Posts by caitlyn

Total # Posts: 152

math
A nurse has a 30% alcohol solution and an 80% alcohol solution. He needs 10L of a 40% alcohol solution.

Chemistry
How much solid LiCl should be weighed out to make 500.0 mL of 0.200 M LiCl

US HISTORY - Help please
Which answer best explains how the Articles of Confederation addressed the question of creating a court system? The Articles established the trial-by-jury system for the first time in history. The Articles created state, regional, and national courts throughout the land.*** ...

english
This was my only post?

english
Was that intended for a different post??

english
The final section of a research paper paragraph should include _______, to help readers figure out how the evidence supplied in the body of the paragraph supports the topic. A. an analysis B. a transition C. a citation D. a quotation C?

Math
David starts off at a salary of $10,000 per yer. At the end of each year, he will earn a 4% raise on his previous salary. What will be the first year that he makes $15,000? If Valerie starts off at a salary of $10,000 per year and receives an option of a constant raise of $...

social studies
What is the main idea?: The Persian Gulf War, or Operation Desert Storm, was waged in early 1991 between Iraq and a coalition of thirty-nine nations organized by the Unites States and the United Nations. Leading the coalition were the U.S., France, Great Britain, Egypt, Syria...

math
Karen withdrew $30 from her savings account each month for 6 months. Write a number sentence to show the total amount she withdrew.

Statistics
Suppose a fair coin is tossed five times and let x be the number that turned up in those five times. **the mean and the standard deviation are respectively... a.) 0.5, 0.5 b.) 2.5, 0.5 c.) 2.5, 2.24 d.) 2.5, 1.12 **find P(x≥1) a.) 0.5 b.) 1.0 c.) 0.03 d.) 0.97 * i just ...

Math
A triangle has sides 8 cm and 5 cm and an angle of 90 degrees between them.Calculate the smallest angle of the triangle

Chemistry / Stoichiometry
When 1 mol of CH4 is burned, 490 kJ of energy are released as heat. CH4 + O2 -> 2H2 + CO2 If 3.2g of CH4 are burned, what is the value of the heat of the reaction? The answer worked in class was -180 kJ, but while I was redoing problems, I got the answer 98 kJ (both ...

6th grade math
1.A triangle has three vertexes. Point A is (0,0) point B is (4,10) and point C is (8,0). What are the lengths of each side? 2. What is halfway between -2 and 1?

The 5th Wave
In the 5th Wave, when Evan met Grace after he was injured, and after they fought each other, what happened to Grace? Was she killed by Evan? Another Silencer? By Commander Vosch?

Authors
Grace Is killed by Evan Walker. I htink

ELA
WHAT TYPE OF WRITING IS THIS (pick on of these:cause&effect,compare&contrast,sequence,chronological order,problem&solution,descriptive) Volcanoes are a feared and destructive force for good reason. A volcano is like a pressure valve for the inner earth, but they can also be ...

Science
That's the answer I am looking for! Wish I knew it! :(

Chemistry
1) If I add 10 grams of salt into 0.1 L of water, what is the molarity of the solution? 2) Serial dilution is a common technique to make low concentration solutions. Each Serial Dilution involves taking half the solution and mixing it with a solvent, to halve the concentration...

math
.1(2x)+.07x=94.50 .2x+.07x=94.50 .27x=94.50 Divide $94.50 by .27 to get X. x= 350 Solve for 10% 2(350)=700 Add amounts together. 700+350= $1,050

AP Chemistry
Calculate the delta H rxn for the following reaction: CH4(g)+4Cl2(g)-->CCl4(g)+4HCl Use the following reactions and given delta H's: 1) C(s)+2H2(g)-->CH4(g) delta H= -74.6 kJ 2) C(s)+2Cl2(g)-->CCl4(g) delta H= -95.7 kJ 3) H2(g)+Cl2(g)-->2HCl(g) delta H= -184.6 ...

Algebra worksheet
still right in 2017 100% with 3 as B. and yeah this is a connexus practice which counts for 0% of your overall grade, lol.

gifted ELA
Hi! I go to connections academy too and I was just about to ask that same question! Help anyone?

algebra
what is the coefficient in 3x to the second power + 2

Health
1.Which is NOT a type of Psychotherapy used to treat mental disorders A. insight therapy B. Group Therapy (picked this one) C. Drug therapy D. Cognitive therapy 2.Which is NOT a health professional who treats mental and emotional disorders? A. Psychiatrist B. neurologist C. ...

