 x 1/2 = 1/2
*October 14, 2015*

**Math**

Thank so so much
*October 14, 2015*

**Math**

A bag of marbles contains 5 red, 3 blue, 2 green, and 2 yellow marbles. What is the probability that you choose a blue marble and then another blue marble, assuming you replace the first marble? A)1/24 B)1/16 C)1/2 D)3/4 D? or C? Sarah rolls a die twice. What is the ...
*October 14, 2015*

**Math**

Thank you :)
*October 14, 2015*

**Math**

or C.
*October 14, 2015*

**Math**

200 elementary school students were surveyed to find their blood groups. Of those, 55 were of blood group A, 85 of blood group B, and 21 of blood group O. What is the probability that a randomly chosen student has either blood group A or blood group B? A) 0.25 B) 0.60 C) 0.70 ...
*October 14, 2015*

**ottawa river**

Melissa collected three kinds of autumn leaf when she was out walking today el maple and oak she has two times as many Maple Leafs aslm lease and 5x as many oak leaf as Emily all together she has 32 leaves how many of each kind does she have I need to know how to work out this...
*October 13, 2015*

**Spanish**

Thanks, I did it on my own :D got an A
*September 29, 2015*

**Spanish**

how long will this take? thank you :)
*September 29, 2015*

**Spanish**

I don't want the answer just check because I'm unsure 1) Definite article for the following noun? maestra el <--- la las 2) Definite article for the following noun? clase las los la <--- el 3) Indefinite article for the following noun examenes? unos <---? or ...
*September 29, 2015*

**Chemistry**

An atom of an element weighs 3.00x10^-23 g. What is the atomic mass of this element in atomi
*September 27, 2015*

**Quick English check**

Please check these sentences and correct me if I'm wrong, thank you! 1. A 'MYRIAD' of people are interested in auditioning for the reality tv show, but only a handful will be afforded the opprutunity. 2. The villain wants the world to tremble at the 'MERE' ...
*September 23, 2015*

**stats**

A box contains 16 white and 16 black marbles. Construct a sample space for the experiment of randomly drawing out, with replacement, three marbles in succession and noting the color each time. (To draw “with replacement” means that each marble is put back before the ...
*September 22, 2015*

**Math**

So, I need to state the properties of two equations that look like a(b-c)=d and c(b-a)=d. Is it associative property?
*September 22, 2015*

**Math **

A gallon of milk costs $3.80. If there are 128 ounces = 1 gallon ,how much money does an 8 ounce glass of milk cost? (Change ounces to gallons to dollars)
*August 8, 2015*

**Math **

If there are 12 inches = 1 foot,how many inches are in 8.2 miles
*August 5, 2015*

**Math **

If there are 100 centimeters = 1 meter ,how many centimeters are in 1.25 m?
*August 5, 2015*

**Math **

If there are 100 centimeters = 1 meter ,how many centimeters are in 1.25 m?
*August 5, 2015*

**algebra**

1) a line has a slope of 5. it passes through the points (1,4) and (6,y). what is the value of y? explain how you found your answer. 2) write a direct variation equation that relates x miles to y kilometers.
*May 19, 2015*

**Social studies**

Uh Oh is a big fat liar
*April 28, 2015*

**Math**

Find the number of distinguishable permutations of the following letters: M, I, S, S, I, S, S, I, P, P, I.
*April 24, 2015*

**Math**

Jeremy uses the linear function G=12h+50 to represent the grade, G (in points out of 100), that he can earn on an exam as a function of h, the number of hours he spends studying for the exam. 1.) Identify the slope and y-intercept of Jeremy's function and explain what they...
*April 9, 2015*

**PLEASE HELP?????LANGAGUE ARTS**

1.B 2.A 3.A 4.D 5.A 7.D 8.B 9.D 10.B 11.C 12.D 13.A 14.B 15.D 16.A 17.B 18.A 19.B These are the correct answer trust me i got 100% with these JUICY does not have the crrect answers trust me you will get 100% on lesson 19 unit 2 unit test.
*April 6, 2015*

**LA/READING(:**

He's wrong don't trust him i got 10% he's lying!!!!!!!!!
*April 6, 2015*

**ALGEBRA**

1.B 2.D 3.A 4.C 5.C 100% Correct
*March 5, 2015*

**social studies**

i think that it is D
*February 25, 2015*

**English check **

1. Which description fits the limerick about the fellow named Hall? 1)a poem about something funny with five lines. ****** 2)a serious poem without rhyme 3)a love poem with rhymes and rhythm 4)a poem about nature with three lines 2. The rhythm and rhyme patterns of the ...
*February 19, 2015*

