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Posts by Alyssa

Total # Posts: 863

English/Commas
I was asked to put all the commas in the correct place for each sentence. I am unsure about some. Are these correct? Thanks 1. As I understand it, John Pearson has lived in Winston Colorado, a small almost unknown tourist resort since August 10, 2002. 2. I have some roses ...

English/Grammar
I was told to write a paragraph with less than 100 words. The paragraph below has 94 words. I will only receive points if there are NO grammar or punctuation errors. Are there any errors in my paragraph below? Thanks. The new library being constructed costs over forty million ...

Calc 3
Find the volume of the wedge-shaped region contained in the cylinder x^2 + y^2 = 1 and bounded above by the plane z = x and below by the xy-plane. The picture is a cylinder with a diagonal plane through it creating a wedge. Thanks! ;)

chemistry
Calculate the pH of an aqueous solution containing 1.6 x 10-2 M HCl, 2.0 x 10-2 M H2SO4, and 1.8 x 10-2 M HCN.

Physics
A 822 kg car accelerates from rest to 101 km/h in 1.15s. What change in momentum does the force produce?

Geometry
453

Sentences
Are my sentences correct with the following directions? (Sentences below directions) Using California as a topic, number and write one example of each of the following: 1. A completely correct simple sentence with an appositive in it. 2. A sentence with redundant language. ...

English
Thank you!

English
Thank you! I'm telling your Marge, if Carol has another party this month I will have to buy a new dress and a new pair of shoes, the kind i can also wear for other occasions. When i saw her last night she said she was too tired for another social even, another evening of ...

English
INSERTS COMMA'S AS NEEDED IN THE FOLLOWING PARAGRAPHS: I'm telllling you Marge if Carol has another party this month i will have to buy a new dress anda new pair of shoes the kind I can also wear for other occasions. WHen i saw her last night she said she was too tired...

Math
For what values of x will the angle be acute? (2x-6)degrees

Math
TriangleFGH is an obtuse triangle. The greatest angle in the triangle has a measure of (6d)degrees. What are the possible values of "d"?

Math
I think this may be right. 1,1,4,3,9,6,16,10,25,15,36,21,49,28,64,36,etc 1+2=3 3+3=6 6+4=10 10+5=15 15+6=21 21+7=28 28+8=36

Math
using the numbers 2.3.4.and 6once to make each equation correct. __+{___x___}x___=30

math
The stopping distance of a car traveling 25mph is 61.7ft, and for a car traveling 35mph it is 106ft. The stopping distance in feet can be described by the equation y=ax^2 + bx + c, where x is the speed in mph. Find the values of a and b.

Math
Yes it is reasonable because 293=290 and 44=50 and 290 - 40 _____ 250 = means rounds to

math
use the given advertisement to determine the missing part in each ratio. Write the two unit rates. yogurts 4 packs equals $5.00 question: 4 yogurts equals $5.00 total = 1 yogurt equals $1.25 each = what amount can you get for $1.00

math
Use the givem advertisement to determine the missing part in each ratio. write the two unit rates. yogurt 4 packs/$5.00 =4 yogurts/$5.00=1 yogurt/?=?/$1.00

chemistry
A solid substance P is soluble in water (1g/ 100mL) at 25°C and 10g/ 100mL of water at 100°C. You are given a sample that contains 10g of P and 2g of impurity G. Describe the procedure to purify P if G is insoluble in water.

chemistry
sorry, i actually posted it by accident. thank you for your help

chemistry
A solid substance P is soluble in water (1g/ 100mL) at 25°C and 10g/ 100mL of water at 100°C. You are given a sample that contains 10g of P and 2g of impurity G. Describe the procedure to purify P if G is insoluble in water.

chemistry
A solid substance P is soluble in water (1g/100 mL) at 25 degrees and 10g/100mL of water at 100 degrees. You are given a sample that contains 10 g of P and 2g of impurity G. If G has the same solubility as P, describe how you could purify P.

Arrays and Expanded Algorithm
how do you 4th grade kids do arrays and an expanded algorithm math fpr homework

literary
what literacy device is used in the statement? former indonesian president suharto was sometimes referred to as a puppet master.

math HELP!!
help

math
writing numbers in standard form ex 624

Math 6
What is the expanded form using powers of 10 and using exponents of 7,375?