Math
Steve I got 0.16666666666

Math
Jessica went to the mall and used 1/6 of her money on lunch. What is the fraction of her money expressed as a decimal? A. 0.6 (line above the 6) B. 0.7 (line above the 7) C. 0.16 (line above the 6) D. 0.17 ( line above the 7

Rationa Numbers
What makes the statement true? 8^-2=? A. 64 B. 16 C. -1/64 D. 1/64 Please help

Math
Jim starts with a $2000 balance on his credit card. During the first month he charges $300, and during the second month he charges $500. The credit card has finance charges of 23% APR. The first month Jim makes a $200 payment and the second month Jim makes a $400 payment. What...

PHYSICS
Michael stands upright and allows his right arm to swing back and forth, naturally and without forcing, like a pendulum. He measures the time for 29 oscillations (complete cycles) to be 38.6 s. Assume his arm (length L) behaves as a simple pendulum, with an effective length of...

Shalee ^~^
Number one is B just took the test and got 100%

Study Skills Practice
What does it mean to survey a text? A. Read the text and take detailed notes B. Look for the main ideas C. Find the answers in your questions (picked this one) D. Answer questions out loud. Why should you consider your teacher a partner? A. Because you are not responsible for...

English
okay can u help me on this one Which answer choice contains the past participle of the verb talk? (1 point) talk talking had talked (picked this one) was talking

English
Is the 2 question A?

English
Okay would Question 1. Be past, Would Question 2. Be B, And will Question 3, be The child said she liked the cake immensely?

English
What is the principal part of the italicized verb in this sentence from “The StoryTeller”? The aunt suppressed a gasp of admiration. present present participle past past participle 2. Which sentence uses the same principal part as the previous question? (1 point) The...

English
Thank you Ms.Sue

English
Okay is it A Ms.Sue??

English
What does the aunt in "The StoryTeller" find improper about the bachelor's story? A. It makes fun of Bertha's goodness. B.It has too many fantasy elements. C.It unrealistically suggests that virtue is always rewarded. D. The bachelor tells it without ...

Math
-7 + h = 12 What is the solution?

Commonwealth connections academy
Question 1. Which of the following statements describes the aim of the person who threw the dart shown in the picture. A. The person's aim was both precise and accurate B. The person's aim was precise, but it was not accurate C. The person's aim was accurate, but ...

Check My History PLZZ
#2 is property tax

math
.5 into 5280. divided with simple strategie and got 280. am i right . will you help me?

angles
you are a hexagon.six sides? six -hex. remember that.

English
all it depends on is if you have to put more criticism. there is a lot more criticism in the world that you can use. wrong:none so far. all you have to think about to finish this is what someone moght say to you to totally offend you.

Not a subject for course-off topic question
No, only if facebook doesnt worj

5th grade math
how do i round and divide whith decimals?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

English
you need to speak and write in complete sentences.also, check your dialogue.

5th grade math
how do i simplify

5th grade math
there is a gameboard and the arrow has landed on seven.what is the probability of spinning a number larger than 6 on the spinner?

English 10th grade
the answer is a because the ellipsis is to prepare the reader for a change in topic.

5th grade math
there are ten of them

Statistics
In a random sample of 50 undergraduate students at a college, it was found that 44 students regularly access social networking websites from their college library. What is the margin of error for the true proportion of all undergraduates who access social networking sites from...

math
the surface of the top layer of a circular sand pit is about 160 square feet. estimate the radius of the sand pit, to the nearest foot

Geography
Identify three perceptual factors that affect Egypt regionalization

calc
Find the area of the indicated region. Enclosed by y = −x and y = x4

business calc
evaluate the integral from 4 to 3. x/2x^2-6dx

Science
It means that shells of deceased animals and grains and weathered rocks came from the inland with the wind, rain, etc

Science
A sandy beach is essentially where pulverized, weathered rock along with some fragments of shelled creatures and other biota have collected, tossed up by the waves and as sediment from inland areas.

Chemistry
SHOW WORK A 44g sample of CO2 has a volume of 22.4 L at STP. The sample is heated to 71 degrees Celsius and compressed to a volume of 18.0 L. What is the resulting pressure?

Chemistry
SHOW WORK A cylinder contains 98g of air at 295K. The pressure in the cylinder is 174psi. If 32g of air are allowed to escape and the cylinder is heated to 335K, what is the new pressure?

Chemistry
SHOW WORK A cylinder contains 36.5g of argon gas at a pressure of 8.20atm. The valve is opened and gas is allowed to escape until the pressure is reduced to 4.75atm at constant temperature. How many grams of argon escaped?