**english**

Which is the best paraphrase of these lines from "New World"? Eagles/ hie and/ hover/above/the plain/ (1 point) A.eagles hurry and hang above the flat land. B.eagles hang in midair and wave their wings. C.eagles race and rush in a ugly way. D.eagles soar and swoop in...
*February 10, 2015*

**algebera**

1.B 2.C 3.B 4.A 5.B This is for the 3 - D Figure and net quiz 100%
*February 10, 2015*

**physics**

1. A man pushes on a box at an angle of 30.0° with a force of 20.0 N and the box moves across the floor. Which of the following component of the force do you use to calculate work? (Points : 1) 0.00 N 10.0 N 17.3 N 20.0 N Question 2.2. A man carries a 10 kg sack of ...
*February 2, 2015*

**L.A.**

In “Adventures of Isabel,” how is the doctor different from Isabel’s other enemies—the bear, the witch, and the giant? (1 point) He is nice to her. He frightens her. He gets killed. He may be real. I think its either the first one or the last one not 100% n...
*January 27, 2015*

**English one question**

In “Adventures of Isabel,” how is the doctor different from Isabel’s other enemies—the bear, the witch, and the giant? (1 point) He is nice to her. He frightens her. He gets killed. He may be real. I think its either the first one or the last one not 100% n...
*January 26, 2015*

**LA**

I believe I'm allowed to state my opinion on the matter seeing as I stumbled upon this. Also, when addressing me with such tactless behavior, I at least expect you to avoid text slang such as "u" or "ur". Believe or not, who you are online is the same ...
*January 23, 2015*

**Math**

What are some situations in which estimation is useful in real life?
*December 14, 2014*

**algebra**

-e^-3.9n-1 - 1 = -3
*December 11, 2014*

**Algebra 2**

yes, but i do not know where to go from here
*December 11, 2014*

**Calculus **

With the following coordinates (16,46) (18,64) (20,60) create three formulas using Y+Ax^2+Bx+C then solve for A,B, and C to form the final equation.
*December 3, 2014*

**Science.. Need help ASAP!**

hey did you ever find the answers please
*December 1, 2014*

**Calculus**

5) Evaluate the definite integral. On the integral from 1 to e^7 ∫dx/x(1+lnx)
*November 25, 2014*

**Calculus**

2) If f(x)=∫t^2dt not he integral from 4 to x^3 then f′(x)=?
*November 25, 2014*

**Calculus**

20) Evaluate the definite integral. On the integral from e to e^3 ∫dx/xl(nx)^(1/2)
*November 25, 2014*

**math**

a car traveling 8 m/s suddenly brakes to a complete stop. THe stopping time was .36 seconds. what is the acceleration of the car?
*November 24, 2014*

**Calculus**

11) Find the following indefinite integrals. ∫x/(x+9)^(1/2)dx
*November 24, 2014*

**Calculus**

10) Evaluate the integral by making the given substitution. ∫sec(5x)tan(5x)dx u=5x
*November 24, 2014*

**Calculus**

9)Evaluate the indefinite integral. ∫x^8e^(x^9)dx
*November 24, 2014*

**Calculus**

6) Evaluate the indefinite integral. ∫cosx/(7sinx+35)dx
*November 24, 2014*

**Calculus**

5) Evaluate the definite integral. On the integral from 1 to e^7 ∫dx/x(1+lnx)=?
*November 24, 2014*

**Calculus**

4) On the integral from 1 to 2 ∫(4x^2+4)/x^2dx =?
*November 24, 2014*

**Calculus**

2) If f(x)=∫t^2dt on the interval from 4 to x^3 then f′(x)=?
*November 24, 2014*

**caculus**

Evaluate the indefinite integral. ∫(arcsinx)^6/(1−x^2)^(1/2)dx
*November 24, 2014*

**Algebra please help out**

1 to 5 means each time for 1 you will have 5. For example, IN 1 day you can ready 5 pages. 1:5. So this indicates that for every day 1 you will be able to read 5 pages...
*November 18, 2014*

**Calculus**

The rectangles in the graph illustrates a left endpoint Riemann sum for f(x)=−(x^2/4)+2x on the interval [3,7]. The value of this left endpoint Riemann sum is? The rectangles in the graph illustrates a right endpoint Riemann sum for f(x)=−(x^2/4)+2x on the interval...
*November 17, 2014*