Math 6th grade
42.1

MAth
ONE DIRECTION

Mathematical Applications
For the life of me, I cannot understand this question! Will someoe please help me, explain to me how I can solve it, PLEASE! Q- a party supplies store recorded net sles of $423,400 for he year.The store's beginnng iventory at retail was $105,850 andits ending inventory at ...

5TH grade math
estimate each sum or differnce. 7.4 + 3.1+ 9.8 How do I do this?

Math
A box in the shape of a rectangular prism has a volume of 56 cubic inches. If the length of each side is multiplied by 2, what will be the approximate voume of the resulting box?

math
thousands

Math
coach byrd gives 7 lessons a day . how many days will it take him to give 100 lessons? please HELP!!!

math
The length of the smaller rectangle at the right is 1 inch less than twice its width. Both the dimensions of the larger rectangle are 2 inches longer than the smaller rectangle. The area of the shaded region is 86 square inches. What are the dimensions of the smaller rectangle?

Nassau
The length of the smaller rectangle at the right is 1 inch less than twice its width. Both the dimensions of the larger rectangle are 2 inches longer than the smaller rectangle. The area of the shaded region is 86 square inches. What is the area of the larger rectangle?

algebra
I don't understand how to do this problem. Please help! Find an exponential function of the form f(x) = bax that has a y-intercept of 2 and passes through the point (2, 98). For example, if the equation is f(x) = 2(7)x respond by entering the answer as 2(7)^x

math
the washing ton monument is 555ft tall. which is closest to its height? i know the answer is 180 but i do not know how to show work for it!!!HELP!!!

science
How does your body keep from being crushed from air pressure?

algebra
I need help understanding how to do these problems. Thanks! 1) Find the value(s) that would be left out of the range of f. If there is more than one value separate them by commas. Leave fractional answers in fraction form. If there are no values left out of the range respond ...

algebra
How would you go about solving this? Im totally confused. Thanks! Find the value of k such that the graph of f contains the given point. Write k as a simplified fraction if it is not a whole number. f(x) = kx^3 - 3x^2 + kx + 3; (-1, 8)

chemistry
Calculate how many grams of Cu are needed to produce 15L of NO(g). Please help

Chemistry
How many mL of Water are made from 4 moles of HNO3?

history
describe how greek philosophers were different from those that existed in other ancient civilizations. HELP!!!!!!!!!!!!!

geometry
what are the numbers??? otherwise can"t help

algebra
i need help with these problems (either a solution or how to plug them into a graphing calculator): 1) Solve by substitution or elimination 4/x + 1/y + 2/z = 4 2/x + 3/y - 1/z = 1 1/x + 1/y + 1/z = 4 2)Solve the system of equations by substitution. x^2 + y^2 = 25 x - y = 7 3) ...

Calc
-4/45 amp/sec

algebra
A=0.5h^2+2h;30ft^2

Chemistry
228.46 / (5510/5471) = 226.84

History
What was the second most big city state in greece. now the first is sparta but what is the other!!!

measurments
how long is a five k????? Is it 5 kilometers or 5 miles??

algebra
48/p=12. got 576 but not one of the answer chices(p=6,p=36,p=4,p=60 are the choices)

math
X+(X-1)+(2X-5)=24 use X for the amount of outfits Jane has. you know: -that Charlie packs 1 less than Jane (x-1) -that Loretta packs 5 less than twice Jane's (2x-5) -that you can't have more than 24. so set it equal to 24 and then solve :)

math
there are 12 inches in a foot. so divide 5040 by 12 and it should give you the correct number

math
3x+5y-6=0 solve for y

Calculus
a=-0.7650 b=-0.4809

Spainish
Would mi amigos be nostros or ustedes.

goverment
According to my U.S. Government textbook, historian Fredrick Jackson Turner believed democracy came from the circumstances in which the colonists found themselves.

analogies
Spruce

calculus
Find the derivative of the following functions: x^7+2/(x^1/2) also (x^9-x^1/7)7^x

Calculus
Find the quadratic polynomial g(x)=ax2+bx+c which best fits the function f(x)=7x at x=0, in the sense that g(0)=f(0), and g'(0)=f'(0), and g''(0)=f''(0).

Calculus
On what intervals is the function f(x)=x^7−7x^6 both decreasing and concave up?

math
i still don't get the anwser but thanks anyway ! :)

math
5 is to 8 as 15 is to (blank) ?

Chemistry
A sample of nitrogen gas occupies 1.55 L at 27oC and 1 atm pressure. What will the volume be at -100oC and the same pressure?

