Posts by ANON

Total # Posts: 3,083

math
IF YOU GO TO CONNECTIONS ACADEMY AND ARE ON LESSON POLYGONS AND ANGLES THEN USE GRAY'S ANSWERS. HE IS 100% AND IF YOU DO NOT GO TO CONNECTIONS ACADEMY THEN THESE ANSWERS MAY NOT BE RELIABLE.

math
TAYLOR ISN'T RIGHT I GOT 2/11 :(

math
YOURE ALL IDIOTS GDI JUST GIVE THE ANSWERS AND GO!!!!!

math
I am a math teacher for grade 8 and you are wrong completely off. B C A B A C D C B D C

math
Kat is not right, i got 1/10. here are the correct ones 1) B 2) A 3) C 4) D 5) B 6) D 7) C 8) A 9) A 10) C 11) Essay.

math
I'm confused, is he right or wrong?

Science (Chemistry)
After submitting the answer, this is what I received as feedback. The system is marking that the amount of moles of precipitate was incorrect, although when I did the problem originally I got the same number that you did. I am just posting this feedback for future reference, ...

Science (Chemistry)
A student mixes 35.0 mL of 2.82 M Pb(NO3)2(aq) with 20.0 mL of 0.00221 M Na2C2O4(aq). How many moles of PbC2O4(s) precipitate from the resulting solution? What are the values of [Pb2 ], [C2O42–], [NO3–], and [Na ] after the solution has reached equilibrium at 25 °...

Science (Chemistry)
A student mixes 35.0 mL of 2.82 M Pb(NO3)2(aq) with 20.0 mL of 0.00221 M Na2C2O4(aq). How many moles of PbC2O4(s) precipitate from the resulting solution? What are the values of [Pb2 ], [C2O42–], [NO3–], and [Na ] after the solution has reached equilibrium at 25 °...

Social Studies (Ms. Sue)
What would you consider to be the start of the Civil Rights Movement? I'm not badgering, I'm just curious.

science
Write a balanced equation to describe the following reactions: a) C14H30 is cracked to produce ethene, hydrogen and one other compound b) C16H34 is cracked to produce ethene and propene in a 2:1 ratio and only one other compound

Science
its a

math
72 scored higher than 85% 8 scored lower

Its C lol

math
The problem is how the question is worded is not physically possible to do with 1 cake and 8 EQUAL pieces. Stupid common core math is ridiculous.

5. A 1,600 kg car is moving south at 24 m/s. What is its momentum? (Points : 1) 66 kgm/s south 66 kgm/s north 38,000 kgm/s north 38,000 kgm/s south Question 6. 6. The velocity of a 150 kg cart changes from 6.0 m/s to 14.0 m/s. What is the magnitude of the impulse that acted on...

Science
Kiki is right

Science
Planet D. Gravity and Inertia. The Moon would move in a straight line.

permutation and combination
The game of euchre uses only the 9s, 10s, jacks, queens, kings, and aces from a standard deck of cards How many five-card hands have at least two red cards?

math
8 Quarters + 3 Dimes + 7 Nickels = 21 coins he uses 16 coins 21 - 16 = 5 he used 8 Quarters, 3 Dimes and 5 Nickels therefore he has 2 Nickels left

permutations with identical items.
how many four letter arrangements are there for the word Mattawa?

math
* :)

math

math
12/12 - (3/12 + 2/12) 12/12 - 5/12 = 7/12 therefore there are 7 green marbles

Data Management
what is the probability that either a heart or a face card (K Q J) is chosen but the Q of heart is missing from the deck?

Data Management
a couple is planning to have seven children. what is the probability that at least 3 of the children will have a birthday in the same month

Data Management
if mike does homework today the probability that he will do it tomorrow is 0.8. the probability he will do it today is 0.7. what are the odds that he will do it both today and tomorrow

Data Management
there is a six sided die, number 1- to 6. what is the probability that it it take exactly two tries to roll a 4? what is the expected waiting time until and odd prime number is rolled?

Physical Science
a d d b

Science
Fuyuko is correct. D B B B

Science
All of your answers are correct except for Question 6. The answer should be B (wide, dark areas and strange spots and ridges)

Spanish
Can somebody help with my Spanish review? Combina lógicamente las palabras de vocabulario de las dos columnas. a. la caza b. el boxeo c. penalizar d. el/la jinete e. la cancha f. transnochar g. el campamento h. los naipes 1. el arco y la flecha (A) 2. la tienda de campa...

