# Posts by MEGAN

Total # Posts: 1,194

Physics
Given the following vectors: A = (28, 110°) B = (63, -30°) Determine A + B. Specify the sum as both Cartesian and polar.

Physics
A top fuel dragster can complete a quarter-mile (402 meters) in 4.7 seconds. Assuming that the vehicle starts from rest and that acceleration is constant, calculate (a) the acceleration and (b) the final speed of the top fuel dragster.

algebra
A Spanish class has a total of 46 students. The number of females is 14 less than the number of males. How many males and how many females are in the class?

et

et
which of the following statements is a true statement? A) if it is printed or posted on the web, then it is a fact B) websites must go through a validity checker before they can be posted on the internet C) experts constantly check everything on the internet to make sure the ...

Education Technology
is it D?

Education Technology
What? but I need help

Education Technology
Yes. I read them again and A seems like a good answer

Education Technology
Ms. Sue im trying. You have been picking on me in the past and im over it. you shouldn't be on this site if you are going to be a bully. You don't even answer questions you just tell students how stupid they are. I don't care if your a teacher because you sure don...

Language Arts

Language Arts
according to "happiness is a charming charlie brown at orlando rep,) how do the technical aspects of the play compare with the performers? A) they do not achieve the same quality B) they are equally as good C) they overshadow them D) they are much more inconsistent I ...

find the area of the parrallelogram with a base of 372.5 cm and a height of 17.6 cm A) 398.8 cm2 B) 327.8 cm2 C) 13,112 cm2 D) 6,556 cm2 My guess is B but i need help

Math
How many 3 letter security codes can be made from the 4 letters A,B,C,D? For example , BAB, and ABB, are two such codes, and DAC is another. Explain

Language arts
Thanks Ms. Sue!

Language arts
Oh I know! C!

Language arts
It is B.

Language arts
If you have read this poem or taken this test can you please help me with it?? in "rose pogonias" which type of figurative language is found is line 6 and 7? A)symbol B)metophor C) personification D) simile

Math
In 1950 the annual per capita consumption of eggs was 495; that is, the average person ate 495 eggs per year. In 2004 the per capita consumption had dropped to 257. Fill in the blank with a fraction. (Round each annual per capita consumption to the nearest ten.) In 2004 the ...

Math
The music teacher would like to have the same number of girls and of boys in the chorus. She finds that 5/8 of the chorus are girls but that if she can get 10 more boys, the chorus will have the same number of boys as of girls. (a) How many students are in the chorus? (b) If ...

Technology
Can someone help me write a 5 paragraph essay on microsoft word and how we use it and stuff? if you could that would be amazing! thanks!!

CHECK THIS LANGUE ARTS THING AS FAST AS YOU CAN!
I am doing the test now I will post my CORRECT answers when I am done

Chemistry
A solution is prepared by pipetting 5.00 mL of 0.0983 molar HCl into a 100.0 mL graduated cylinder, and adding enough water to prepare 50.0 mL of solution. 1.The concentration of this solution is ____________M 2.The pH of this solution is ____________ Because HCl is a strong ...

Math
Have you ever been on an airplane and heard the pilot say that the plane would be a little late because it would be flying into a strong headwind or that even though the plane was taking off a bit late, you would be making up time because you would be flying with a tailwind? ...

Math
If you are flying to a city 400 miles away, what will be the difference in flight times between flying into a 40-mph headwind and flying with a 40-mph tailwind if the plane's maximum speed with no wind is 160 mph?

calculus
A bucket that weighs 4 lb and a rope of negligible weight are used to draw water from a well that is 70 ft deep. The bucket is filled with 44 lb of water and is pulled up at a rate of 2 ft/s, but water leaks out of a hole in the bucket at a rate of 0.2 lb/s. Find the work done...

calculus
A cable that weighs 6 lb/ft is used to lift 750 lb of coal up a mine shaft 500 ft deep. Find the work done. Show how to approximate the required work by a Riemann sum.