Calculus
Correction: f(x)=ax^n

Calculus
Given a power function of the form f(x)=axn, with f(3)=20 and f(9)=1620, find n and a

Calculus
I meant to put x^7-7x^6

physics
The three ropes are tied to a small, very light ring. Two of the ropes are anchored to walls at right angles, and the third rope pulls as shown: F=85 N, q=54°. What is the magnitude of the tension force in the first rope

History
I need four topics to compare and contrast Machiavelli's The Prince and Castiglione's The Courtier. Thanks.

Social studies
What are the names of the nations in central america?

calculus
Thank you!

calculus
Factor completely x^3 - 5x^2 - x + 5

trig/functions
what does y=2 sin (x-pi/ .5) -1 look like on a graph with the 3 phases of the function?

calculus
Suppose that the sales at Borders bookstores went from 70 million dollars in 1989 to 415 million dollars in 1993. What is the continuous percent growth rate, per year, of sales?

math
Using the formula for the area of a triangle, A = 1/2 bh, find the area of this triangle pictured. The base is 2x + 16 and the height is 4x. I just don't know how to work the problem.

5th grade math
hey i don't like math at all so i was wondering if you can do this below CONSTRUCTING A GRAPH FROM LANDMARKS mode:15 minimum:5 median:10 maximum:20 and i don't even know where to start

Chemistry
its 112g because if you need a total of 200 and they already tell you that the co2 is 88, then subtract 88 from 200 to get 112

Life Sciene
How would the cell theory be affected if scientists could make living cells from carbon, oxygen, and other elements found on earth.

fractions
Mr.shafier has been teaching school for 10 years.For 6 of those years he taught 8th grade.what fraction represents the time Mr.shafier has not been teaching 8th grade?I knoe the answere is 2 5ths. but how do i show work?HELP!!!!!!!!!!!!!!!

physics
A 250 kg car starting from rest is pushed 30m. When the car reaches 30m, it’s traveling at a speed of 12m/s and it encounters 52N of friction. What is the acceleration of the car and what is the force of the push on the car?

Science (6th grade, but actual 7th grade paper)
The long ramp bc more potential energy

math
did you know when you try to find the least commen multiple of 3 numbers you have to divide by two after you get your answer my class (ms.lott in texas) told us that for some reason its doubling the number so always divide by two once you have crossed out the commen numbers ...

Chemistry
help please! At 2200°C, K = 0.050 for the following reaction. N2(g) + O2(g) 2 NO(g) What is the partial pressure of NO in equilibrium with N2 and O2 that were placed in a flask at initial pressures of 0.75 atm and 0.30 atm, respectively?

Chemistry
help please! At 5000 K and 1.000 atm, 83.00% of the oxygen molecules in a sample have dissociated to atomic oxygen. At what pressure will 99.0% of the molecules dissociate at this temperature?

geometry
What does it mean by a line being unique?

1st grade
I ran past the dog and the cat who were fighting

ap calculus
A particle moves along a straight line with displacement s(t), velocity v(t), and acceleration a(t). Show that a(t) = v(t) dv/ds.

math
If i need 2-1/4 cups of flour for 12 people then how much do i need for 10 people?

college english
Nothing comes up with that search.

college english
I need help figuring out what this poem means. Thanks Analysis of a Sound in the Middle of the Night by Nicole Brossard time free-falling in my arms, I await night the midpoint of midnight life stretches out palm tree silence unrecognizable in the folds of representation I ...

physics
A merry-go-round in the park has a radius of 1.8 m and a rotational inertia of 900kgm^2. A child pushes the merry-go-round with a constant force of 80 N applied at the edges and parallel to the edge. A frictional torque of 12 Nm acts at the axle of the merry-go-round. a. what ...

algebra
what is twice a certain number is 44. What is the number abeka. 7th grade.

Chemistry
What mass of electrons would be required to just neutralize the charge of 3.9 grams of protons?

8th grade
is it a flip flop

physics
If you throw a ball straight upward at a speed of 11 m/s, How long will it take to return to its starting point?

physics
what does hi mean ?

physics
If you throw a ball straight upward at a speed of 11 m/s, How long will it take to return to its starting point?

physics
If you throw a ball straight upward at a speed of 11 m/s, How long will it take to return to its starting point?

Chemistry
A sulfur-containing compound is decomposed and the products are collected over water according to this equation: SxOy -> SO2(g) + O2(g) The mole fractions for the products are as follows: SO2 (.8) and O2 (.2) What is the empirical formula for the original compound?

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