Tech ed
Lesson 1 answers acceptable use policy 1.B 2.A 3.D 100%

Reiny got it right

Summarize two observations that are contrary to the predictions based on Newton’s laws but that confirm Einstein’s explanation of gravity. Indicate how the predictions based on Newton’s theory differ from Einstein’s.

all of unknowns answers are right.

Thea^ is right and 7. is A

Math
if you wanna know if its b or c for sure, here is the equation solved: 20 lb for 16.20 = 0.81 26 lb for 23:40 = 0.90 24 lb for 18.72 = 0.78 22 lb for 18.70 = 0.85 0.78<0.81<0.85<0.90 the answer is c.

Damon
I've spent 4 hours to solve it as the result question a is done, but i'm a russian teenager, that is going to attend the uneversity, and unfotunately, i don't know how to solve it with non-constant friction koff.

World History
What were the crusades? What motivated most Europeans to join the crusades?

Well SMS was my middle school and now we're in high school and we don;t even go to the same one

tomorrow is my friend's birthday and she's turning 15 so I'm writing her a birthday card and I was wondering if I did any mistakes (I'm going to now write it on the card). Happy Birthday Sarah, You were definitely one of the few people in SMS who managed to ...

yes the answers are 1.B 2.A 3.C

physics
A woman wearing high-heeled shoes stands on a wooden floor. Her total weight is 480N and acts equally on each foot. Why are marks left on the wooden floor by the woman's shoe heels but not her shoe soles?

physics
240n/2cm^2

physics
240n/40 cm^2

physics
A woman wearing high-heeled shoes stands on a wooden floor. Her total weight is 480N and acts equally on each foot. Sometimes all this weight acts on the heels of her shoes. What is the pressure under her heels?

physics
A woman wearing high-heeled shoes stands on a wooden floor. Her total weight is 480N and acts equally on each foot. Sometimes all this weight acts on the soles of her shoes. What is the pressure under her soles? area under sole 40cm squared are under heel 2cm squared

physics
A woman wearing high-heeled shoes stands on a wooden floor. Her total weight is 480N and acts equally on each foot. Sometimes all this weight acts on the soles of her shoes. What is the pressure under her soles?

physics
A woman wearing high-heeled shoes stands on a wooden floor. Her total weight is 480N and acts equally on each foot. Sometimes all this weight acts on the soles of her shoes. What is the pressure under her soles?

Math :-)
It was C nevermind lol thank you anyways

Math :-)

Math :-)
Analyze the conditional statement below and complete the instructions that follow. You will receive the trophy if you win the championship match. Identify the hypothesis and the conclusion of the conditional statement. A. hypothesis: you will receive the trophy; conclusion: ...

Math
Which of the following statements is not always true? A. In a rhombus, the diagonals bisect opposite angles. B. In a rhombus, the diagonals are perpendicular. C. In a rhombus, the diagonals are congruent. D. In a rhombus, all four sides are congruent. I think the answer is A. :-)

Math
Which parallelograms have perpendicular diagonals? A. rectangle, rhombus B. square, rhombus C. square, rectangle D. none I know the answer isn't C.

math
got a 100% thank you!

Physics 2
Stop trying to cheat S104 OU TMA04

science
You guys are stupid. Ms.Sue thank you!

Math help :(
for some of us # 2 would be D. But that is only if #2 was y + 1.2y + 1.2z, in this case the answer would be D. hope that helps.

magnetism
f. Unsure why.

magnets
A particle of charge +q and mass m is initially launched at speed v in a region with a constant, uniform magnetic field of magnitude B. If the particle launched in a direction perpendicular to the magnetic field, by the time the particle has traveled a distance d, the work ...

AP CALC
find an equation of the tangent line to the graph of x^4-2y^2=1 at the point (2,4)

AP CALC
Suppose that g(x)=h(x)/f(x) and f(3)=5, h(3)=6, g'(3)=4 and f'(3)=1. find h'(3).

