caroline

This page lists questions and answers that were posted by visitors named caroline.

Questions

The following questions were asked by visitors named caroline.

75DEGREES= 30DEGREES+25DEGREES FIND THE SIN, COSINE, AND TANGENT

for what audience or readership do you think the article "blogs will change your business" was written? what is the purpose of the article (to entertain, inform, persuade, or a combination)? explain answer how do the writers organize information in the ar...

ok i have 10th grade math next year and i don't even know half the stuff for this year and its summer brake and im worrying about math..what do i do

ok i have 19th grade algebra next yeah and i don't even know half the stuff from thid year...soo what di i do cuz i am totsly going to fail i mrn itd summy snd im worried about algebra

is 2767 + 7445 = 10,200 by rounding? i got 2800+7400= 10,200

would a plant be considered a cell and an organism?

One end of a light spring with force constant 300 N/m is attached to a vertical wall. A light string is tied to the other end of the horizontal spring. The string changes from horizontal to vertical as it passes over a solid pulley of diameter 6.00 cm. Th...

sentence corrections Every one of the students I spoke to said they liked their math class. If a person loses their jacket, they can check the lost and found. Each of the boys likes to go out for ice cream after they win a game. My mom gave my sister and...

Are these correct Neither Jake nor Sue gets seasick. Are Jake and they ready with their math project? Every one of the students I spoke to said he/she liked his/her math class. If a person loses his/her jacket, he/she can check the lost and found. Each of...

32x+8=? Which algebric expression has the same value, explain method, please.. 4(x+2) 8(4x+1) 4(8x+1) 8(4x+8)

Which algebraic expression has the same value as 32x + 8 ? explain answer..thanks 4(x+2) 8(4x+1) 4(8x+1) 8(4x+8)

What is the theme and conflict of Mark Twain's short story,"The Private History of a Campaign that Failed"?

do you have anything on linear equations or categories on FCAT because I need to study. :)

how do you convert these 2 problems to slope intercept form? -2x=-1y-6 3x+3y=-18

how many moles of product are formed in the reaction? 2Al(s),3Cl2(g)--->2AlCl3(s) please help me!! thank you so much

i need help finding a titale for my essay. it is a personal narrative about my family.. the theme is laughter.. i really need help

A 2.9-L sample of paint that has a density of 4.65 g/mL is found to contain 26.7 g Pb3N2(s). How many grams of lead were in the paint sample?

Aluminum metal reacts with iron(III) oxide to produce aluminum oxide and iron metal. (a) How many moles of Fe2O3 are required to completely react with 55 g Al? mol (b) How many moles of Fe are produced by the reaction of 3.00 mol Fe2O3 and 97.7 g Al? mol...

At what temperature does the rms speed of Cl2 molecules equal 401 m/s?

Raoul Pictet, the Swiss physicist who first liquefied oxygen, attempted to liquefy hydrogen. He heated potassium formate, KCHO2, with KOH in a closed 2.50 L vessel. KCHO2(s) + KOH(s) → K2CO3(s) + H2(g) If 50.1 g of potassium formate reacts in a 2.50-L ves...

A sample of a breathing mixture for divers contained 34.3% helium, He; 51.7% nitrogen, N2; and 14.0% oxygen, O2 (by mass). What is the density of this mixture at 22°C and 748 mmHg?

A mixture contained zinc sulfide, ZnS, and lead sulfide, PbS. A sample of the mixture weighing 6.12 g was reacted with an excess of hydrochloric acid. The reactions are given below. ZnS(s) + 2 HCl(aq) → ZnCl2(aq) + H2S(g) PbS(s) + 2 HCl(aq) → PbCl2(aq) +...

A water slide can be thought of as being frictionless. Let's say a slider starts from rest and goes down a slide that is 30 m long and is set at a 25 degree incline. a) Determine the speed of the slider at the bottom of the slide. b) Explain why you don't...

A 1.5 kg chunk of ice slides down a roof sloped at a 60 degree angle with the horizontal. If there is no friction, determine the acceleration of the ice. Show that the amount of mass doesn't matter in part a.

