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Posts by sam

Total # Posts: 5,200

math
Thank you Ms.Sue

math
Adding= Sum What are those kind of words for subtract divide and multiply? I am not for sure what they are called.

World History
Which of the following tools would NOT help a geographer to understand the ways that a country’s boundaries changed over time? A.map B.timeline C.graph D.aerial photography

Physics II
Assuming equal point charges, calculate the magnitude of the charge in C if the electrostatic force is great enough to support the weight of a 1.95 mg piece of tape held 1.05 cm above another?

Physics II
A test charge of +2 μC is placed halfway between a charge of +6 μC and another of +4 μC separated by 10 cm. What is the magnitude of the force on the test charge?

math
A 4ft piece of pipe needs to be divided into pieces that are 2/3ft long. How many pieces are made? How many remaining?

Health HELP ME!!
Thx

engineering maths. need answer asap
But don't you convert it into the base units?

geometry
we have angle ABC = angle ACB = angle DEC=angle CDE, BC = 8, and DB = 2. Find AB.

MATHS
108

Physics
During volcanic eruptions, chunks of solid rock can be blasted out of the volcano; these projectiles are called volcanic bombs. The Figure shows a cross section of Mt. Fuji, in Japan. (a) At what initial speed would a bomb have to be ejected, at angle q0 = 35° to the ...

Physics
9886, where does it come from? How did you get it?

statistics
If the mean value of the weight of a particular brand of dog food is 20.6 lb and the standard deviation is 1.3, assume a normal distribution and calculate the amount of product that falls below the lower specification value of 19.7 lb

LA
HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

LA
i don't get the other comments that you posted

LA
In all together now Jordan uses appeals to reason to try to persuade her readers that her views are important. In a paragraph cite one example of each kind of appeal in her work. thank explain whether you find jordans appeals convincing supporting your ideas with logical ...

Art
Why is art fun

Physics
Fred and George who are identical twins, same body mass, are competing in aerial skiing. Fred hits the take off with a speed of 15.8, whereas George has a speed of 8.3. How much higher will Fred go?

Problem Solving: Make a Table
Water for irrigation is measured in acre-feet. One acre-foot is the volume of water that would cover one acre of land to a depth of one foot. How many acre-feet of water would it take to cover 600 acres to a depth of one inch?

Language Arts 6A
Which of theses is a category used in the passage to contrast falcons and hawks?

english
The film image thus became almost square during the early years of the talkies until the space occupied by the sound track on the film was successfully reduced. Can someone explain to me what this mean? I don't understand.

English
What's the answer? A?

Spelling
I am working on synonyms and diagraphs. I need a 7 letter word, that means finished. The third letter is r. Fifth letter is probably u.

Chemistry
A 38.5 mL sample of HBr is titrated with 112 mL of 1.05 mol/L KOH. The density of the HBr solution is 1.75 g/mL. Calculate the percentage by mass of the HBr in the sample. How come we don't use density*volume to find the moles of HBr?

Chemistry
30.0 mL of 0.0200 mol/L NaOH are added to 70.0 mL of 0.0100 mol/L HCI. Calculate the [H3O+] and [OH─] of the resulting solution My answer: [OH-] = 1.00x10^-10 M; [H3O+] = 1.00x10^-4 M Teacher's answer: [OH-] = 1.00x10^-11 M; [H3O+] = 1.00x10^-3 M Am I missing ...

Chemistry
50 Ltr. Of a certain liquid is confined in a piston system at the extenal pressure 100 atm this pressure suddenly released and liquid is expanded against a contant atm pressure , vol. Of liquid increases by 1 Ltr and the final pressure of the liquid is 10 atm. Find the work done.

physics
Conserve momentum

Chemistry
A piece of copper alloy with a mass of 73.0 g is heated from 23.0◦C to 44.0◦C. In the process, it absorbs 558 J of energy as heat. What is the specific heat of this copper alloy?

Math
Can you explain how you got that please?

Math
A van travels for 3 hours at an average speed of 40 mph. How much longer must the van travel at an average of 55 mph so that the average speed for the entire trip will be 50 mph?

Algebra
Thank you!

Algebra
You are choosing between two different internet providers. Company A charges $75 for installation and $42 per month. Company B charges $30 per month for installation and $45 per month. After how many months will the total costs for Internet service through the two companies be...

Math
Yes thank you!!!

Math
You are offered two different sales jobs. Job A offers an annual salary of $36,000 plus a year end bonus of 1.5% of your total sales. Job B offers an annual salary of $32,000 plus a year end bonus of 2% of your total sales. How much would you have to sell to earn the same ...