**Calculus**

The rectangles in the graph illustrate a left endpoint Riemann sum for f(x)=x^2/8 on the interval [4,8]. The value of this left endpoint Riemann sum is? The rectangles in the graph illustrate a right endpoint Riemann sum for f(x)=x^2/8 on the interval [4,8]. The value of this ...
*November 17, 2014*

**Calculus**

Find the general indefinite integral ∫ v(v3+5)2dv
*November 12, 2014*

**caculus**

Given f″(x)=−4sin(2x) and f′(0)=3 and f(0)=−6. Find f(π/6)
*November 12, 2014*

**calculus **

1) A particle is moving with acceleration a(t)=36t+10. its position at time t=0 is s(0)=16 and its velocity at time t=0 is v(0)=9. What is its position at time t=11?
*November 12, 2014*

**Calculus **

9) The rectangles in the graph illustrate a left endpoint Riemann sum for f(x)=(x^2/8) on the interval [4,8]. What is the value of this left endpoint Riemann sum? The rectangles in the graph illustrate a right endpoint Riemann sum for f(x)=(x^2/8) on the interval [4,8]. what ...
*November 12, 2014*

**calculus **

7) Consider the function f(x)=(10/x^2)−(2/x^6). Let F(x) be the antiderivative of f(x) with F(1)=0. Then F(x)= ?
*November 12, 2014*

**Calculus **

Consider the function f(x)=(x^2)e^(14x) f(x) has two inflection values at x = C and x = D with C≤D where C is and D is Finally for each of the following intervals, tell whether f(x) is concave up or concave down. (−∞,C]: [C,D]: [D,∞)
*October 28, 2014*

**Calculus **

A ball is thrown up on the surface of a moon. Its height above the lunar surface (in feet) after t seconds is given by the formula h=308t−(14/6t^2) Find the time that the ball reaches its maximum height. Answer = Find the maximal height attained by the ball Answer =
*October 28, 2014*

**Calculus **

The top and bottom margins of a poster are 2 cm and the side margins are each 8 cm. If the area of printed material on the poster is fixed at 380 square centimeters, find the dimensions of the poster with the smallest area. Width = Height =
*October 28, 2014*

**Calculus **

A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a perimeter of 49 feet?
*October 28, 2014*

**Calculus **

A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=4−x^2. What are the dimensions of such a rectangle with the greatest possible area? Width = Height =
*October 28, 2014*

**calculus**

3) f(x)=x^(2)/6x^(2)+4. List the x values of the inflection points of f.
*October 28, 2014*

**Calculus**

Find the critical numbers of the function f(x)=x^1/6−x^−5/6.
*October 20, 2014*

**Calculus**

I know how to take the derivative the other parts i don't know how to do...
*October 20, 2014*

**Calculus**

Consider the function f(x)=ln(x)/x^6. For this function there are two important intervals: (A,B] and [B,∞) where A and B are critical numbers or numbers where the function is undefined. Find A Find B For each of the following intervals, tell whether f(x) is increasing or...
*October 20, 2014*

**calculus**

9) Find all critical numbers of the function f(t)=9t^2/3+t^5/3
*October 20, 2014*

**Calculus**

7) Consider the function f(x)=x2e4x. For this function there are three important intervals: (−∞,A], [A,B], and [B,∞) where A and B are the critical numbers. Find A and B For each of the following intervals, tell whether f(x) is increasing (type in INC) or ...
*October 20, 2014*

**Calculus**

f(x)=4x3−18x2−480x−2 is decreasing on what interval? It is increasing on what interval(s) ? The function has a local maximum at ?
*October 20, 2014*

**Calculus**

18) Find all numbers c that satisfy the conclusion of the Mean Value Theorem for the following function and interval. Enter the values in increasing order and enter N in any blanks you don't need to use. f(x)=2x/6x+12,[1,4]
*October 20, 2014*

**Math**

18) Find all numbers c that satisfy the conclusion of the Mean Value Theorem for the following function and interval. Enter the values in increasing order. f(x)=2x6x+12,[1,4]
*October 20, 2014*

**Math**

17) Consider the function f(x)=3x3−3x2+4x+2 Find the average slope of this function on the interval (−3,5). By the Mean Value Theorem, we know there exists a c in the open interval (−3,5) such that f′(c) is equal to this mean slope. Find the two values ...
*October 20, 2014*

**Math**

16) Consider the function f(x)=2x3−6x2−90x+5 on the interval [−6,7]. Find the average or mean slope of the function on this interval. By the Mean Value Theorem, we know there exists at least one c in the open interval (−6,7) such that f′(c) is ...
*October 20, 2014*

**calculus**

The answer was wrong!
*October 7, 2014*