Chemistry
SHOW WORK A cylinder contains 22g of air. If 77g of air are pumped into the cylinder at constant temperature, how does the pressure in the cylinder change?

Chemistry
SHOW WORK A cylinder containing 48g of nitrogen gas at room temperature is placed on a scale. The valve is opened and 12g of gas are allowed to escape. Assuming that the temperature of the cylinder remains constant, how does the pressure change?

chemistry
SHOW WORK How many moles of helium occupy 26.4 L at a pressure of 103.0 kPa, and 10 degrees Celsius? A.) 0.03 mole B.) 0.86 mole C.) 1.16 mole D.) 32.72 mole

Physics
A freestyle skier hits the take off ramp with an initial velocity of 17.5 m/s with a purely vertical take off (90 degrees). What is the peak height that the skier will reach? Can you fully explain to me how to get this answer? I did the formula d=Vi*deltT+(1/2)(a)(t^2). To get...

Algebra
-x+5y=13 x-y=15 Solve by using process of elimination.

math
8n^2+14n-15=0

math
3 written ratios for 4 apples for $1

Choir
Thank you, this will help me during the concert!

Choir
How high should my note be in the highest point of the song O Come all ye faithful.

reading
What type of figurative language is this sentence:He was as clumsy as a bull in a China shop.

Algebra 1
What is an equivalent fraction to: 1/4(20z+10)+1/2z-2 1/4. I don't understand this.

Algebra 1
What is an equivalent fraction to: 0.5(12z-7)-3.5z+3.5 I NEED HELP!!!

elementary
That chocolate is from me. Why can't YOU do this?

Chemistry
Calculate the concentration of an acetic acid solution prepared by mixing 13.5mL of 10.0M acetic acid with 250.0mL of .15M NaCl solution.

geography
hongkong

Physics
The diagram for this problem is a pulley. On the left end Box 1 is sitting on a table and Box 2 is attached sitting on top of Box 1 and is attached to the string for the pulley. The right side has the string attached to Box 3 which is lifted off the table. A massless rope ...

Physics
Yea I got it! Thanks a lot!

Physics
Oh sorry I completely forgot to add that part in. It's a right triangle and mass A is on the incline (hypotenuse) portion and is attached to a pulley and on the other end is mass B hanging down the side that would be the height of the triangle (opposite of the angle). Is ...

Physics
If someone could help me get started or help me with the first few steps I could probably finish. With Mass A = .500 kg And Mass B = .125 kg Find the angle so that the system will be in equilibrium.

7th grade history
who was the frist dutch priest in eurpoe

CALCULUS
Find d/dx of the antiderivative from x^4 to 5 of the (9-t^2)^1/2

calculus
A trough is 10 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x10 from x=−1 to x=1 . The trough is full of water. Find the amount of work in foot-pounds required to empty the trough by pumping the ...

Calculus
A trough is 5 meters long, 1 meters wide, and 4 meters deep. The vertical cross-section of the trough parallel to an end is shaped like an isoceles triangle (with height 4 meters, and base, on top, of length 1 meters). The trough is full of water (density 1000 kg/m3 ). Find ...

Calculus
A trough is 5 meters long, 1 meters wide, and 4 meters deep. The vertical cross-section of the trough parallel to an end is shaped like an isoceles triangle (with height 4 meters, and base, on top, of length 1 meters). The trough is full of water (density 1000 kg/m3 ). Find ...

hss
need help to do a project on louise pasture

Math
I need a formula to solve the question.... If anyone has a clue I would love it

Math
Karen has an 86% average after 4 grades, what grade does she need to get in order to bringer average up to an 88%?

Physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 4.6 m waterfall. The spy’s speed is 15 m/s and the officials’ speed is ...

calculus
find the equation of the tangent line at f(x)=tanx - 2 at point (pie/8,3)

chemistry
A cube of gold has a side length .050m. The mass of the cube is 2.40kg. What is the density of gold in g/cm cubed?

english
you have to find your questions by using the simpilogical text and its features

math
You are 64 inches tall and your shadow is 72 inches long. A tree casts a shadow of 144 inches. How tall is the tree?

maths
1 1/6!!

pre-calc
what are the asymtopes of 2x/x-3

trig identities
is that the answer?

trig identities
cos94 degrees cos18 degrees+ sin94 degrees sin18 degrees. write the expression as the sine, cosine, or tangent of an angle.

pre calc
cos2x=cosx in interval of [0,2pie]

Algebra
Ok thanks!

Algebra
Is this simplified? 6a2 + 4a2b - 4ab - 3b *The 2's are exponents

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