PreCalculas
Ok thank you i don't know what i was doing wrong

PreCalculas
write sqrt36*3sqrt64 using exponential notation i keep getting 24 so am i doing it wrong or is that right im confused

Pre-Calculus
f(x) = cos(x) on the interval [−2π, 2π] (a) Find the x-intercepts of the graph of y = f(x). (Enter your answers as a comma-separated list.) (b) Find the y-intercepts of the graph of y = f(x). (Enter your answers as a comma-separated list.) (c) Find the ...

Chemistry
How to find the mass of a solid formed when: 45.00ml solution of 0.003 800 mol/L lead (II) nitrate is mine dish a 30.00 mL solution of 0.08800 mol/L strontium iodide

Chemistry
what mass of barium carbonate will dissolve in a 2.50L solutions of 0.0500 molar sodium carbonate

writing
lol cheat is right

writing
Here is what I wrote. Both Ernesto from barrio boy and the boy in "A Day's Wait" interact with adults. Ernesto interacts with Miss Ryan, while the sick boy interacts with his father. Compare and contrast how the boys interact with the adults. Focus on how the ...

Math
True or false: If a is any positive real number, the graph of y=a^x will go through the point (0,1). True or false: x^3+2x^2 is an exponential equation because it contains exponents. I got true for both of them is that right?

Algebra 2
Find the vertex of each of the following parabolas by averaging the x intercepts. Then write each equation in graphing form. Y=x^2-14x+40

Algebra 2
Find the vertex of each of the following parabolas by averaging the x intercept. Then write each equation in graphing form. Y=(x-3)(x-11)

Social Studies
Yes.

Social Studies, Ms. Sue, Reed, Check My Work
@Ms. Sue, Please review my answers.

Social Studies, Ms. Sue, Reed, Check My Work
1. Geographers use the five themes of geography to (2 points) study world history. organize information. study world music. measure locations.• 2. People invented flat maps because globes cannot show (2 points) names of continents. shapes of continents. enough detail.&#...

English
Choose the sentence that is written in active voice. A. A serious accident was prevented on the highway by Roger's quick thinking. B. Roger's quick thinking prevented a serious accident on the highway. C. A serious accident was prevented on the highway. D. A serious ...

physics
filament lamp: cost-80p efficiency-0.2 expected life- 1000 hours compact fluorescent lamp (CFL): cost- £3.00 efficiency-0.8 expected life- 8000 hours A filament lamp with a power rating of 100 w gives 2000 units of light. what power rating would a CFL need to provide ...

chemistry
I have two that I can not figure out: #1: calculate the MOLALITY of 10.00 g/L of the salt, if its molar mass is 100.0 g/mol and solution density D=1.100 g/mL work: 10.00 g NaCl x (1mL/1.100g) x (1kg/1000 mL)= 0.00909 kg 100.0 g x (1 mol NaCl/58.4 g Nacl)= 1.7 mol 1.7/0.0090= ...

Philosophy
In this case, there is not a fallacy of relevance. While it certainly does appear to be an ad hominem attack on Wolf at first, if you look carefully, you can see that the response from World Press Review is relevant to the argument being made. A quote from the source of this ...

Check My Work Social Studies, Ms. Sue, Reed, Please
Is 1 to study world history, or is it to organize information, @Ms. Sue

Check My Work Social Studies, Ms. Sue, Reed, Please
Correction- 2. People invented flat maps because globes cannot show (2 points) names of continents. shapes of continents. enough detail.•• 5. Ocean currents follow regular patterns related to (2 points) latitude.•• volcanoes. hurricanes. longitude. 8. Which...

Check My Work Social Studies, Ms. Sue, Reed, Please
1. Geographers use the five themes of geography to (2 points) study world history. organize information. study world music. measure locations.• 2. People invented flat maps because globes cannot show (2 points) names of continents. shapes of continents.• enough ...

columbia high
160 divided by 8 is 20. There is your answer.

Math
Bird flies 80m east, then 60m south, then straight up In to sky for 30m. A)at this point how far is bird from his nest?

math
Waiting for solution

math
Hey pls pls solve it for me.

math
A fruit seller buys 100 bananas for Rs 40. Twenty bananas are spoiled and thrown away. At what rate should he sell the remaining so as to gain 10% ? Pls give me the solution of it.

math
Thnx

Geometry
for the second question it is (0,0)

math
Sara estimated 23 x 43 using 20 x 40. Sam estimated 23 x 43 using 25 x 40. Will Sara's or Sam's method give an estimate closer to the exact answer?Explain.

math
A golf practice range has 245 balls. The owner bought a carton of golf balls.How many golf balls does the owner have after buying the carton? Golf Balls 12 balls to a box 15 boxes to a carate 5 crates to a carton pls help by explaining me Thank you

Social Studies (Ms. Sue) Please Proofread
Thank you, they were correct!