Math
Alan, Gil, and Deb's point score in a video game was in a ratio of 2:3:4. Deb scored 114,400 points. A) how many points did Gil score? B) how many points did all of them score? i don't know how to do this would you please help me, thank you

electricity and magnets
A thick metal slab carries a current I. A uniform magnetic field B points perpendicular to the slab (and into the page). If point P on the slab is at a higher potential than point , what can we say about the charge carriers that produce the current in the slab?

English
I've never been more confused

Physics
Two thin, infinitely long, parallel wires are lying on the ground a distance d=3cm apart. They carry a currentTwo thin, infinitely long, parallel wires are lying on the ground a distance d=3cm apart. They carry a currentTwo thin, infinitely long, parallel wires are lying on ...

Tris has #4 wrong it is SALT LEVELS

Smeh, don't blame her. Do your work next time.

physicS IMP PLS
@Greco I tried it and it workrd for a and c and for Fy but Fx was wrong!why did you use alpha? please help with this question!

physics I'M STUCK PZL HELP
is the "u" the ejected fuel in m/s instead of km/s?

physics I'M STUCK PZL HELP
in the equation above what is the "ln"?

PHYSICS IMP PLS
@Hil if you had calculated correctly it seem to be right

PHYSICS IMP PLS
it's simple 10%/2 because 145=290/2 and it said "assume the burn rate is constant" so V=Vex*ln(1/(1-%/2)) for your case V=2000*ln(1/(1-0.05)) a=V/145

Science- Ms. Sue
@Ms.Sue

Writing Skills
Thank you so much ^_^

Writing Skills
i think 1 is 2 2 is 2 3 is 2 are they correct?

Writing Skills
1) Frequently their renovation need to be completely redone. 1 need 2 needed 3 were needing 4 will have been needing 5 needs 2)If we were teenagers at the time these licenses signified our passage to adulthood. 1 time these licenses 2 time, these licenses 3 time; these ...

Science
How far does a wave travel in three cycles?

Science
The distance from the crest of a wave to the next crest is 10 centimeters. The distance from a crest of this wave to a trough is 4 centimeters. a. What is the amplitude of this wave? b. What is the wavelength of this wave?

World History
How do the beliefs of being a Christian and being a Crusader contradict each other? How are the ideas of the Crusades used today for both Christians and Muslims?

Solar

Solar

Solar
Greeting All, please assist with the below. Thanks. The spectral power density of a solar simulator is given by: P(λ)=7.5∗1015λ−2.25∗109 [Wm^-2m^-1] for 300nm<λ<500nm P(λ)=2.25∗109−1.5∗1015λ [Wm^-2m^-1] for ...

History
Who were the Seljuk Turks? What did they do?

creating a pivot table
A C A B 100% so u don't have to scroll

ET3034TUx Solar Energy
Consider a crystalline PV module with the following output parameters mentioned at STC (Standard Testing Condition) conditions by the manufacturer. Pmax = 250W Voc = 50V Isc = 6A NOCT = 40°C Temperature coefficient of power = -1W/°C a) If the ambient temperature falls ...

Chemistry

Language Arts
Have you ever wanted to know what people said and thought about you when you weren't around? If you could disguise yourself in some way and be around the people you know, how would you carry it out? Describe your ideal disguise and a scenario that you imagine would take ...

Language Arts
Thank you! That's just what I needed tips! :-)

Language Arts
describe a soggy, wet day. use sensory details.

Physics
can you help me with the problem of TURNTABLE SOLUTIONS???

Physics
thanks Elena you're the best ;)

Physics
TORQUE, ROTATION AND TRANSLATION A Yo-Yo of mass m has an axle of radius b and a spool of radius R . Its moment of inertia about the center can be taken to be I=(1/2)mR2 and the thickness of the string can be neglected. The Yo-Yo is released from rest. You will need to assume ...

Physics
it didn't work :(

Physics
TURNTABLE SOLUTIONS A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an angular speed ω= 400 rad⋅s-1 as shown in the figure below. The gyroscope precesses, with its axle at an angle 30∘ below the ...

water treatment
A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via pre-denitrification. The influent flow (dwf) is 30,000 m3/day and the influent BOD concentration is 300 mg BOD/l. The suspended solid concentration in the influent is 150 ...

water treatment
A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via pre-denitrification. The influent flow (dwf) is 30,000 m3/day and the influent BOD concentration is 300 mg BOD/l. The suspended solid concentration in the influent is 150 ...