A person pulls with a force of 40 N on two boxes at rest. The top box is 3.0 kg and the bottom box is 6.0 kg. The coefficient of kinetic friction between the floor and the larger box is .20 and the angle is 30 degrees. a) if the smaller box doesn't slide...

Hydrogen cyanide is a highly poisonous, volatile liquid. It can be prepared by the following reaction. CH4(g) + NH3(g) → HCN(g) + 3 H2(g) What is the heat of reaction at constant pressure? Use the following thermochemical equations. N2(g) + 3 H2(g) → 2 NH...

Carbon disulfide is a colorless liquid. When pure, it is nearly odorless, but the commercial product smells vile. Carbon disulfide is used in the manufacture of rayon and cellophane. The liquid burns as follows. CS2(l) + 3 O2(g) → CO2(g) + 2 SO2(g) Calcul...

Suppose you mix 20.1 g of water at 66.2°C with 44.6 g of water at 35.7°C in an insulated cup. What is the maximum temperature of the solution after mixing?

A 19.5-g sample of a metal was heated to 61.67°C. When the metal was placed into 26.5 g of water in a calorimeter, the temperature of the water increased from 25.00°C to 30.00°C. What is the specific heat of the metal?

Calculate the heat released when 4.260 L Cl2 with a density of 2.46 g/L at 25°C reacts with an excess of sodium metal to form solid sodium chloride at 25°C.

How many grams of oxygen gas are required to produce 7.46 kJ of heat when hydrogen gas burns at constant pressure to produce gaseous water? 2 H2(g) + O2(g) → 2 H2O(g) ΔH = −484 kJ Liquid water has a heat of vaporization of 44.0 kJ per mole at 25°C.

How much heat is released when a mixture containing 12.6 g CS2 and 12.6 g Cl2 reacts by the following equation? CS2(g) + 3 Cl2(g) → S2Cl2(g) + CCl4(g) ΔH° = −230. kJ

When empty, a particular helicopter of mass 3770 kg can accelerate straight upward at a maximum acceleration of 1.34 m/s2. A careless crewman overloads the helicopter so that it is just unable to lift off. What is the mass of the cargo?

Two cubic blocks are in contact, resting on a frictionless horizontal surface. The block on the left has a mass of mL = 6.70 kg, and the block on the right has a mass of mR = 18.4 kg. A force of magnitude 112 N is applied to the left face of the left bloc...

A 2.5 kg block is pulled to the right by a horizontal string. The coefficient of static friction between the block and the floor is 0.30 and the coefficient of kinetic friction is 0.20. What value of force applied by the string will start the block moving...

A circular sector of central angle theta and 9 cm radius can be fashioned into a paper cone with volume 100 cm^3. Find all possible values of theta.

The result of reflecting across the line y=-x and then rotating 330 degrees counterclockwise around the origin is an isometry T. Represent T by a 2x2 matrix. Could someone explain how to do this?

A .25 kg skeet is fired at an angle of 30 degrees to the horizon with a speed of 30 m/s, When it reaches the maximum height, a 15 g pellet hits it from below. Before the collision, the pellet was traveling vertically upward at a speed of 200 m/s Embedded...

1) In song of myself number 33 whitman a. refuses ti help the skipper b. is repulsed by the suffering he describes c. take on the suffering of the victims d. ponders matters of life and death 2) Whe the speaker in song of myself, number 33, writes that ag...

Can you tell me the relation between I and You in the first section of Song of Myself...

how long will it take a sum of money to tripple itself at 16%p.a simple interest

if ac=7x+5 and bd=14x-2,what is the value for ac?

2 institutions that redress teenage pregnancy

what is one fourth of eight

If you drop a stone into a well that is d = 122.0 m deep, as illustrated in the figure below, how soon after you drop the stone will you hear it hit the bottom of the well?

how many moles of O2 are contained in 6.53 L with 297 K and 6.6 atm

Which is the best way to learn new material? A. Use techniques that appeal only to your preferred learning style. B. Review notes every day. C. Consistently study the same way. D. Use techniques that appeal to all three learning styles

A square loop of wire of side 2.8 cm carries 3.0 A of current. A uniform magnetic field of magnitude 0.67 T makes an angle of 43° with the plane of the loop. (a) What is the magnitude of the torque on the loop? (b) What is the net magnetic force on the lo...