Social Studies (Ms. Sue) Please Proofread
1. Population density is the number of people that live in a region divided by the number of (1 point) roads. square miles or kilometers in the region.•• waterways. people who used to live there. 2. How do demographers figure out population growth? (1 point) by ...

Chemistry
What is the concentration of lead ions in a solution if they are completely precipitated from 36.3 mL of solution by 29.6 mL of 0.35M potassium iodide.

math
Find the orthocentre of the vertices QRS. Q(2,6), R (-3,1) and S (6,2).

Social Studies
In what ways were diverse people from the Arabian Peninsula through the Middle East, North Africa, and into Spain united? What held them together and unified them, and how was this done? The time zone was between 500 to 700 CE.

Math
The blood vascular system consists of blood vessels (arteries, arterioles, capillaries, and veins) that convey blood from the heart to the organs and back to the heart. This system should work so as to minimize the energy expended by the heart in pumping the blood. In ...

science
Perfluorotributylamine (PFTBA) is found in extremely low concentrations (0.18 parts per trillion) but it has a great impact on climate. If Pftba concentrations increase, predict what will happen to the climate. Please help?

science
pftba is found in extremely low concentrations (0.18 parts per trillion) but it has a great impact on climate. if pftba concentrations increase, predict what will happen to the climate

physics
An object of mass 2kg is pulled to the right w/a force of 20N. The force makes an angle of 20o w/ the displacement axis. If the interface is rough w/a coefficient of kinetic friction 0.3, what's the net force along the diaplacement axis?

Organic Chemistry
23.78

Genetics/Bio
...don't bother replying if your response is 'idk.' The answer to your first problem is 'splicing.' My book mentions snoRNA's role in rRNA modification, assembly and cleavage. tRNA molecules have more than 4 standard nucleotides, the amino acid is ...

Physics
It is C.

Physics
Which of the following summarizes Rutherford's model of the atom? a. Electrons are embedded in a positive region of spherical dimension. b. Electrons revolve around the nucleus without emitting radiation. c. Electrons revolve around the nucleus like planets move around the...

Science
btw nobody is gonna answer your question bc there are no science tutors on this website

Language
Depends on why you're asking?

Language
It's just as exasperation when you discover the definition of "evocation" is "the act or fact of evoking" If you rewrote this sentence beginning with "nor are you" the next words are: 1) just as exasperated 2) exasperated any lesser 3) any ...

Language
I think it's number one..right?

Language
When you're told that there are no jobs. And it is time for some fast thinking. What would be the correct thing to put in? 1) jobs, it 2) jobs, and it

English
what is the PA in question 13?

Language
Thanks

Language
Consider an example in which both cars are insured by the same plan. Is there supposed to be a comma after "example"?

history
I did but still couldn't find the answer to the question. could u plz help me out?

history
International efforts are being made to safeguard against the misuse of weather modification. An example of the potential to "misuse" the weather is 1)eliminating droughts and deserts in the world 2)preventing floods in flood-prone areas 3)creating droughts or floods...

trigo
please po help me. A chimney projects 6 feet above the roof. At a point 10 feet 8 inches down the roof from the base of the chimney,the chimney subtends an angle of 17°40' . find the angle at which the roof is inclined to the horizontal.

math
I used a calculator And it said 8

math
josh ran for 56 minutes and walked for 16 minutes. What is the ration of the number of minutes ran to the number of minutes walked?

Geometry
Find the distance between the lines with the equations y = 3/2x+4 and −3x+2y = −1. Round your answer to the nearest tenth.

geometry
(2,-7)

Social Studies Please Check My Answers
made a 100 thanks

Social Studies Please Check My Answers
Yay! Got a 100!

Social Studies Please Check My Answers
Thanks so much! It must be D for 2

Social Studies Please Check My Answers
2-A 3-C 5-C 6-B Hope these are right. Can you explain to me why they are right or wrong. I need to get a better understanding on this subject.

Social Studies Please Check My Answers
Which pair of basic questions guides geographers in their work? (1 point) Where are things located? and Why are they there?* What is the climate? and Why has it changed? When did Earth form? and What is it made of? Who lived where? and When did they move? 2. To learn more ...

math
a growing number of colleges are teaming up with banks to issue student id cards that double as debit cards. There were 51 partnerships in 2001. This number grew 10 126 in 2008. What is the percent of increase?

Social Studies! Reed?
Yay, Ms. Sue, Mr. Reed, y'all r geniuses. I got a 100%! I love you guys!

Social Studies! Reed?
Thanks! I appreciate having you tutors on this website! Do you even get payed?

Social Studies! Reed?
I will let you know if I get them right. Thanks, you are awesome. Can you check these answers real quick? Why was northern Italy a natural birthplace for the Renaissance? In your answer, explain what (5 points) the Renaissance was. It was a natural birthplace for the ...

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