Science
No problem!! Glad that I chould help:)

Science
Sorry that I didnt post them sooner the quiz took me awhile

Science
Here are the answers to the quiz I promise on my life they are 100% correct 1.B 2.C 3.C 4.D 5.D 6.A 7.B 8.C 9.D 10.C

Science
Here are the answers if you areI will post the answer around 12 O clock

Science
I think I might be able to help but I have yo do yhe quiz first then I will post the real answer please trust me I am always 100% honest I hate when people lie

Science
Thanks Smashleyyy!!!!

the ferris wheel at an amusement park measures 16m in diameter. the wheel does 3 rotations every minute. the bottom of the wheel is 1m above the ground... a) determine the simplest equation that models Megan's height above that ground(h) over time (t). give 2 more ...

comsumer math
9. Your fixed expenses are \$1,151.65/month. You saved 4 months' worth in an emergency fund, investing 25% in a savings account at a 3.3% APR and the rest in a 60­day CD at a 4.3% APR. How much total interest accrues over 60 days? (1 point) \$ 10. What is the difference ...

english 101
thanks for help

english 101
if they knew that---the answer is knew bc the other side is have+pp am i right?

english 101
choose the best word? If they----that the weather was going to be so bad, they wouldn’t have gone to the beach. Were knowing/had known/known/knew my answer is known

english 101
sorry bc its passive voice, we use that like was/were+pp

english 101
thanks

english 101
select your answer? Jf Kennedy was a senator before he --- -- president in 1960. Has elected/was electing/was elected/elected my answer is was elected

Physics
When dots are placed on a page from a laser printer, they must be close enough so that you do not see the individual dots of ink. To do this, the separation of the dots must be less than Raleigh’s criterion. Take the pupil of the eye to be 2.9 mm and the distance from the...

i mean four

so is three right

For questions 3 and 4, you will be answering by filling in the blank. Please be aware that your answer must include any commas or decimals in their proper places in order to be correct. The dollar signs have been provided. For example, if the answer is \$1,860.78, then you will...

social studies
Here are the answers 1.A 2.D 3.A 4.C 5.C 6.C 7.A 8.C 9.C 10.D Trust me I just took the quiz

input output math
i need help with the input 4 and output 25, input 5 and output 32

MATH
WHAT IS 23.25 ROUNDED TO Im confused but I think it can stay the same or to 30

Science
To become more stable an atom that has two electrons in its outer energy level will gain two electrons A.) True B.) False That false correct?

Social Studies
Who thought that governments should be headed by philosopher-kings?

English
A house down the street and the duplex next door __________ for sale, but the prices __________ too expensive for most people to afford. A is; seem B. are; seems C. is; seems D. are; seem

Algebra
If a rectangular solid has a volume of x^3+2x^2+x, what could represent the lengths of the sides? don't have a clue how to start

PHYSICS
What is the magnitude of the instantaneous velocity (speed) of a freely falling object 13 s after it is released from a position of rest? Consider the acceleration of gravity to be 10 m/s2 .

Chemistry
Zn(s)+HCl(aq)--> ZnCl2(aq)+H2(g) net ionic??

Physics
A 500-kg disk-shaped nonrotating satellite gets hit by a 5-g piece of space debris moving at 1 km/s. If the debris buries itself near the satellite’s rim, how rapidly will the satellite rotate after the hit?

Literature Study
those arent correct. 10% F ^

Loan
In a loan database, there are 60 loans to clients with 18 years of business experience. Also, there are 23 loans made to clients with a High School education. In the database there are 68 loans to clients with 18 years of experience or who have a High School education. How ...

science
a muscle such as the heart muscle that does its job without thinking about it

College Algebra
Create a piecewise function of the following scenario where Upper D left-parenthesis t right-parenthesis is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 3 miles per hour for 25 minutes. You ...

Health
Thanks @chance !!!!! I got 1000000% right

geometry
2.5

science
How many atoms of carbon are needed to produce 0.45 mol Al? 3C + 2Al2O3 4Al + 3CO2 A. 2.6 × 1026 atoms B. 9.7 × 1024 atoms C. 3.0 × 1022 atoms D. 2.0 × 1023 atoms

science
Which of the following is an example of heterogeneous catalysis? A. Ethylene and hydrogen gases are adsorbed onto the surface of a metal catalyst to accelerate the formation of ethane. B. An enzyme catalyzes a biochemical reaction that produces the alcohol and CO2 gas in beer...

science
How would the fraction of successful collisions change with an increase in reaction temperature? A. The fraction of successful collisions would decrease. B. The fraction of successful collisions would remain unchanged. C. The fraction of successful collisions would increase. D...

science
What order is the radioactive decay of carbon-14, an unstable isotope of carbon? A. Third order B. Second order C. Zero order D. First order

Math
How do you solve 4x + 3.0 = -4x + 2.6?

maths
approximate the solutions (to three decimal places) of the given equation in the interval square bracket 0, 2π) sin 2x + 1.5 cos x = 0

calculus
Find the exact value of the given expression. (tan17pi/12 - tan pi/4) / (1+tan 17pi/12 tan pi/4) can you help with this? i got the answer 1/ squareroot 3

math
so would that be tan (8x)?