The scores on a chemistry test are normally distributed. Approximately 95 percent of the scores fell between 78 and 92. What is the standard deviation for this distribution?

gena,freddie,and hank went running.gena ran 1/3 mile,freddie ran 4/7 mile,and hank ran 2/5 mile.who ran the farthest?

Evaluate: 30 - m/6 for m = 30. a. 25 b. 0 c. 6 d. 1 i chose a. 25? please verify. thanks

a 50 kg ice skater is skating on a frozen lake where the ice has a coefficient of friction of .08. How much force is required to push her across the ice at a constant velocity?

A tax free municipal bond pays 4.75% compounded continuously. What is the value of a $2,000 bond after 30 years? Round your answer to the nearest cent. [Hint- A=P e^rt where P= present(initial) value, A= future value, r= annual rate, and t= number of year...

Jane's artwork is displayed alongside other contemporary art pieces at the modern art museum. which word that can be used to describe Jane's artwork has the most positive connotation? weird eccentric original odd

What is the appositive in this sentence? My father, David, goes to the golf course on Sundays. David father golf course Sundays

elements in a _ have the same number of _ or _

each element in a group has the same number of _ in their _ _

each element in a group has the same number of what

each element in a group has the same number of coders in their what

Answers

The following answers were posted by visitors named caroline.

I can no give out my email address so here it is catwomen 228 yah. I hope you figure this out and I would be glad to help you

if you need help catwomen 228 yah. I would be happy too caroline

hi do you know where the asthenosphere is located ?

I just took this class and got an A- in it I would be glad to help you out. Which article did you choose? "How telephones work" What type of introduction does the writer use? "Include Interesting facts about the subject." What is the impact of that kind o...

is anyone going to answer the question?

T=2*M*g I can't get the other parts.

can you get the answers to b and c?

do you have anything on linear equations or categories on the FCAT. i need to study :)

90+45= 135 180-135= 45

how many moles Sbs are left!?

3/2 times 3.30?

and another question how many moles of product are formed in the reaction? thank you so much!

hii it should read.. In case you were wondering if I got lost, I reached my destination safely. i hope it works!

JL.. don't be too harsh.. he probably new that :)

samee!!.. but im also taking geometry.. and im studying to become an engineer

yupp looks good!

heat transferses from the sun to the soil in something called radiation.. :)

hahaha that's cutee

I need help with this problem, and it's due tomorrow.

I got the grams of NO, but how do you do the limiting reagent problem?

what equation would you have to use here?

I keep getting d=0.00441. I'm not sure what I'm doing wrong. My equation with the numbers substituted in looks like this: (0.98421)(0.10853)=d(0.08206)(295.15)

sorry, what's mg?

so i won't have a numerical answer?

2x+2y=430 (x being the diameter and a side; y being another side) That would be your starting equation. I think :)

i know that its used to show us how we are connected to him and that we are all one living in the same universe. BUT can you please explain it in a more elaborated way .. thanks

can someone please tell me if these answers are right?

i am sorry ... thx for the advice

thank you, i appreciate your answer

why isnt anyone answering??? its not that hard . \wh

A. a desk stocked with supplies. B. a relaxing area such as your bedroom. C. ample amounts of natural light. D. comfortable and balanced temperature

a solution is prepared by dissolving 22.0g of NaOH in 117.0g of water. The NaOH solution has a density of 1.15 g/mL. what is the Molarity(M) of the solution.

fossils are important discoveries because they help us to understand and recreate the ancient past.

2+2 4+0 3+1 there is your answer

because if you were talking it would be hard to understand when you are talking to peaople

what are the 4 parts to the coercive acts?

it doesn't give the initial temp

(81-66)/SD = 0.67(z score of 0.75) 15/SD= 0.67 15/0.67 SD=22.3880

Am in need of writing this research project .So please Help me .

so it would be after??

i would be david?

come on i really need help on this today!!!!!!!

Guys, it is C for anyone who is confused~ <3

when kaitlin divided a fraction by 1/2, the result was a mixed number. was the original fraction less than or greater than 1/2

boy what the hell boy

h divided by 4 = 9 what does h equal