calculus
I did but it isn't one of my answer options. The options are a. (squareroot 3 - 1) / 2 squareroot 2 b. (squareroot 3 + 1) / 2 squareroot 2 c. (- squareroot 3 + 1) / 2 squareroot 2 d. (- squareroot 3 - 1) / 2 squareroot 2

calculus
Find the exact value of the given expression using a sum or difference formula. sin 345° Can you help with this? I got 1/4 (squareroot 2 - square root 6)

calculus

calculus
the months are a. march through september b. april through august c. march through august d. may through september e. april through august i think the answer is c

calculus
The monthly sales S (in hundreds of units) of baseball equipment for an Internet sporting goods site are approximated by S = 60.1 − 43.9 cos πt/ 6 where t is the time (in months), with t = 1 corresponding to January. Determine the months when sales exceed 7700 units...

math
Use a graphing utility to approximate the solutions (to three decimal places) of the given equation in the interval (-pi/2, pi/2) a. 1 b. –1 c. 1/2 d. 2 e. 0

math
Use a graphing utility to approximate the solutions (to three decimal places) of the given equation in the interval square bracket0, 2π) sin 2x + 1.5 cos x = 0 a. x = 1.624, 1.932, 5.776, 5.997 b. x = 1.055, 3.785, 4.652, 5.721 c. x = 1.101, 2.118, 3.982, 5.104 d. x = 1....

Chemistry
Given the following three electron configurations: 1s2 2s2 2p5 How many core electrons does this element have? A. 4 B. 5 C. 9 D. 2

Chemistry
Don't worry - I figured it out. It is Boron

Chemistry
Which of the following atoms would have the highest first ionization energy? A. Li B. Be C. Na D. Mg

Algebra
sue can shovel snow from her driveway in 60 minutes. Tom can do the same job in 35 minutes. how long would it take Sue and Tom to shovel the driveway if they work together?

Math
find a rational function that satisfies the given conditions vertical asymptotes x=-6,x=7 horizontal asymptotes y=10/9 x intercepts (6,0)

Chemistry
Calculate the pH of a buffered solution prepared from 0.25 mol KF and 0.75 HF after the addition of 0.05 mol of NaOH (assume a 1.0 L volume of solution) I get that i need to use two separate ice tables, but i don't really understand how to go about doing that?

social studies
I mean a

social studies
which of these is an example of entrepreneurs malia starts selling jewelry she made in an online store liam found a summer job walking dogs in his neighborhood pavel worked hard to learn how to speak a foreign language Ophelia took classes in painting and drawing at an art ...

social studies
what is the most likely effect on a person's income if he or she has little education and few skills? A. the person's income will vary greatly. B. the person's will earn a high income. C. the person's income will decline over time. D. the person's will earn...

social studies
Which of these events would most likely lead to a rise in interest rates for home mortgages? The prices of homes for sale in a certain city rise by a great deal. Many new lenders begin offering home mortgages. Home sales increase greatly for several months in a row. The ...

social studies
thank you

social studies
1. c 2. b

social studies
1.when prices at a high rate, it is called? interest rate net export inflation taxes 2. which of these is not a purpose of money? store of value producers of resources unit of account medium of exchange

1.d 2.d 3.c 4.a

language arts
1. c. 3a. c

language arts
The passage is The Miracle Worker by William Gibson. Kate. Miss Annie. Annie. No. Kate (a pause). It’s a very special day. Annie (grimly). It will be, when I give in to that. [She tries to disengage HELEN’S hand; KATE lays hers on ANNIE’S.] Kate. Please. I’...

Hi I am doing the quiz and I will post the answers when I am done the will probally be at like 12 o'clock.

English

Art
Peggie is right but number 10 is B :):):):):)

Physics
A dam 143 m above a hydroelectric generator holds 1.6 x 1015 L of water. If the generator is taken to be at a height of 0 m, how much potential energy is stored in the dam?

Math
The answer is not 3. This is how you do it: Vanilla Chocolate Cake Cones - Strawberry Pistachio Coffee Vanilla Chocolate Waffle Cones - Strawberry Pistachio Coffee Vanilla Chocolate Cups - Strawberry Pistachio Coffee This shows that there is 4 outcomes per cone/cups, therefore...

That is correct :)

Physics
A block of weight 3.8 N is launched up a 30 ∘ inclined plane of length 2.20 m by a spring with spring constant 2.40 kN/m and maximum compression 0.10 m . The coefficient of kinetic friction is 0.50. f so, how much kinetic energy does it have there; if not, how close to ...

Physics
A car moving at 37 km/h negotiates a 140 m -radius banked turn designed for 60 km/h . What coefficient of friction is needed to keep the car on the road?

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